[INFO] cloning repository https://github.com/equal-l2/slice-n-shuffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/equal-l2/slice-n-shuffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fslice-n-shuffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fslice-n-shuffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c8e4c758e525595b82bc2912f72128157682a6c
[INFO] checking equal-l2/slice-n-shuffle against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fslice-n-shuffle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/equal-l2/slice-n-shuffle on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/equal-l2/slice-n-shuffle
[INFO] finished tweaking git repo https://github.com/equal-l2/slice-n-shuffle
[INFO] tweaked toml for git repo https://github.com/equal-l2/slice-n-shuffle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/equal-l2/slice-n-shuffle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdcfdbff5f282be3f8e74b90570bf58163e7107f003989ed5e03e83acbf5b595
[INFO] running `Command { std: "docker" "start" "-a" "cdcfdbff5f282be3f8e74b90570bf58163e7107f003989ed5e03e83acbf5b595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdcfdbff5f282be3f8e74b90570bf58163e7107f003989ed5e03e83acbf5b595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcfdbff5f282be3f8e74b90570bf58163e7107f003989ed5e03e83acbf5b595", kill_on_drop: false }`
[INFO] [stdout] cdcfdbff5f282be3f8e74b90570bf58163e7107f003989ed5e03e83acbf5b595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcd1f4f1f79507a5a9fb488986a9409e7ce1121c5e32ecb1ff099e0ab02a34f
[INFO] running `Command { std: "docker" "start" "-a" "4bcd1f4f1f79507a5a9fb488986a9409e7ce1121c5e32ecb1ff099e0ab02a34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking utf8parse v0.2.2
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[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
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[INFO] [stderr]    Compiling libc v0.2.158
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[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking crc32fast v1.4.2
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking clap v4.5.17
[INFO] [stderr]     Checking slice-n-shuffle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Up` and `Left` are never constructed
[INFO] [stdout]  --> src/similarity.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) enum Direction {
[INFO] [stdout]   |                 --------- variants in this enum
[INFO] [stdout] 4 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     Down,
[INFO] [stdout] 6 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up` and `Left` are never constructed
[INFO] [stdout]  --> src/similarity.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) enum Direction {
[INFO] [stdout]   |                 --------- variants in this enum
[INFO] [stdout] 4 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     Down,
[INFO] [stdout] 6 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "4bcd1f4f1f79507a5a9fb488986a9409e7ce1121c5e32ecb1ff099e0ab02a34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcd1f4f1f79507a5a9fb488986a9409e7ce1121c5e32ecb1ff099e0ab02a34f", kill_on_drop: false }`
[INFO] [stdout] 4bcd1f4f1f79507a5a9fb488986a9409e7ce1121c5e32ecb1ff099e0ab02a34f