[INFO] cloning repository https://github.com/mgattozzi/ferris-says
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/ferris-says" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fferris-says", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fferris-says'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2cead191a661055be25780f839c33b01d78a499
[INFO] checking mgattozzi/ferris-says against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Fferris-says" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgattozzi/ferris-says on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgattozzi/ferris-says
[INFO] finished tweaking git repo https://github.com/mgattozzi/ferris-says
[INFO] tweaked toml for git repo https://github.com/mgattozzi/ferris-says written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 smallvec v0.4.5
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a09b5a16cd5633a8fcec3e74f6f81bf384b006552b8d4cbb7a0205b0ce59b6ac
[INFO] running `Command { std: "docker" "start" "-a" "a09b5a16cd5633a8fcec3e74f6f81bf384b006552b8d4cbb7a0205b0ce59b6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09b5a16cd5633a8fcec3e74f6f81bf384b006552b8d4cbb7a0205b0ce59b6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09b5a16cd5633a8fcec3e74f6f81bf384b006552b8d4cbb7a0205b0ce59b6ac", kill_on_drop: false }`
[INFO] [stdout] a09b5a16cd5633a8fcec3e74f6f81bf384b006552b8d4cbb7a0205b0ce59b6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5c7ad8368d4bc4285037a3110a2996fda963c4bb03b851918061bef86519a5
[INFO] running `Command { std: "docker" "start" "-a" "af5c7ad8368d4bc4285037a3110a2996fda963c4bb03b851918061bef86519a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]     Checking ferris-says v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking fsays v0.1.0 (/opt/rustwide/workdir/fsays)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "af5c7ad8368d4bc4285037a3110a2996fda963c4bb03b851918061bef86519a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5c7ad8368d4bc4285037a3110a2996fda963c4bb03b851918061bef86519a5", kill_on_drop: false }`
[INFO] [stdout] af5c7ad8368d4bc4285037a3110a2996fda963c4bb03b851918061bef86519a5