[INFO] crate grmr 0.2.0 is already in cache
[INFO] testing grmr-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate grmr 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate grmr 0.2.0 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] started tweaking crates.io crate grmr 0.2.0
[INFO] finished tweaking crates.io crate grmr 0.2.0
[INFO] tweaked toml for crates.io crate grmr 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 622e76856a256d646753dba4ebaa69dabaea9e6850158779187b3c13a058e728
[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" "622e76856a256d646753dba4ebaa69dabaea9e6850158779187b3c13a058e728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622e76856a256d646753dba4ebaa69dabaea9e6850158779187b3c13a058e728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622e76856a256d646753dba4ebaa69dabaea9e6850158779187b3c13a058e728", kill_on_drop: false }`
[INFO] [stdout] 622e76856a256d646753dba4ebaa69dabaea9e6850158779187b3c13a058e728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1cc5fe92d304918f08cdb1658eed34153791d7dee2566cf89ea8afb679e6e4fa
[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" "1cc5fe92d304918f08cdb1658eed34153791d7dee2566cf89ea8afb679e6e4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling grmr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stdout]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "1cc5fe92d304918f08cdb1658eed34153791d7dee2566cf89ea8afb679e6e4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc5fe92d304918f08cdb1658eed34153791d7dee2566cf89ea8afb679e6e4fa", kill_on_drop: false }`
[INFO] [stdout] 1cc5fe92d304918f08cdb1658eed34153791d7dee2566cf89ea8afb679e6e4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] fb63e2a5f4ec2f259d1e08e1cc437175cc7254e190e64b8569023ba0d7220c5e
[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" "fb63e2a5f4ec2f259d1e08e1cc437175cc7254e190e64b8569023ba0d7220c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling grmr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stdout]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "fb63e2a5f4ec2f259d1e08e1cc437175cc7254e190e64b8569023ba0d7220c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb63e2a5f4ec2f259d1e08e1cc437175cc7254e190e64b8569023ba0d7220c5e", kill_on_drop: false }`
[INFO] [stdout] fb63e2a5f4ec2f259d1e08e1cc437175cc7254e190e64b8569023ba0d7220c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1c586e6bfe3a4ecd302c9650de4c7c54fcdc2c78ba9249b31f995e2f5ae655c5
[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" "1c586e6bfe3a4ecd302c9650de4c7c54fcdc2c78ba9249b31f995e2f5ae655c5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test checkers::dups::tests::simple_word_annotation ... ok
[INFO] [stdout] test checkers::dups::tests::word_annotation_empty_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/checkers/checker.rs:65:40
[INFO] [stderr]    |
[INFO] [stderr] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Checker`
[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/checkers/checker.rs:70:52
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[INFO] [stderr]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Checker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grmr-db7339c63acbb75a
[INFO] running `Command { std: "docker" "inspect" "1c586e6bfe3a4ecd302c9650de4c7c54fcdc2c78ba9249b31f995e2f5ae655c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c586e6bfe3a4ecd302c9650de4c7c54fcdc2c78ba9249b31f995e2f5ae655c5", kill_on_drop: false }`
[INFO] [stdout] 1c586e6bfe3a4ecd302c9650de4c7c54fcdc2c78ba9249b31f995e2f5ae655c5