[INFO] cloning repository https://github.com/ttaomae/rut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttaomae/rut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaomae%2Frut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaomae%2Frut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebcdf42983efef4811f0aacd11b402eb27efdac7
[INFO] checking ttaomae/rut against master#f1ce0e6a00593493a12e0e3662119786c761f375 for pr-92413
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaomae%2Frut" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttaomae/rut on toolchain f1ce0e6a00593493a12e0e3662119786c761f375
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ttaomae/rut
[INFO] finished tweaking git repo https://github.com/ttaomae/rut
[INFO] tweaked toml for git repo https://github.com/ttaomae/rut written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ttaomae/rut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--no-deps" "--format-version=1", 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] 6282d9bc4b26a331ec542cc082486dcdb64d4fa2cdacaf8f8b40adaf966413bb
[INFO] running `Command { std: "docker" "start" "-a" "6282d9bc4b26a331ec542cc082486dcdb64d4fa2cdacaf8f8b40adaf966413bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6282d9bc4b26a331ec542cc082486dcdb64d4fa2cdacaf8f8b40adaf966413bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6282d9bc4b26a331ec542cc082486dcdb64d4fa2cdacaf8f8b40adaf966413bb", kill_on_drop: false }`
[INFO] [stdout] 6282d9bc4b26a331ec542cc082486dcdb64d4fa2cdacaf8f8b40adaf966413bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b9f7490a14b930f132751a2dfe624c49013b6da2ecc9d9adc21cf9a964aca6
[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" "c9b9f7490a14b930f132751a2dfe624c49013b6da2ecc9d9adc21cf9a964aca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking rut v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "c9b9f7490a14b930f132751a2dfe624c49013b6da2ecc9d9adc21cf9a964aca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b9f7490a14b930f132751a2dfe624c49013b6da2ecc9d9adc21cf9a964aca6", kill_on_drop: false }`
[INFO] [stdout] c9b9f7490a14b930f132751a2dfe624c49013b6da2ecc9d9adc21cf9a964aca6