[INFO] cloning repository https://github.com/2teez/arraylist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2teez/arraylist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2teez%2Farraylist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2teez%2Farraylist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 219016cd6552f57a22559fb2253ff92046a041b6
[INFO] testing 2teez/arraylist against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2teez%2Farraylist" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2teez/arraylist on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2teez/arraylist
[INFO] finished tweaking git repo https://github.com/2teez/arraylist
[INFO] tweaked toml for git repo https://github.com/2teez/arraylist written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/2teez/arraylist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e64946f9591ef198216137e630005a56d739da1fb81629dfed4cf4f05fdaba7b
[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" "e64946f9591ef198216137e630005a56d739da1fb81629dfed4cf4f05fdaba7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64946f9591ef198216137e630005a56d739da1fb81629dfed4cf4f05fdaba7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64946f9591ef198216137e630005a56d739da1fb81629dfed4cf4f05fdaba7b", kill_on_drop: false }`
[INFO] [stdout] e64946f9591ef198216137e630005a56d739da1fb81629dfed4cf4f05fdaba7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc640375b139e190a4a023342aff9e48728fff2c5ca35501554b7e8bf098085
[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" "bdc640375b139e190a4a023342aff9e48728fff2c5ca35501554b7e8bf098085", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arraylist v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bdc640375b139e190a4a023342aff9e48728fff2c5ca35501554b7e8bf098085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc640375b139e190a4a023342aff9e48728fff2c5ca35501554b7e8bf098085", kill_on_drop: false }`
[INFO] [stdout] bdc640375b139e190a4a023342aff9e48728fff2c5ca35501554b7e8bf098085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] b20315b58e10eae9ace6c3106cd05e70ad0eead26ee7490d4600d62e722ccb45
[INFO] running `Command { std: "docker" "start" "-a" "b20315b58e10eae9ace6c3106cd05e70ad0eead26ee7490d4600d62e722ccb45", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraylist v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/arl/tests.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 |     assert_eq!(al.contains(&'a'), true);
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            expected `char`, found `&char`
[INFO] [stdout]    |                            help: consider removing the borrow: `'a'`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/arl/tests.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     assert_eq!(al.index_of(&0), Some(3));
[INFO] [stdout]     |                            ^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected integer, found `&{integer}`
[INFO] [stdout]     |                            help: consider removing the borrow: `0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arraylist`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b20315b58e10eae9ace6c3106cd05e70ad0eead26ee7490d4600d62e722ccb45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20315b58e10eae9ace6c3106cd05e70ad0eead26ee7490d4600d62e722ccb45", kill_on_drop: false }`
[INFO] [stdout] b20315b58e10eae9ace6c3106cd05e70ad0eead26ee7490d4600d62e722ccb45