[INFO] fetching crate pack_it_up 1.1.0...
[INFO] building pack_it_up-1.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate pack_it_up 1.1.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pack_it_up 1.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 185b63d22fa2574f98f90c1841285c4e4d7c16240c93bd72e153cd62e7477f5c
[INFO] running `Command { std: "docker" "start" "-a" "185b63d22fa2574f98f90c1841285c4e4d7c16240c93bd72e153cd62e7477f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "185b63d22fa2574f98f90c1841285c4e4d7c16240c93bd72e153cd62e7477f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185b63d22fa2574f98f90c1841285c4e4d7c16240c93bd72e153cd62e7477f5c", kill_on_drop: false }`
[INFO] [stdout] 185b63d22fa2574f98f90c1841285c4e4d7c16240c93bd72e153cd62e7477f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35195c08463e5833d0739c524aee3326828dac240056995c19800c5ce3748a11
[INFO] running `Command { std: "docker" "start" "-a" "35195c08463e5833d0739c524aee3326828dac240056995c19800c5ce3748a11", 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 0.13s
[INFO] running `Command { std: "docker" "inspect" "35195c08463e5833d0739c524aee3326828dac240056995c19800c5ce3748a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35195c08463e5833d0739c524aee3326828dac240056995c19800c5ce3748a11", kill_on_drop: false }`
[INFO] [stdout] 35195c08463e5833d0739c524aee3326828dac240056995c19800c5ce3748a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c36f0205152c062b4a21d8b9bf47d3bb5a5eb400f9c2a5ede3564de9e4ff4cf6
[INFO] running `Command { std: "docker" "start" "-a" "c36f0205152c062b4a21d8b9bf47d3bb5a5eb400f9c2a5ede3564de9e4ff4cf6", 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "c36f0205152c062b4a21d8b9bf47d3bb5a5eb400f9c2a5ede3564de9e4ff4cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36f0205152c062b4a21d8b9bf47d3bb5a5eb400f9c2a5ede3564de9e4ff4cf6", kill_on_drop: false }`
[INFO] [stdout] c36f0205152c062b4a21d8b9bf47d3bb5a5eb400f9c2a5ede3564de9e4ff4cf6