[INFO] cloning repository https://github.com/tail-island/water-jug-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tail-island/water-jug-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftail-island%2Fwater-jug-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftail-island%2Fwater-jug-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 136d93e993531a307484d9a4b19512d24b24b1d9
[INFO] checking tail-island/water-jug-problem against master#dd9a7bf848e412c81e3045245acbd5a01641a610 for pr-111245
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftail-island%2Fwater-jug-problem" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tail-island/water-jug-problem on toolchain dd9a7bf848e412c81e3045245acbd5a01641a610
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd9a7bf848e412c81e3045245acbd5a01641a610" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tail-island/water-jug-problem
[INFO] finished tweaking git repo https://github.com/tail-island/water-jug-problem
[INFO] tweaked toml for git repo https://github.com/tail-island/water-jug-problem written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tail-island/water-jug-problem 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" "+dd9a7bf848e412c81e3045245acbd5a01641a610" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+dd9a7bf848e412c81e3045245acbd5a01641a610" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 088db2f277614a58f51d578c2c7912df208feff344e2d39232230c2c370f3463
[INFO] running `Command { std: "docker" "start" "-a" "088db2f277614a58f51d578c2c7912df208feff344e2d39232230c2c370f3463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "088db2f277614a58f51d578c2c7912df208feff344e2d39232230c2c370f3463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088db2f277614a58f51d578c2c7912df208feff344e2d39232230c2c370f3463", kill_on_drop: false }`
[INFO] [stdout] 088db2f277614a58f51d578c2c7912df208feff344e2d39232230c2c370f3463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+dd9a7bf848e412c81e3045245acbd5a01641a610" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c307209a0fe4a037f1f584184fe6cfe1e252430c3063059e31807dfe1a69f5
[INFO] running `Command { std: "docker" "start" "-a" "09c307209a0fe4a037f1f584184fe6cfe1e252430c3063059e31807dfe1a69f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking water-jug-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "09c307209a0fe4a037f1f584184fe6cfe1e252430c3063059e31807dfe1a69f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c307209a0fe4a037f1f584184fe6cfe1e252430c3063059e31807dfe1a69f5", kill_on_drop: false }`
[INFO] [stdout] 09c307209a0fe4a037f1f584184fe6cfe1e252430c3063059e31807dfe1a69f5