[INFO] fetching crate ast-demangle 0.2.3...
[INFO] checking ast-demangle-0.2.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ast-demangle 0.2.3 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ast-demangle 0.2.3 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-16/source/rust-toolchain
[INFO] started tweaking crates.io crate ast-demangle 0.2.3
[INFO] finished tweaking crates.io crate ast-demangle 0.2.3
[INFO] tweaked toml for crates.io crate ast-demangle 0.2.3 written to /workspace/builds/worker-16/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d3264c1472ab18b886008539c7d5cf64127626f41222f2176588d91d9a895857
[INFO] running `Command { std: "docker" "start" "-a" "d3264c1472ab18b886008539c7d5cf64127626f41222f2176588d91d9a895857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3264c1472ab18b886008539c7d5cf64127626f41222f2176588d91d9a895857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3264c1472ab18b886008539c7d5cf64127626f41222f2176588d91d9a895857", kill_on_drop: false }`
[INFO] [stdout] d3264c1472ab18b886008539c7d5cf64127626f41222f2176588d91d9a895857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d118dc653c65c7ad66bcac4a8b6675d8194a3864c397ad2d0207214a185e70c9
[INFO] running `Command { std: "docker" "start" "-a" "d118dc653c65c7ad66bcac4a8b6675d8194a3864c397ad2d0207214a185e70c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking punycode v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ast-demangle v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test_utilities`
[INFO] [stdout]  --> tests/test-against-rustc-demangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test_utilities::BoundedWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of undeclared crate or module `test_utilities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]  --> tests/test-against-rustc-demangle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ast-demangle` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d118dc653c65c7ad66bcac4a8b6675d8194a3864c397ad2d0207214a185e70c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d118dc653c65c7ad66bcac4a8b6675d8194a3864c397ad2d0207214a185e70c9", kill_on_drop: false }`
[INFO] [stdout] d118dc653c65c7ad66bcac4a8b6675d8194a3864c397ad2d0207214a185e70c9