[INFO] cloning repository https://github.com/virtualgraham/random_mapping_monte_carlo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virtualgraham/random_mapping_monte_carlo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8987e4d642fa5b6416198fe67a0c6da040ce577
[INFO] checking virtualgraham/random_mapping_monte_carlo against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo
[INFO] finished tweaking git repo https://github.com/virtualgraham/random_mapping_monte_carlo
[INFO] tweaked toml for git repo https://github.com/virtualgraham/random_mapping_monte_carlo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/virtualgraham/random_mapping_monte_carlo on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/virtualgraham/random_mapping_monte_carlo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinners v1.2.0
[INFO] [stderr]   Downloaded random-trait v0.1.1
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded random-fast-rng v0.1.1
[INFO] [stderr]   Downloaded spinner v0.5.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded ansi_term v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf37267caed90f80dfdd5fa881de2be36f56592c105e824a61a6bca0267c6a0a
[INFO] running `Command { std: "docker" "start" "-a" "cf37267caed90f80dfdd5fa881de2be36f56592c105e824a61a6bca0267c6a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf37267caed90f80dfdd5fa881de2be36f56592c105e824a61a6bca0267c6a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf37267caed90f80dfdd5fa881de2be36f56592c105e824a61a6bca0267c6a0a", kill_on_drop: false }`
[INFO] [stdout] cf37267caed90f80dfdd5fa881de2be36f56592c105e824a61a6bca0267c6a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a072de5f0047393154caa76f34675f8a721f49f205770900d9a59ccda6c49d9
[INFO] running `Command { std: "docker" "start" "-a" "2a072de5f0047393154caa76f34675f8a721f49f205770900d9a59ccda6c49d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling random-trait v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking random-fast-rng v0.1.1
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]     Checking random_mapping_monte_carlo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "2a072de5f0047393154caa76f34675f8a721f49f205770900d9a59ccda6c49d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a072de5f0047393154caa76f34675f8a721f49f205770900d9a59ccda6c49d9", kill_on_drop: false }`
[INFO] [stdout] 2a072de5f0047393154caa76f34675f8a721f49f205770900d9a59ccda6c49d9