[INFO] fetching crate gf 0.4.0...
[INFO] checking gf-0.4.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate gf 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gf 0.4.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca6a4062a6e561c3492cd80cd72b76759aa1f3daf1e9c4de3e7ec61b00285845
[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" "ca6a4062a6e561c3492cd80cd72b76759aa1f3daf1e9c4de3e7ec61b00285845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6a4062a6e561c3492cd80cd72b76759aa1f3daf1e9c4de3e7ec61b00285845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6a4062a6e561c3492cd80cd72b76759aa1f3daf1e9c4de3e7ec61b00285845", kill_on_drop: false }`
[INFO] [stdout] ca6a4062a6e561c3492cd80cd72b76759aa1f3daf1e9c4de3e7ec61b00285845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b267ffb58d0c00339d66e9afb81e6663a542ef5f20a0858204c400c8ecfde38
[INFO] running `Command { std: "docker" "start" "-a" "2b267ffb58d0c00339d66e9afb81e6663a542ef5f20a0858204c400c8ecfde38", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "2b267ffb58d0c00339d66e9afb81e6663a542ef5f20a0858204c400c8ecfde38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b267ffb58d0c00339d66e9afb81e6663a542ef5f20a0858204c400c8ecfde38", kill_on_drop: false }`
[INFO] [stdout] 2b267ffb58d0c00339d66e9afb81e6663a542ef5f20a0858204c400c8ecfde38