[INFO] fetching crate tow 0.0.1...
[INFO] checking tow-0.0.1 against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033
[INFO] extracting crate tow 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tow 0.0.1 on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tow 0.0.1
[INFO] finished tweaking crates.io crate tow 0.0.1
[INFO] tweaked toml for crates.io crate tow 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a296c6ca114452edb82448b128c7e7aa857abc39406208a246773997e518bd
[INFO] running `Command { std: "docker" "start" "-a" "54a296c6ca114452edb82448b128c7e7aa857abc39406208a246773997e518bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a296c6ca114452edb82448b128c7e7aa857abc39406208a246773997e518bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a296c6ca114452edb82448b128c7e7aa857abc39406208a246773997e518bd", kill_on_drop: false }`
[INFO] [stdout] 54a296c6ca114452edb82448b128c7e7aa857abc39406208a246773997e518bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb1db39f9872c99381d31de93d23280784c64ebcd2e7d019974bb6ee54b2465
[INFO] running `Command { std: "docker" "start" "-a" "4eb1db39f9872c99381d31de93d23280784c64ebcd2e7d019974bb6ee54b2465", kill_on_drop: false }`
[INFO] [stderr]     Checking tow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4eb1db39f9872c99381d31de93d23280784c64ebcd2e7d019974bb6ee54b2465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb1db39f9872c99381d31de93d23280784c64ebcd2e7d019974bb6ee54b2465", kill_on_drop: false }`
[INFO] [stdout] 4eb1db39f9872c99381d31de93d23280784c64ebcd2e7d019974bb6ee54b2465