[INFO] fetching crate mwps 0.0.0...
[INFO] checking mwps-0.0.0 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate mwps 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mwps 0.0.0 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mwps 0.0.0
[INFO] finished tweaking crates.io crate mwps 0.0.0
[INFO] tweaked toml for crates.io crate mwps 0.0.0 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "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 35 packages to latest compatible versions
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding pyo3 v0.17.3 (latest: v0.21.2)
[INFO] [stderr]       Adding pyo3-build-config v0.17.3 (latest: v0.21.2)
[INFO] [stderr]       Adding pyo3-ffi v0.17.3 (latest: v0.21.2)
[INFO] [stderr]       Adding pyo3-macros v0.17.3 (latest: v0.21.2)
[INFO] [stderr]       Adding pyo3-macros-backend v0.17.3 (latest: v0.21.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros v0.17.3
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.17.3
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.3
[INFO] [stderr]   Downloaded pyo3 v0.17.3
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e2c2b1e215500cded20c59de02dec5612330774246c1f51e554467f5d61a544
[INFO] running `Command { std: "docker" "start" "-a" "4e2c2b1e215500cded20c59de02dec5612330774246c1f51e554467f5d61a544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2c2b1e215500cded20c59de02dec5612330774246c1f51e554467f5d61a544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2c2b1e215500cded20c59de02dec5612330774246c1f51e554467f5d61a544", kill_on_drop: false }`
[INFO] [stdout] 4e2c2b1e215500cded20c59de02dec5612330774246c1f51e554467f5d61a544
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b67d57e36b09027b699f008e72220013d1f6fcf8e0001c2d0abd68b305bb71
[INFO] running `Command { std: "docker" "start" "-a" "98b67d57e36b09027b699f008e72220013d1f6fcf8e0001c2d0abd68b305bb71", kill_on_drop: false }`
[INFO] [stderr]     Checking mwps v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "98b67d57e36b09027b699f008e72220013d1f6fcf8e0001c2d0abd68b305bb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b67d57e36b09027b699f008e72220013d1f6fcf8e0001c2d0abd68b305bb71", kill_on_drop: false }`
[INFO] [stdout] 98b67d57e36b09027b699f008e72220013d1f6fcf8e0001c2d0abd68b305bb71