[INFO] cloning repository https://github.com/RamMaths/a_start_8_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RamMaths/a_start_8_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamMaths%2Fa_start_8_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamMaths%2Fa_start_8_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1737a96d6cca93a0d6e1a25401f87c016e6db908
[INFO] checking RamMaths/a_start_8_puzzle against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamMaths%2Fa_start_8_puzzle" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RamMaths/a_start_8_puzzle on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RamMaths/a_start_8_puzzle
[INFO] finished tweaking git repo https://github.com/RamMaths/a_start_8_puzzle
[INFO] tweaked toml for git repo https://github.com/RamMaths/a_start_8_puzzle written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RamMaths/a_start_8_puzzle 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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d3ecfa828a494b29b71a546a8412dd11bd11b196f8bee2f54f43b5da9110d72
[INFO] running `Command { std: "docker" "start" "-a" "1d3ecfa828a494b29b71a546a8412dd11bd11b196f8bee2f54f43b5da9110d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3ecfa828a494b29b71a546a8412dd11bd11b196f8bee2f54f43b5da9110d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3ecfa828a494b29b71a546a8412dd11bd11b196f8bee2f54f43b5da9110d72", kill_on_drop: false }`
[INFO] [stdout] 1d3ecfa828a494b29b71a546a8412dd11bd11b196f8bee2f54f43b5da9110d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dde71741ffd48c3a9db8f862d03f7ee5f6e190bfa88d01d8391de87e9babadb
[INFO] running `Command { std: "docker" "start" "-a" "6dde71741ffd48c3a9db8f862d03f7ee5f6e190bfa88d01d8391de87e9babadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking proyecto_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "6dde71741ffd48c3a9db8f862d03f7ee5f6e190bfa88d01d8391de87e9babadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dde71741ffd48c3a9db8f862d03f7ee5f6e190bfa88d01d8391de87e9babadb", kill_on_drop: false }`
[INFO] [stdout] 6dde71741ffd48c3a9db8f862d03f7ee5f6e190bfa88d01d8391de87e9babadb