[INFO] cloning repository https://github.com/fearless23/learn_rust_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fearless23/learn_rust_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearless23%2Flearn_rust_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearless23%2Flearn_rust_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30fdacd3f2e879d427500f6ded6af5f7404d6848
[INFO] checking fearless23/learn_rust_lang against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearless23%2Flearn_rust_lang" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fearless23/learn_rust_lang on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fearless23/learn_rust_lang
[INFO] finished tweaking git repo https://github.com/fearless23/learn_rust_lang
[INFO] tweaked toml for git repo https://github.com/fearless23/learn_rust_lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fearless23/learn_rust_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d527facb242b1ce16c48f4baa333ce7999f6643ce814fd6b63167fde0b19e837
[INFO] running `Command { std: "docker" "start" "-a" "d527facb242b1ce16c48f4baa333ce7999f6643ce814fd6b63167fde0b19e837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d527facb242b1ce16c48f4baa333ce7999f6643ce814fd6b63167fde0b19e837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d527facb242b1ce16c48f4baa333ce7999f6643ce814fd6b63167fde0b19e837", kill_on_drop: false }`
[INFO] [stdout] d527facb242b1ce16c48f4baa333ce7999f6643ce814fd6b63167fde0b19e837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aff49f945f02ae205b5ce4660ff016fa23b451ab5f87678432a0c4156810f041
[INFO] running `Command { std: "docker" "start" "-a" "aff49f945f02ae205b5ce4660ff016fa23b451ab5f87678432a0c4156810f041", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking learn_rust_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "aff49f945f02ae205b5ce4660ff016fa23b451ab5f87678432a0c4156810f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff49f945f02ae205b5ce4660ff016fa23b451ab5f87678432a0c4156810f041", kill_on_drop: false }`
[INFO] [stdout] aff49f945f02ae205b5ce4660ff016fa23b451ab5f87678432a0c4156810f041