[INFO] cloning repository https://github.com/learn-you-a-rust/yet-more-loops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-you-a-rust/yet-more-loops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fyet-more-loops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fyet-more-loops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b47f0074b9bb38c216a5969119386bf26fc1e51
[INFO] checking learn-you-a-rust/yet-more-loops against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fyet-more-loops" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-you-a-rust/yet-more-loops on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/learn-you-a-rust/yet-more-loops
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/yet-more-loops
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/yet-more-loops written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/yet-more-loops already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dad3c69a458ba1a7c4425a50e7971084a356a0b21176e0e1e6941a530acddc04
[INFO] running `Command { std: "docker" "start" "-a" "dad3c69a458ba1a7c4425a50e7971084a356a0b21176e0e1e6941a530acddc04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dad3c69a458ba1a7c4425a50e7971084a356a0b21176e0e1e6941a530acddc04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad3c69a458ba1a7c4425a50e7971084a356a0b21176e0e1e6941a530acddc04", kill_on_drop: false }`
[INFO] [stdout] dad3c69a458ba1a7c4425a50e7971084a356a0b21176e0e1e6941a530acddc04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6fad18e1f569049eb2a9c857ec239e50a6d5b548a40ca392eb6fd07130e44c
[INFO] running `Command { std: "docker" "start" "-a" "ba6fad18e1f569049eb2a9c857ec239e50a6d5b548a40ca392eb6fd07130e44c", kill_on_drop: false }`
[INFO] [stderr]     Checking yet-more-loops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "ba6fad18e1f569049eb2a9c857ec239e50a6d5b548a40ca392eb6fd07130e44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6fad18e1f569049eb2a9c857ec239e50a6d5b548a40ca392eb6fd07130e44c", kill_on_drop: false }`
[INFO] [stdout] ba6fad18e1f569049eb2a9c857ec239e50a6d5b548a40ca392eb6fd07130e44c