[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[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 a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21b1068326a3619fb2d740ef93c81ff530c5011edffede43fa44374ca027eeb0
[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" "21b1068326a3619fb2d740ef93c81ff530c5011edffede43fa44374ca027eeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b1068326a3619fb2d740ef93c81ff530c5011edffede43fa44374ca027eeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b1068326a3619fb2d740ef93c81ff530c5011edffede43fa44374ca027eeb0", kill_on_drop: false }`
[INFO] [stdout] 21b1068326a3619fb2d740ef93c81ff530c5011edffede43fa44374ca027eeb0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--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] 7b0afeb5cbf556a4c5d4931edafa7b30f6346b49139f2f63381175c9b10a0f57
[INFO] running `Command { std: "docker" "start" "-a" "7b0afeb5cbf556a4c5d4931edafa7b30f6346b49139f2f63381175c9b10a0f57", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking arraylist v0.1.5 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7b0afeb5cbf556a4c5d4931edafa7b30f6346b49139f2f63381175c9b10a0f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0afeb5cbf556a4c5d4931edafa7b30f6346b49139f2f63381175c9b10a0f57", kill_on_drop: false }`
[INFO] [stdout] 7b0afeb5cbf556a4c5d4931edafa7b30f6346b49139f2f63381175c9b10a0f57