[INFO] fetching crate gf 0.4.0...
[INFO] checking gf-0.4.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate gf 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gf 0.4.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gf 0.4.0
[INFO] finished tweaking crates.io crate gf 0.4.0
[INFO] tweaked toml for crates.io crate gf 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b44647ed676cfd2de085034dfcac311c97c96d4c38daab79de4b12883b7a526
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b44647ed676cfd2de085034dfcac311c97c96d4c38daab79de4b12883b7a526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b44647ed676cfd2de085034dfcac311c97c96d4c38daab79de4b12883b7a526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b44647ed676cfd2de085034dfcac311c97c96d4c38daab79de4b12883b7a526", kill_on_drop: false }`
[INFO] [stdout] 1b44647ed676cfd2de085034dfcac311c97c96d4c38daab79de4b12883b7a526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a80d07a4e2997ea91016817fe2b37640977d048063f991c38d3c38aca5596d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a80d07a4e2997ea91016817fe2b37640977d048063f991c38d3c38aca5596d7", kill_on_drop: false }`
[INFO] [stderr]     Checking gf v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RemAssign`, `Rem`
[INFO] [stdout]  --> src/impls.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 |         DivAssign, Mul, MulAssign, Neg, Not, Rem, RemAssign, Sub, SubAssign,
[INFO] [stdout]   |                                              ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RemAssign`, `Rem`
[INFO] [stdout]  --> src/impls.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 |         DivAssign, Mul, MulAssign, Neg, Not, Rem, RemAssign, Sub, SubAssign,
[INFO] [stdout]   |                                              ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3a80d07a4e2997ea91016817fe2b37640977d048063f991c38d3c38aca5596d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a80d07a4e2997ea91016817fe2b37640977d048063f991c38d3c38aca5596d7", kill_on_drop: false }`
[INFO] [stdout] 3a80d07a4e2997ea91016817fe2b37640977d048063f991c38d3c38aca5596d7