[INFO] cloning repository https://github.com/themadprofessor/rbrainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themadprofessor/rbrainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ded37c7de0945ee38c6ca4b269c2f7f525a81abe
[INFO] testing themadprofessor/rbrainfuck against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemadprofessor%2Frbrainfuck" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/themadprofessor/rbrainfuck on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/themadprofessor/rbrainfuck
[INFO] finished tweaking git repo https://github.com/themadprofessor/rbrainfuck
[INFO] tweaked toml for git repo https://github.com/themadprofessor/rbrainfuck written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/themadprofessor/rbrainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db4aae84a02ade5c15ae5032d469a3dd0749aa29157ab4a682dbac1a666efd78
[INFO] running `Command { std: "docker" "start" "-a" "db4aae84a02ade5c15ae5032d469a3dd0749aa29157ab4a682dbac1a666efd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db4aae84a02ade5c15ae5032d469a3dd0749aa29157ab4a682dbac1a666efd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4aae84a02ade5c15ae5032d469a3dd0749aa29157ab4a682dbac1a666efd78", kill_on_drop: false }`
[INFO] [stdout] db4aae84a02ade5c15ae5032d469a3dd0749aa29157ab4a682dbac1a666efd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650fddd9e60c16e3a07ce51f6ecff9f4db5eb25ecc4fc63d7969dc540308e960
[INFO] running `Command { std: "docker" "start" "-a" "650fddd9e60c16e3a07ce51f6ecff9f4db5eb25ecc4fc63d7969dc540308e960", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling exit-code v1.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling nom v3.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling rbrainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nom`
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stdout]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stdout]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stdout]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stdout]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stdout]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stdout]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flatten`
[INFO] [stdout]   --> src/ast.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/machine.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn with_capacity(size: usize) -> Machine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "650fddd9e60c16e3a07ce51f6ecff9f4db5eb25ecc4fc63d7969dc540308e960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650fddd9e60c16e3a07ce51f6ecff9f4db5eb25ecc4fc63d7969dc540308e960", kill_on_drop: false }`
[INFO] [stdout] 650fddd9e60c16e3a07ce51f6ecff9f4db5eb25ecc4fc63d7969dc540308e960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98e280fe4e1b5cecc5ecdd032e8f44428bacb476bdd314149b6103292e8e56ed
[INFO] running `Command { std: "docker" "start" "-a" "98e280fe4e1b5cecc5ecdd032e8f44428bacb476bdd314149b6103292e8e56ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbrainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 42 |         assert_eq!("testdootdeet", string_build!("test", "doot", "deet"));
[INFO] [stdout]    |                                    ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 42 |         assert_eq!("testdootdeet", string_build!("test", "doot", "deet"));
[INFO] [stdout]    |                                    ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 47 |         b.iter(|| string_build!("asdf", "qwerdf", "asfdgh", "ghjk", "sasldkfs"));
[INFO] [stdout]    |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 47 |         b.iter(|| string_build!("asdf", "qwerdf", "asfdgh", "ghjk", "sasldkfs"));
[INFO] [stdout]    |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom`
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stdout]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stdout]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stdout]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stdout]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         $(len += $s.len();)+;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stdout]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/macros.rs:9:33
[INFO] [stdout]    |
[INFO] [stdout] 9  |         $(string.push_str($s);)+;
[INFO] [stdout]    |                                 ^ help: remove this semicolon
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/main.rs:39:36
[INFO] [stdout]    |
[INFO] [stdout] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stdout]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |     foreign_links {
[INFO] [stdout] 3  | |         IoError(::std::io::Error);
[INFO] [stdout] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flatten`
[INFO] [stdout]   --> src/ast.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/machine.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn with_capacity(size: usize) -> Machine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "98e280fe4e1b5cecc5ecdd032e8f44428bacb476bdd314149b6103292e8e56ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e280fe4e1b5cecc5ecdd032e8f44428bacb476bdd314149b6103292e8e56ed", kill_on_drop: false }`
[INFO] [stdout] 98e280fe4e1b5cecc5ecdd032e8f44428bacb476bdd314149b6103292e8e56ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 717d4c1285e28aaaa6892b343f4a0265fed021957069695226e8871b64e66650
[INFO] running `Command { std: "docker" "start" "-a" "717d4c1285e28aaaa6892b343f4a0265fed021957069695226e8871b64e66650", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:7:29
[INFO] [stderr]    |
[INFO] [stderr] 7  |         $(len += $s.len();)+;
[INFO] [stderr]    |                             ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 42 |         assert_eq!("testdootdeet", string_build!("test", "doot", "deet"));
[INFO] [stderr]    |                                    ------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:9:33
[INFO] [stderr]    |
[INFO] [stderr] 9  |         $(string.push_str($s);)+;
[INFO] [stderr]    |                                 ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 42 |         assert_eq!("testdootdeet", string_build!("test", "doot", "deet"));
[INFO] [stderr]    |                                    ------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:7:29
[INFO] [stderr]    |
[INFO] [stderr] 7  |         $(len += $s.len();)+;
[INFO] [stderr]    |                             ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 47 |         b.iter(|| string_build!("asdf", "qwerdf", "asfdgh", "ghjk", "sasldkfs"));
[INFO] [stderr]    |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:9:33
[INFO] [stderr]    |
[INFO] [stderr] 9  |         $(string.push_str($s);)+;
[INFO] [stderr]    |                                 ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 47 |         b.iter(|| string_build!("asdf", "qwerdf", "asfdgh", "ghjk", "sasldkfs"));
[INFO] [stderr]    |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom`
[INFO] [stderr]  --> src/ast.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nom;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:7:29
[INFO] [stderr]    |
[INFO] [stderr] 7  |         $(len += $s.len();)+;
[INFO] [stderr]    |                             ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:25:58
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stderr]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:9:33
[INFO] [stderr]    |
[INFO] [stderr] 9  |         $(string.push_str($s);)+;
[INFO] [stderr]    |                                 ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:25:58
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to open file! ", &err.to_string()))
[INFO] [stderr]    |                                                          -------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:7:29
[INFO] [stderr]    |
[INFO] [stderr] 7  |         $(len += $s.len();)+;
[INFO] [stderr]    |                             ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stderr]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:9:33
[INFO] [stderr]    |
[INFO] [stderr] 9  |         $(string.push_str($s);)+;
[INFO] [stderr]    |                                 ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Err(err) => exit(exit_code::DATA_ERROR, &string_build!("Failed to parse file! ", &err.to_string()))
[INFO] [stderr]    |                                                  --------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:7:29
[INFO] [stderr]    |
[INFO] [stderr] 7  |         $(len += $s.len();)+;
[INFO] [stderr]    |                             ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:39:36
[INFO] [stderr]    |
[INFO] [stderr] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stderr]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/macros.rs:9:33
[INFO] [stderr]    |
[INFO] [stderr] 9  |         $(string.push_str($s);)+;
[INFO] [stderr]    |                                 ^ help: remove this semicolon
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:39:36
[INFO] [stderr]    |
[INFO] [stderr] 39 |         exit(exit_code::IO_ERROR, &string_build!("Failed to read from stdin! ", &err.to_string()))
[INFO] [stderr]    |                                    -------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `string_build` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         IoError(::std::io::Error);
[INFO] [stderr] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         IoError(::std::io::Error);
[INFO] [stderr] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         IoError(::std::io::Error);
[INFO] [stderr] 4  | |         NomError(::nom::simple_errors::Err);
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `flatten`
[INFO] [stderr]   --> src/ast.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_capacity`
[INFO] [stderr]   --> src/machine.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbrainfuck-566dfa38d352c58d)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test machine::tests::empty ... ok
[INFO] [stdout] test machine::tests::move_left ... ok
[INFO] [stdout] test macros::tests::build_single ... ok
[INFO] [stdout] test macros::tests::is_one_fail_multi_char ... ok
[INFO] [stdout] test macros::tests::is_one_fail_single_char ... ok
[INFO] [stdout] test macros::tests::is_one_single_char ... ok
[INFO] [stdout] test macros::tests::string_build ... ok
[INFO] [stdout] test macros::tests::string_build_multi ... ok
[INFO] [stdout] test macros::tests::string_build_empty ... ok
[INFO] [stdout] test macros::tests::is_one_multi_char ... ok
[INFO] [stdout] test machine::tests::move_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "717d4c1285e28aaaa6892b343f4a0265fed021957069695226e8871b64e66650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717d4c1285e28aaaa6892b343f4a0265fed021957069695226e8871b64e66650", kill_on_drop: false }`
[INFO] [stdout] 717d4c1285e28aaaa6892b343f4a0265fed021957069695226e8871b64e66650