[INFO] fetching crate rust_demangle 0.1.0...
[INFO] checking rust_demangle-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rust_demangle 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate rust_demangle 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-56/source/.cargo/config
[INFO] started tweaking crates.io crate rust_demangle 0.1.0
[INFO] finished tweaking crates.io crate rust_demangle 0.1.0
[INFO] tweaked toml for crates.io crate rust_demangle 0.1.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 inventory v0.1.11
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded pyo3 v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15b223e8855ac8b61935bfdf9f0de7521e446f8b388a641981ba4e7285b2fb33
[INFO] running `Command { std: "docker" "start" "-a" "15b223e8855ac8b61935bfdf9f0de7521e446f8b388a641981ba4e7285b2fb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b223e8855ac8b61935bfdf9f0de7521e446f8b388a641981ba4e7285b2fb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b223e8855ac8b61935bfdf9f0de7521e446f8b388a641981ba4e7285b2fb33", kill_on_drop: false }`
[INFO] [stdout] 15b223e8855ac8b61935bfdf9f0de7521e446f8b388a641981ba4e7285b2fb33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f0e4e7c1aa659900f7d3fd3f8ec4ae07a419c50c4da6bf0c6508bf2e265ea2
[INFO] running `Command { std: "docker" "start" "-a" "d4f0e4e7c1aa659900f7d3fd3f8ec4ae07a419c50c4da6bf0c6508bf2e265ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking rust_demangle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
[INFO] running `Command { std: "docker" "inspect" "d4f0e4e7c1aa659900f7d3fd3f8ec4ae07a419c50c4da6bf0c6508bf2e265ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f0e4e7c1aa659900f7d3fd3f8ec4ae07a419c50c4da6bf0c6508bf2e265ea2", kill_on_drop: false }`
[INFO] [stdout] d4f0e4e7c1aa659900f7d3fd3f8ec4ae07a419c50c4da6bf0c6508bf2e265ea2