[INFO] fetching crate rectangle-pack 0.1.5...
[INFO] checking rectangle-pack-0.1.5 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate rectangle-pack 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rectangle-pack 0.1.5 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rectangle-pack 0.1.5
[INFO] finished tweaking crates.io crate rectangle-pack 0.1.5
[INFO] tweaked toml for crates.io crate rectangle-pack 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab2ef821ce35e2cb8e41f95b61a4a7b53c74a523f6a98ec10575acab4f6f3d3d
[INFO] running `"docker" "start" "-a" "ab2ef821ce35e2cb8e41f95b61a4a7b53c74a523f6a98ec10575acab4f6f3d3d"`
[INFO] [stderr]     Checking rectangle-pack v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         'bin: for (bin_id, bin) in target_bins.iter_mut() {
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         'bin: for (bin_id, bin) in target_bins.iter_mut() {
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bin_clone`
[INFO] [stderr]    --> src/lib.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let mut bin_clone = bin.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bin_clone`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `placement`
[INFO] [stderr]    --> src/lib.rs:228:18
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let (placement, mut new_sections) = placement.unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_placement`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let mut bin_clone = bin.clone();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bin_clone`
[INFO] [stderr]    --> src/lib.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let mut bin_clone = bin.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bin_clone`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `placement`
[INFO] [stderr]    --> src/lib.rs:228:18
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let (placement, mut new_sections) = placement.unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_placement`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 let mut bin_clone = bin.clone();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "ab2ef821ce35e2cb8e41f95b61a4a7b53c74a523f6a98ec10575acab4f6f3d3d"`
[INFO] running `"docker" "rm" "-f" "ab2ef821ce35e2cb8e41f95b61a4a7b53c74a523f6a98ec10575acab4f6f3d3d"`
[INFO] [stdout] ab2ef821ce35e2cb8e41f95b61a4a7b53c74a523f6a98ec10575acab4f6f3d3d