[INFO] fetching crate pychan 0.2.0...
[INFO] checking pychan-0.2.0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate pychan 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pychan 0.2.0 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pychan 0.2.0
[INFO] finished tweaking crates.io crate pychan 0.2.0
[INFO] tweaked toml for crates.io crate pychan 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8c57cce63c59fcafcccebceea332f5c7ec9fb5311555ca09bc53cc10cd6d0af
[INFO] running `Command { std: "docker" "start" "-a" "f8c57cce63c59fcafcccebceea332f5c7ec9fb5311555ca09bc53cc10cd6d0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c57cce63c59fcafcccebceea332f5c7ec9fb5311555ca09bc53cc10cd6d0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c57cce63c59fcafcccebceea332f5c7ec9fb5311555ca09bc53cc10cd6d0af", kill_on_drop: false }`
[INFO] [stdout] f8c57cce63c59fcafcccebceea332f5c7ec9fb5311555ca09bc53cc10cd6d0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55889fdbd99791a7d46b27491fdeefe0872c39d12e7a80a95b1cead7c7fdb6d0
[INFO] running `Command { std: "docker" "start" "-a" "55889fdbd99791a7d46b27491fdeefe0872c39d12e7a80a95b1cead7c7fdb6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling pyo3-build-config v0.22.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.2
[INFO] [stderr]    Compiling pyo3-ffi v0.22.2
[INFO] [stderr]    Compiling pyo3 v0.22.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking pychan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `Command { std: "docker" "inspect" "55889fdbd99791a7d46b27491fdeefe0872c39d12e7a80a95b1cead7c7fdb6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55889fdbd99791a7d46b27491fdeefe0872c39d12e7a80a95b1cead7c7fdb6d0", kill_on_drop: false }`
[INFO] [stdout] 55889fdbd99791a7d46b27491fdeefe0872c39d12e7a80a95b1cead7c7fdb6d0