[INFO] cloning repository https://github.com/helios-lang/helios-fmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helios-lang/helios-fmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelios-lang%2Fhelios-fmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelios-lang%2Fhelios-fmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d54177a52261493238ba31c61ca9876802eb3d8
[INFO] checking helios-lang/helios-fmt against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelios-lang%2Fhelios-fmt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/helios-lang/helios-fmt on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/helios-lang/helios-fmt
[INFO] finished tweaking git repo https://github.com/helios-lang/helios-fmt
[INFO] tweaked toml for git repo https://github.com/helios-lang/helios-fmt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/helios-lang/helios-fmt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e45ad51402b1645e2028f48fc72d6667d016db1fb754f43c2bda605c2fddc8a
[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" "2e45ad51402b1645e2028f48fc72d6667d016db1fb754f43c2bda605c2fddc8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e45ad51402b1645e2028f48fc72d6667d016db1fb754f43c2bda605c2fddc8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e45ad51402b1645e2028f48fc72d6667d016db1fb754f43c2bda605c2fddc8a", kill_on_drop: false }`
[INFO] [stdout] 2e45ad51402b1645e2028f48fc72d6667d016db1fb754f43c2bda605c2fddc8a
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa65c421e303dda87622ce52bf22d5754513043d95ea2fc263f34ef71e9dc5f
[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" "1fa65c421e303dda87622ce52bf22d5754513043d95ea2fc263f34ef71e9dc5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking smawk v0.3.0
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking textwrap v0.13.2
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]     Checking helios-formatting v0.2.0 (https://github.com/helios-lang/helios?branch=develop#30a50d00)
[INFO] [stderr]     Checking helios-diagnostics v0.2.0 (https://github.com/helios-lang/helios?branch=develop#30a50d00)
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking helios-syntax v0.2.0 (https://github.com/helios-lang/helios?branch=develop#30a50d00)
[INFO] [stderr]     Checking helios-parser v0.2.0 (https://github.com/helios-lang/helios?branch=develop#30a50d00)
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking helios-fmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "1fa65c421e303dda87622ce52bf22d5754513043d95ea2fc263f34ef71e9dc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa65c421e303dda87622ce52bf22d5754513043d95ea2fc263f34ef71e9dc5f", kill_on_drop: false }`
[INFO] [stdout] 1fa65c421e303dda87622ce52bf22d5754513043d95ea2fc263f34ef71e9dc5f