[INFO] cloning repository https://github.com/rust-learn/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learn/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a081f05151963395adf7165e26dbd11e6f785d3
[INFO] checking rust-learn/guessing_game against try#0004f98fdd309b1940390200ae28913f7fbd736f for pr-101478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learn/guessing_game on toolchain 0004f98fdd309b1940390200ae28913f7fbd736f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learn/guessing_game
[INFO] finished tweaking git repo https://github.com/rust-learn/guessing_game
[INFO] tweaked toml for git repo https://github.com/rust-learn/guessing_game written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learn/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "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] 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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdffff21928e5d2e3f248dd15378405d344eeea655475848d8236d1ed585067e
[INFO] running `Command { std: "docker" "start" "-a" "bdffff21928e5d2e3f248dd15378405d344eeea655475848d8236d1ed585067e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdffff21928e5d2e3f248dd15378405d344eeea655475848d8236d1ed585067e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdffff21928e5d2e3f248dd15378405d344eeea655475848d8236d1ed585067e", kill_on_drop: false }`
[INFO] [stdout] bdffff21928e5d2e3f248dd15378405d344eeea655475848d8236d1ed585067e
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0004f98fdd309b1940390200ae28913f7fbd736f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2ba3086ccd5de1c0ef5800594b1a354bab30c5a46aeb40d6a1eab2b04572aa4
[INFO] running `Command { std: "docker" "start" "-a" "f2ba3086ccd5de1c0ef5800594b1a354bab30c5a46aeb40d6a1eab2b04572aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "f2ba3086ccd5de1c0ef5800594b1a354bab30c5a46aeb40d6a1eab2b04572aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ba3086ccd5de1c0ef5800594b1a354bab30c5a46aeb40d6a1eab2b04572aa4", kill_on_drop: false }`
[INFO] [stdout] f2ba3086ccd5de1c0ef5800594b1a354bab30c5a46aeb40d6a1eab2b04572aa4