[INFO] fetching crate groupfiles 0.1.0...
[INFO] checking groupfiles-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate groupfiles 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate groupfiles 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate groupfiles 0.1.0
[INFO] finished tweaking crates.io crate groupfiles 0.1.0
[INFO] tweaked toml for crates.io crate groupfiles 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate groupfiles 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37efe0b5332198eca31ecbfe768e640314d7d585ea3bb2e40fcfff395ff6c8d4
[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" "37efe0b5332198eca31ecbfe768e640314d7d585ea3bb2e40fcfff395ff6c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37efe0b5332198eca31ecbfe768e640314d7d585ea3bb2e40fcfff395ff6c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37efe0b5332198eca31ecbfe768e640314d7d585ea3bb2e40fcfff395ff6c8d4", kill_on_drop: false }`
[INFO] [stdout] 37efe0b5332198eca31ecbfe768e640314d7d585ea3bb2e40fcfff395ff6c8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cfdff08ee49596f608bc02798233f0734d2feef675a3d89a3c5784ccc952525
[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" "3cfdff08ee49596f608bc02798233f0734d2feef675a3d89a3c5784ccc952525", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking groupfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `clamp` has been stable since 1.50.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(clamp)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "3cfdff08ee49596f608bc02798233f0734d2feef675a3d89a3c5784ccc952525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfdff08ee49596f608bc02798233f0734d2feef675a3d89a3c5784ccc952525", kill_on_drop: false }`
[INFO] [stdout] 3cfdff08ee49596f608bc02798233f0734d2feef675a3d89a3c5784ccc952525