[INFO] fetching crate rucky 0.1.0...
[INFO] checking rucky-0.1.0 against master#77e7b74ad5c0c449fa378faf5edf33dd2e6fed87 for pr-93275-1
[INFO] extracting crate rucky 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rucky 0.1.0 on toolchain 77e7b74ad5c0c449fa378faf5edf33dd2e6fed87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rucky 0.1.0
[INFO] finished tweaking crates.io crate rucky 0.1.0
[INFO] tweaked toml for crates.io crate rucky 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded ucd-util v0.1.9
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2da16d0b868a7247250734b548e5533f0122d0f512108570d01233aa3bc97d
[INFO] running `Command { std: "docker" "start" "-a" "4c2da16d0b868a7247250734b548e5533f0122d0f512108570d01233aa3bc97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2da16d0b868a7247250734b548e5533f0122d0f512108570d01233aa3bc97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2da16d0b868a7247250734b548e5533f0122d0f512108570d01233aa3bc97d", kill_on_drop: false }`
[INFO] [stdout] 4c2da16d0b868a7247250734b548e5533f0122d0f512108570d01233aa3bc97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30f77f333dbdd3332020597e30e2a3ad1d5a797297b6fceb05aaf3d757f84ac
[INFO] running `Command { std: "docker" "start" "-a" "d30f77f333dbdd3332020597e30e2a3ad1d5a797297b6fceb05aaf3d757f84ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.9
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rucky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "d30f77f333dbdd3332020597e30e2a3ad1d5a797297b6fceb05aaf3d757f84ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30f77f333dbdd3332020597e30e2a3ad1d5a797297b6fceb05aaf3d757f84ac", kill_on_drop: false }`
[INFO] [stdout] d30f77f333dbdd3332020597e30e2a3ad1d5a797297b6fceb05aaf3d757f84ac