[INFO] fetching crate pack_it_up 1.1.0...
[INFO] building pack_it_up-1.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate pack_it_up 1.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pack_it_up 1.1.0
[INFO] finished tweaking crates.io crate pack_it_up 1.1.0
[INFO] tweaked toml for crates.io crate pack_it_up 1.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pack_it_up 1.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aacabf3704fc72e3194c266b2fd4e608b46133e90d8a2eb2ae66c43bc9cafcf
[INFO] running `Command { std: "docker" "start" "-a" "6aacabf3704fc72e3194c266b2fd4e608b46133e90d8a2eb2ae66c43bc9cafcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aacabf3704fc72e3194c266b2fd4e608b46133e90d8a2eb2ae66c43bc9cafcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aacabf3704fc72e3194c266b2fd4e608b46133e90d8a2eb2ae66c43bc9cafcf", kill_on_drop: false }`
[INFO] [stdout] 6aacabf3704fc72e3194c266b2fd4e608b46133e90d8a2eb2ae66c43bc9cafcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97675132e5f28ca4a0cfe4bd211008173e5a72413315095957bca4a404d268a8
[INFO] running `Command { std: "docker" "start" "-a" "97675132e5f28ca4a0cfe4bd211008173e5a72413315095957bca4a404d268a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pack_it_up v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "97675132e5f28ca4a0cfe4bd211008173e5a72413315095957bca4a404d268a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97675132e5f28ca4a0cfe4bd211008173e5a72413315095957bca4a404d268a8", kill_on_drop: false }`
[INFO] [stdout] 97675132e5f28ca4a0cfe4bd211008173e5a72413315095957bca4a404d268a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf446ef360d8fa44033df9e304b5bebb96bc580af1bb5f665576f2ea809c9dc
[INFO] running `Command { std: "docker" "start" "-a" "7bf446ef360d8fa44033df9e304b5bebb96bc580af1bb5f665576f2ea809c9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pack_it_up v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/online/next_k_fit.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let mut bins = packer.pack_all(test_data.into_iter()).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "7bf446ef360d8fa44033df9e304b5bebb96bc580af1bb5f665576f2ea809c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf446ef360d8fa44033df9e304b5bebb96bc580af1bb5f665576f2ea809c9dc", kill_on_drop: false }`
[INFO] [stdout] 7bf446ef360d8fa44033df9e304b5bebb96bc580af1bb5f665576f2ea809c9dc