[INFO] fetching crate io-extra 0.3.0...
[INFO] checking io-extra-0.3.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate io-extra 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate io-extra 0.3.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-extra 0.3.0
[INFO] finished tweaking crates.io crate io-extra 0.3.0
[INFO] tweaked toml for crates.io crate io-extra 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f2954376a4fce0b7b8e0013b420b96bdfd19a86ad69008a66ee20cd5dbb317
[INFO] running `Command { std: "docker" "start" "-a" "66f2954376a4fce0b7b8e0013b420b96bdfd19a86ad69008a66ee20cd5dbb317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f2954376a4fce0b7b8e0013b420b96bdfd19a86ad69008a66ee20cd5dbb317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f2954376a4fce0b7b8e0013b420b96bdfd19a86ad69008a66ee20cd5dbb317", kill_on_drop: false }`
[INFO] [stdout] 66f2954376a4fce0b7b8e0013b420b96bdfd19a86ad69008a66ee20cd5dbb317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d3772bfd1ee1ecf89a3caffd3444f6fb840be114fc694ac1728b81f98dced3
[INFO] running `Command { std: "docker" "start" "-a" "c3d3772bfd1ee1ecf89a3caffd3444f6fb840be114fc694ac1728b81f98dced3", kill_on_drop: false }`
[INFO] [stderr]     Checking io-extra v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c3d3772bfd1ee1ecf89a3caffd3444f6fb840be114fc694ac1728b81f98dced3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d3772bfd1ee1ecf89a3caffd3444f6fb840be114fc694ac1728b81f98dced3", kill_on_drop: false }`
[INFO] [stdout] c3d3772bfd1ee1ecf89a3caffd3444f6fb840be114fc694ac1728b81f98dced3