[INFO] cloning repository https://github.com/anticore/rs-riow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anticore/rs-riow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanticore%2Frs-riow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanticore%2Frs-riow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b77b331596dfaa3a2e3bef955d4e37862761849
[INFO] checking anticore/rs-riow against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanticore%2Frs-riow" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anticore/rs-riow on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anticore/rs-riow
[INFO] finished tweaking git repo https://github.com/anticore/rs-riow
[INFO] tweaked toml for git repo https://github.com/anticore/rs-riow written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/anticore/rs-riow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded deflate v0.7.20
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45f043c7d1afe33a72da50ade2e99dc590441a6e9739c052261f6df05f1c5b20
[INFO] running `Command { std: "docker" "start" "-a" "45f043c7d1afe33a72da50ade2e99dc590441a6e9739c052261f6df05f1c5b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f043c7d1afe33a72da50ade2e99dc590441a6e9739c052261f6df05f1c5b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f043c7d1afe33a72da50ade2e99dc590441a6e9739c052261f6df05f1c5b20", kill_on_drop: false }`
[INFO] [stdout] 45f043c7d1afe33a72da50ade2e99dc590441a6e9739c052261f6df05f1c5b20
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12718b24fe11bf5995480539cb7061dce8a9a5b79d72c9164b64356d78f6f3d7
[INFO] running `Command { std: "docker" "start" "-a" "12718b24fe11bf5995480539cb7061dce8a9a5b79d72c9164b64356d78f6f3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rs-riow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "12718b24fe11bf5995480539cb7061dce8a9a5b79d72c9164b64356d78f6f3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12718b24fe11bf5995480539cb7061dce8a9a5b79d72c9164b64356d78f6f3d7", kill_on_drop: false }`
[INFO] [stdout] 12718b24fe11bf5995480539cb7061dce8a9a5b79d72c9164b64356d78f6f3d7