[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] checking 2teez/arraylist against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2teez%2Farraylist" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2teez/arraylist on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-6/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72201ff0f3d98e5c1c21e5e4ffaf264e567bed338c2e9d436a1bae7ef9bb7d38
[INFO] running `Command { std: "docker" "start" "-a" "72201ff0f3d98e5c1c21e5e4ffaf264e567bed338c2e9d436a1bae7ef9bb7d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72201ff0f3d98e5c1c21e5e4ffaf264e567bed338c2e9d436a1bae7ef9bb7d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72201ff0f3d98e5c1c21e5e4ffaf264e567bed338c2e9d436a1bae7ef9bb7d38", kill_on_drop: false }`
[INFO] [stdout] 72201ff0f3d98e5c1c21e5e4ffaf264e567bed338c2e9d436a1bae7ef9bb7d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de34c09e4d7d4b338b93d5d58653e59bba87a51af87afe3c2001c5031543bc2a
[INFO] running `Command { std: "docker" "start" "-a" "de34c09e4d7d4b338b93d5d58653e59bba87a51af87afe3c2001c5031543bc2a", kill_on_drop: false }`
[INFO] [stderr]     Checking arraylist v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `arraylist`
[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] [stderr] 
[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] [stderr] To learn more, run the command again with --verbose.
[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] running `Command { std: "docker" "inspect" "de34c09e4d7d4b338b93d5d58653e59bba87a51af87afe3c2001c5031543bc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de34c09e4d7d4b338b93d5d58653e59bba87a51af87afe3c2001c5031543bc2a", kill_on_drop: false }`
[INFO] [stdout] de34c09e4d7d4b338b93d5d58653e59bba87a51af87afe3c2001c5031543bc2a