[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtualgraham%2Frandom_mapping_monte_carlo" "/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/virtualgraham/random_mapping_monte_carlo on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[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: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded spinner v0.5.0
[INFO] [stderr]   Downloaded ansi_term v0.7.5
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded random-trait v0.1.1
[INFO] [stderr]   Downloaded random-fast-rng v0.1.1
[INFO] [stderr]   Downloaded spinners v1.2.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8b45f0685f02e5f008cfbcbd9db25e8c3039aa4000483d3a2e01c7c992c01a4
[INFO] running `Command { std: "docker" "start" "-a" "d8b45f0685f02e5f008cfbcbd9db25e8c3039aa4000483d3a2e01c7c992c01a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b45f0685f02e5f008cfbcbd9db25e8c3039aa4000483d3a2e01c7c992c01a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b45f0685f02e5f008cfbcbd9db25e8c3039aa4000483d3a2e01c7c992c01a4", kill_on_drop: false }`
[INFO] [stdout] d8b45f0685f02e5f008cfbcbd9db25e8c3039aa4000483d3a2e01c7c992c01a4
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc90860900a3b65970b546d66b7d835c4ad22356a19e119f5256de05a693a122
[INFO] running `Command { std: "docker" "start" "-a" "bc90860900a3b65970b546d66b7d835c4ad22356a19e119f5256de05a693a122", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling random-trait v0.1.1
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]     Checking random-fast-rng v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]     Checking random_mapping_monte_carlo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "bc90860900a3b65970b546d66b7d835c4ad22356a19e119f5256de05a693a122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc90860900a3b65970b546d66b7d835c4ad22356a19e119f5256de05a693a122", kill_on_drop: false }`
[INFO] [stdout] bc90860900a3b65970b546d66b7d835c4ad22356a19e119f5256de05a693a122