[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 master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2teez%2Farraylist" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2teez/arraylist on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00fd8ecd52f938c49ddf61db97b2d639c7240ce49bd71f79e340fa6db8f0897
[INFO] running `Command { std: "docker" "start" "-a" "f00fd8ecd52f938c49ddf61db97b2d639c7240ce49bd71f79e340fa6db8f0897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00fd8ecd52f938c49ddf61db97b2d639c7240ce49bd71f79e340fa6db8f0897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00fd8ecd52f938c49ddf61db97b2d639c7240ce49bd71f79e340fa6db8f0897", kill_on_drop: false }`
[INFO] [stdout] f00fd8ecd52f938c49ddf61db97b2d639c7240ce49bd71f79e340fa6db8f0897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9374e8543af97af9ef14eb5118603be1a30bacfe37dabb70bde63bf45fd90665
[INFO] running `Command { std: "docker" "start" "-a" "9374e8543af97af9ef14eb5118603be1a30bacfe37dabb70bde63bf45fd90665", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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]    |                            ^^^^ expected `char`, found `&char`
[INFO] [stdout]    |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 76 -     assert_eq!(al.contains(&'a'), true);
[INFO] [stdout] 76 +     assert_eq!(al.contains('a'), true);
[INFO] [stdout]    | 
[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]     |                            ^^ expected integer, found `&{integer}`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 118 -     assert_eq!(al.index_of(&0), Some(3));
[INFO] [stdout] 118 +     assert_eq!(al.index_of(0), Some(3));
[INFO] [stdout]     | 
[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9374e8543af97af9ef14eb5118603be1a30bacfe37dabb70bde63bf45fd90665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9374e8543af97af9ef14eb5118603be1a30bacfe37dabb70bde63bf45fd90665", kill_on_drop: false }`
[INFO] [stdout] 9374e8543af97af9ef14eb5118603be1a30bacfe37dabb70bde63bf45fd90665