[INFO] cloning repository https://github.com/h-kumar/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h-kumar/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-kumar%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-kumar%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1679d37090e7c8e62366f4823e455b71f1b1b58
[INFO] checking h-kumar/hello_cargo against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-kumar%2Fhello_cargo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h-kumar/hello_cargo on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h-kumar/hello_cargo
[INFO] finished tweaking git repo https://github.com/h-kumar/hello_cargo
[INFO] tweaked toml for git repo https://github.com/h-kumar/hello_cargo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/h-kumar/hello_cargo 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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] checking h-kumar/hello_cargo against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh-kumar%2Fhello_cargo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h-kumar/hello_cargo on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h-kumar/hello_cargo
[INFO] finished tweaking git repo https://github.com/h-kumar/hello_cargo
[INFO] tweaked toml for git repo https://github.com/h-kumar/hello_cargo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/h-kumar/hello_cargo 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6845927928f5f95071ee9812c329a64dc5d5dbecda7aee7f150ab078ffeb92fe
[INFO] running `Command { std: "docker" "start" "-a" "6845927928f5f95071ee9812c329a64dc5d5dbecda7aee7f150ab078ffeb92fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6845927928f5f95071ee9812c329a64dc5d5dbecda7aee7f150ab078ffeb92fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6845927928f5f95071ee9812c329a64dc5d5dbecda7aee7f150ab078ffeb92fe", kill_on_drop: false }`
[INFO] [stdout] 6845927928f5f95071ee9812c329a64dc5d5dbecda7aee7f150ab078ffeb92fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9a5b162479dac1ea5d18b9b0bae7df75ab561e0a592f228414e19bdcf016af7
[INFO] running `Command { std: "docker" "start" "-a" "d9a5b162479dac1ea5d18b9b0bae7df75ab561e0a592f228414e19bdcf016af7", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d9a5b162479dac1ea5d18b9b0bae7df75ab561e0a592f228414e19bdcf016af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a5b162479dac1ea5d18b9b0bae7df75ab561e0a592f228414e19bdcf016af7", kill_on_drop: false }`
[INFO] [stdout] d9a5b162479dac1ea5d18b9b0bae7df75ab561e0a592f228414e19bdcf016af7