[INFO] cloning repository https://github.com/devsnek/thonkfan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devsnek/thonkfan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsnek%2Fthonkfan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsnek%2Fthonkfan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d10c8ee61ba97cc7827b9f6f4e72d38b99a8a735
[INFO] checking devsnek/thonkfan against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsnek%2Fthonkfan" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devsnek/thonkfan on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devsnek/thonkfan
[INFO] finished tweaking git repo https://github.com/devsnek/thonkfan
[INFO] tweaked toml for git repo https://github.com/devsnek/thonkfan written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/devsnek/thonkfan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d446b8106e3a880267a39c0b22a1f0b6afc5d55c17ab07bc4ca1068e56104454
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d446b8106e3a880267a39c0b22a1f0b6afc5d55c17ab07bc4ca1068e56104454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d446b8106e3a880267a39c0b22a1f0b6afc5d55c17ab07bc4ca1068e56104454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d446b8106e3a880267a39c0b22a1f0b6afc5d55c17ab07bc4ca1068e56104454", kill_on_drop: false }`
[INFO] [stdout] d446b8106e3a880267a39c0b22a1f0b6afc5d55c17ab07bc4ca1068e56104454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121e72ae7de6da40188533f8e85322848079b3f32b999dae78e4e428b441ed8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "121e72ae7de6da40188533f8e85322848079b3f32b999dae78e4e428b441ed8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking thonkfan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.81s
[INFO] running `Command { std: "docker" "inspect" "121e72ae7de6da40188533f8e85322848079b3f32b999dae78e4e428b441ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121e72ae7de6da40188533f8e85322848079b3f32b999dae78e4e428b441ed8f", kill_on_drop: false }`
[INFO] [stdout] 121e72ae7de6da40188533f8e85322848079b3f32b999dae78e4e428b441ed8f