[INFO] cloning repository https://github.com/totem3/rem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/totem3/rem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Frem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Frem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 366c9e150d71dca9890d69b125efa7669bce53af
[INFO] testing totem3/rem against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Frem" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem3/rem on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/totem3/rem
[INFO] finished tweaking git repo https://github.com/totem3/rem
[INFO] tweaked toml for git repo https://github.com/totem3/rem written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/totem3/rem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c668d3ceaa64026919971521bff38112c28a3df186dbe1a1185eecc8c5e2e948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c668d3ceaa64026919971521bff38112c28a3df186dbe1a1185eecc8c5e2e948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c668d3ceaa64026919971521bff38112c28a3df186dbe1a1185eecc8c5e2e948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c668d3ceaa64026919971521bff38112c28a3df186dbe1a1185eecc8c5e2e948", kill_on_drop: false }`
[INFO] [stdout] c668d3ceaa64026919971521bff38112c28a3df186dbe1a1185eecc8c5e2e948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75fbdf1629372e5f6625c84f1a2c4446ae5e37e27b79a678559acaf8a01bc466
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75fbdf1629372e5f6625c84f1a2c4446ae5e37e27b79a678559acaf8a01bc466", kill_on_drop: false }`
[INFO] [stderr]    Compiling rem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut vec: Vec<Box<Instruction>> = Vec::new();
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(instructions: Vec<Box<Instruction>>, labels: HashMap<String, usize>) -> Self {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ss: Vec<&str> = s.trim_right().split_whitespace().collect();
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:75:70
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:79:70
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:92:70
[INFO] [stdout]    |
[INFO] [stdout] 92 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:100:70
[INFO] [stdout]     |
[INFO] [stdout] 100 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:108:70
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:121:70
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:129:70
[INFO] [stdout]     |
[INFO] [stdout] 129 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:137:70
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:150:70
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:158:70
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:166:70
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:179:70
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:187:70
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:195:70
[INFO] [stdout]     |
[INFO] [stdout] 195 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:209:70
[INFO] [stdout]     |
[INFO] [stdout] 209 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "75fbdf1629372e5f6625c84f1a2c4446ae5e37e27b79a678559acaf8a01bc466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fbdf1629372e5f6625c84f1a2c4446ae5e37e27b79a678559acaf8a01bc466", kill_on_drop: false }`
[INFO] [stdout] 75fbdf1629372e5f6625c84f1a2c4446ae5e37e27b79a678559acaf8a01bc466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63ad90167a07914fe9ddd56b3055553a99c295aaa279db19aca823e57f57e788
[INFO] running `Command { std: "docker" "start" "-a" "63ad90167a07914fe9ddd56b3055553a99c295aaa279db19aca823e57f57e788", kill_on_drop: false }`
[INFO] [stderr]    Compiling rem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut vec: Vec<Box<Instruction>> = Vec::new();
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(instructions: Vec<Box<Instruction>>, labels: HashMap<String, usize>) -> Self {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ss: Vec<&str> = s.trim_right().split_whitespace().collect();
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:75:70
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:79:70
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:92:70
[INFO] [stdout]    |
[INFO] [stdout] 92 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:100:70
[INFO] [stdout]     |
[INFO] [stdout] 100 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:108:70
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:121:70
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:129:70
[INFO] [stdout]     |
[INFO] [stdout] 129 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:137:70
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:150:70
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:158:70
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:166:70
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:179:70
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:187:70
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:195:70
[INFO] [stdout]     |
[INFO] [stdout] 195 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:209:70
[INFO] [stdout]     |
[INFO] [stdout] 209 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut vec: Vec<Box<Instruction>> = Vec::new();
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compiler_info.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(instructions: Vec<Box<Instruction>>, labels: HashMap<String, usize>) -> Self {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let ss: Vec<&str> = s.trim_right().split_whitespace().collect();
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:75:70
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:79:70
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:92:70
[INFO] [stdout]    |
[INFO] [stdout] 92 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:100:70
[INFO] [stdout]     |
[INFO] [stdout] 100 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:108:70
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:121:70
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:129:70
[INFO] [stdout]     |
[INFO] [stdout] 129 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:137:70
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:150:70
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:158:70
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:166:70
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:179:70
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:187:70
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:195:70
[INFO] [stdout]     |
[INFO] [stdout] 195 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:209:70
[INFO] [stdout]     |
[INFO] [stdout] 209 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "63ad90167a07914fe9ddd56b3055553a99c295aaa279db19aca823e57f57e788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ad90167a07914fe9ddd56b3055553a99c295aaa279db19aca823e57f57e788", kill_on_drop: false }`
[INFO] [stdout] 63ad90167a07914fe9ddd56b3055553a99c295aaa279db19aca823e57f57e788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bb88e091e974053e41f566ce4aa0f9f3b122c09d183524918319ebbf8a94509
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bb88e091e974053e41f566ce4aa0f9f3b122c09d183524918319ebbf8a94509", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut vec: Vec<Box<Instruction>> = Vec::new();
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/compiler_info.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stderr]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/compiler_info.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(instructions: Vec<Box<Instruction>>, labels: HashMap<String, usize>) -> Self {
[INFO] [stderr]   |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser.rs:54:35
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let ss: Vec<&str> = s.trim_right().split_whitespace().collect();
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut vec: Vec<Box<Instruction>> = Vec::new();
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:75:70
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/compiler_info.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub instructions: Vec<Box<Instruction>>,
[INFO] [stderr]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:79:70
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/compiler_info.rs:9:38
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(instructions: Vec<Box<Instruction>>, labels: HashMap<String, usize>) -> Self {
[INFO] [stderr]   |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:92:70
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:100:70
[INFO] [stderr]     |
[INFO] [stderr] 100 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser.rs:54:35
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let ss: Vec<&str> = s.trim_right().split_whitespace().collect();
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:108:70
[INFO] [stderr]     |
[INFO] [stderr] 108 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:121:70
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:75:70
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:129:70
[INFO] [stderr]     |
[INFO] [stderr] 129 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:79:70
[INFO] [stderr]    |
[INFO] [stderr] 79 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:137:70
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:150:70
[INFO] [stderr]     |
[INFO] [stderr] 150 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:92:70
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:158:70
[INFO] [stderr]     |
[INFO] [stderr] 158 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:100:70
[INFO] [stderr]     |
[INFO] [stderr] 100 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:166:70
[INFO] [stderr]     |
[INFO] [stderr] 166 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:108:70
[INFO] [stderr]     |
[INFO] [stderr] 108 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:179:70
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:121:70
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:187:70
[INFO] [stderr]     |
[INFO] [stderr] 187 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:129:70
[INFO] [stderr]     |
[INFO] [stderr] 129 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:195:70
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:209:70
[INFO] [stderr]     |
[INFO] [stderr] 209 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:137:70
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:223:70
[INFO] [stderr]     |
[INFO] [stderr] 223 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:150:70
[INFO] [stderr]     |
[INFO] [stderr] 150 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:158:70
[INFO] [stderr]     |
[INFO] [stderr] 158 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:166:70
[INFO] [stderr]     |
[INFO] [stderr] 166 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:179:70
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:187:70
[INFO] [stderr]     |
[INFO] [stderr] 187 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:195:70
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:209:70
[INFO] [stderr]     |
[INFO] [stderr] 209 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser.rs:223:70
[INFO] [stderr]     |
[INFO] [stderr] 223 |                         Err(e) => return Err(ParseError::new(lnum, e.description())),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rem-f413a1541eb6fb11
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rem-7200d4fd87b8c8a9
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arith-a4ebf95b442a59a1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass '--test arith'
[INFO] [stdout] test add ... FAILED
[INFO] [stdout] test arith ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- add stdout ----
[INFO] [stdout] thread 'add' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `""`,
[INFO] [stdout]  right: `"12\n15\n27\n"`', tests/arith.rs:25:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f06dfff845 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f06dfff845 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f06dfff845 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f06dfff845 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f06e0274bc - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f06dfb43b5 - std::io::Write::write_fmt::hd8ff364c7845d2d0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55f06dff9f11 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h1c057ef6e8762996
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f06e001f20 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f06e001f20 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f06e001f20 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f06e001c1a - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f06e002563 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f06e00215b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f06e0020cb - std::panicking::begin_panic_fmt::h2ff295231415d4a6
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f06dfb1f96 - arith::add::h9f35d7d2177b6407
[INFO] [stdout]                                at tests/arith.rs:25
[INFO] [stdout]   15:     0x55f06dfb1c9a - arith::add::{{closure}}::h5493c29db69528a4
[INFO] [stdout]                                at tests/arith.rs:18
[INFO] [stdout]   16:     0x55f06dfae6ce - core::ops::function::FnOnce::call_once::h9a8d696ae2f0109e
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f06dfdb92c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42148c33ed88c979
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f06dfdb92c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f06dfdb92c - std::panicking::try::do_call::h676ad1fc9e9badea
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f06dfdb92c - std::panicking::try::hee36a8727a3050b0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f06dfdb92c - std::panic::catch_unwind::hd5d426ebd89b2542
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f06dfdb92c - test::run_test_in_process::h8dacdba4dc4cbaa5
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f06dfdb92c - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f06dfb38a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f06dfb8935 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f06dfb8935 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f06dfb8935 - std::panicking::try::do_call::hec0b4d2faa46fbf7
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f06dfb8935 - std::panicking::try::h0144ba3f2539803d
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f06dfb8935 - std::panic::catch_unwind::ha03e59eb589f857b
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f06dfb8935 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f06dfb8935 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f06e0087ba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h61c24496ae624ac5
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f06e0087ba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h89548957afa14049
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f06e0087ba - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7f227bd43609 - start_thread
[INFO] [stdout]   36:     0x7f227bc4f103 - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- arith stdout ----
[INFO] [stdout] thread 'arith' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `""`,
[INFO] [stdout]  right: `"12\n5\n10\n2\n9\n"`', tests/arith.rs:14:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f06dfff845 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55f06dfff845 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55f06dfff845 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55f06dfff845 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55f06e0274bc - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55f06dfb43b5 - std::io::Write::write_fmt::hd8ff364c7845d2d0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55f06dff9f11 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h1c057ef6e8762996
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55f06e001f20 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55f06e001f20 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55f06e001f20 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55f06e001c1a - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55f06e002563 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55f06e00215b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55f06e0020cb - std::panicking::begin_panic_fmt::h2ff295231415d4a6
[INFO] [stdout]                                at src/libstd/panicking.rs:391
[INFO] [stdout]   14:     0x55f06dfb1c56 - arith::arith::h46a35f9cc2b91428
[INFO] [stdout]                                at tests/arith.rs:14
[INFO] [stdout]   15:     0x55f06dfb195a - arith::arith::{{closure}}::h383ee46fb28307d7
[INFO] [stdout]                                at tests/arith.rs:5
[INFO] [stdout]   16:     0x55f06dfae69e - core::ops::function::FnOnce::call_once::h73d992d13e806968
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   17:     0x55f06dfdb92c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42148c33ed88c979
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   18:     0x55f06dfdb92c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x55f06dfdb92c - std::panicking::try::do_call::h676ad1fc9e9badea
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   20:     0x55f06dfdb92c - std::panicking::try::hee36a8727a3050b0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   21:     0x55f06dfdb92c - std::panic::catch_unwind::hd5d426ebd89b2542
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x55f06dfdb92c - test::run_test_in_process::h8dacdba4dc4cbaa5
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x55f06dfdb92c - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x55f06dfb38a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x55f06dfb8935 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x55f06dfb8935 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x55f06dfb8935 - std::panicking::try::do_call::hec0b4d2faa46fbf7
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   28:     0x55f06dfb8935 - std::panicking::try::h0144ba3f2539803d
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   29:     0x55f06dfb8935 - std::panic::catch_unwind::ha03e59eb589f857b
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x55f06dfb8935 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x55f06dfb8935 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   32:     0x55f06e0087ba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h61c24496ae624ac5
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x55f06e0087ba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h89548957afa14049
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   34:     0x55f06e0087ba - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7f227bd43609 - start_thread
[INFO] [stdout]   36:     0x7f227bc4f103 - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     add
[INFO] [stdout]     arith
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bb88e091e974053e41f566ce4aa0f9f3b122c09d183524918319ebbf8a94509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb88e091e974053e41f566ce4aa0f9f3b122c09d183524918319ebbf8a94509", kill_on_drop: false }`
[INFO] [stdout] 9bb88e091e974053e41f566ce4aa0f9f3b122c09d183524918319ebbf8a94509