[INFO] cloning repository https://github.com/jalextowle/linearize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jalextowle/linearize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalextowle%2Flinearize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalextowle%2Flinearize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f43ee3d52e23b199f97cfefe56772b0491b7cf2
[INFO] checking jalextowle/linearize against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalextowle%2Flinearize" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalextowle/linearize 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/jalextowle/linearize
[INFO] finished tweaking git repo https://github.com/jalextowle/linearize
[INFO] tweaked toml for git repo https://github.com/jalextowle/linearize written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/jalextowle/linearize 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] [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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 2b5bfcde00c36bda9f35864a3c2f191b4de4d2d1eff065c57ca8cc794fb50f74
[INFO] running `Command { std: "docker" "start" "-a" "2b5bfcde00c36bda9f35864a3c2f191b4de4d2d1eff065c57ca8cc794fb50f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5bfcde00c36bda9f35864a3c2f191b4de4d2d1eff065c57ca8cc794fb50f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5bfcde00c36bda9f35864a3c2f191b4de4d2d1eff065c57ca8cc794fb50f74", kill_on_drop: false }`
[INFO] [stdout] 2b5bfcde00c36bda9f35864a3c2f191b4de4d2d1eff065c57ca8cc794fb50f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] 0c946893fc4fe785c86070548a47360bd962af7ce8a78dfb994e395008fa95fb
[INFO] running `Command { std: "docker" "start" "-a" "0c946893fc4fe785c86070548a47360bd962af7ce8a78dfb994e395008fa95fb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking linearizer v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lex.rs (2 fixes)
[INFO] [stderr]        Fixed src/linearize.rs (5 fixes)
[INFO] [stdout] warning: function is never used: `linearize`
[INFO] [stdout]   --> src/linearize.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn linearize(front: u32, mut list: Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge`
[INFO] [stdout]   --> src/linearize.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn merge(_list: &Vec<u32>) -> Vec<u32> { vec![] }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linearize`
[INFO] [stdout]   --> src/linearize.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn linearize(front: u32, mut list: Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge`
[INFO] [stdout]   --> src/linearize.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn merge(_list: &Vec<u32>) -> Vec<u32> { vec![] }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/lex_tests.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (3 fixes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking linearizer v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `linearize`
[INFO] [stdout]   --> src/linearize.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn linearize(front: u32, mut list: Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge`
[INFO] [stdout]   --> src/linearize.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn merge(_list: &Vec<u32>) -> Vec<u32> { vec![] }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linearize`
[INFO] [stdout]   --> src/linearize.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn linearize(front: u32, mut list: Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge`
[INFO] [stdout]   --> src/linearize.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn merge(_list: &Vec<u32>) -> Vec<u32> { vec![] }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "0c946893fc4fe785c86070548a47360bd962af7ce8a78dfb994e395008fa95fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c946893fc4fe785c86070548a47360bd962af7ce8a78dfb994e395008fa95fb", kill_on_drop: false }`
[INFO] [stdout] 0c946893fc4fe785c86070548a47360bd962af7ce8a78dfb994e395008fa95fb