[INFO] cloning repository https://github.com/tkruke/roundtrip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkruke/roundtrip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkruke%2Froundtrip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkruke%2Froundtrip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a6b7011897c2a7e696006c31337cf7580903a59
[INFO] checking tkruke/roundtrip against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkruke%2Froundtrip" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkruke/roundtrip 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/tkruke/roundtrip
[INFO] finished tweaking git repo https://github.com/tkruke/roundtrip
[INFO] tweaked toml for git repo https://github.com/tkruke/roundtrip written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkruke/roundtrip 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 198413d09de5b3dab1bebe7a36a6bc5e0b82a88abcf1b1f8068e137ab5295f07
[INFO] running `Command { std: "docker" "start" "-a" "198413d09de5b3dab1bebe7a36a6bc5e0b82a88abcf1b1f8068e137ab5295f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198413d09de5b3dab1bebe7a36a6bc5e0b82a88abcf1b1f8068e137ab5295f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198413d09de5b3dab1bebe7a36a6bc5e0b82a88abcf1b1f8068e137ab5295f07", kill_on_drop: false }`
[INFO] [stdout] 198413d09de5b3dab1bebe7a36a6bc5e0b82a88abcf1b1f8068e137ab5295f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0e022d9ca3d4bd92fff66624545dbd21cd67ef04f0dd0b09b855bb8aed5fc3d
[INFO] running `Command { std: "docker" "start" "-a" "b0e022d9ca3d4bd92fff66624545dbd21cd67ef04f0dd0b09b855bb8aed5fc3d", kill_on_drop: false }`
[INFO] [stderr]     Checking roundtrip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b0e022d9ca3d4bd92fff66624545dbd21cd67ef04f0dd0b09b855bb8aed5fc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e022d9ca3d4bd92fff66624545dbd21cd67ef04f0dd0b09b855bb8aed5fc3d", kill_on_drop: false }`
[INFO] [stdout] b0e022d9ca3d4bd92fff66624545dbd21cd67ef04f0dd0b09b855bb8aed5fc3d