[INFO] fetching crate rmw_err 0.0.5...
[INFO] testing rmw_err-0.0.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rmw_err 0.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rmw_err 0.0.5
[INFO] finished tweaking crates.io crate rmw_err 0.0.5
[INFO] tweaked toml for crates.io crate rmw_err 0.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmw_err 0.0.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmw_err 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e217f48f776582c9f0be153f981068de21fa57ab24b7dd15905ada31d09bd16c
[INFO] running `Command { std: "docker" "start" "-a" "e217f48f776582c9f0be153f981068de21fa57ab24b7dd15905ada31d09bd16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e217f48f776582c9f0be153f981068de21fa57ab24b7dd15905ada31d09bd16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e217f48f776582c9f0be153f981068de21fa57ab24b7dd15905ada31d09bd16c", kill_on_drop: false }`
[INFO] [stdout] e217f48f776582c9f0be153f981068de21fa57ab24b7dd15905ada31d09bd16c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 496eec16016def8bb1029e6d83cee0a49ad9606e8145f6375fe524a0a1b3b0e2
[INFO] running `Command { std: "docker" "start" "-a" "496eec16016def8bb1029e6d83cee0a49ad9606e8145f6375fe524a0a1b3b0e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmw_err v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "496eec16016def8bb1029e6d83cee0a49ad9606e8145f6375fe524a0a1b3b0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496eec16016def8bb1029e6d83cee0a49ad9606e8145f6375fe524a0a1b3b0e2", kill_on_drop: false }`
[INFO] [stdout] 496eec16016def8bb1029e6d83cee0a49ad9606e8145f6375fe524a0a1b3b0e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b88e957bc0d9801733844240655f38cf13eb9035ed76d593ef2a8d2ad92e35
[INFO] running `Command { std: "docker" "start" "-a" "10b88e957bc0d9801733844240655f38cf13eb9035ed76d593ef2a8d2ad92e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling rmw_err v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err`
[INFO] [stdout]  --> examples/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |   if let Ok(_) = err::ok!(File::open("/not_exist")) {
[INFO] [stdout]   |                  ^^^ use of unresolved module or unlinked crate `err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err`
[INFO] [stdout]  --> examples/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     err::log!(Err::<(), _>("test"));
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> examples/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmw_err` (example "main") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "10b88e957bc0d9801733844240655f38cf13eb9035ed76d593ef2a8d2ad92e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b88e957bc0d9801733844240655f38cf13eb9035ed76d593ef2a8d2ad92e35", kill_on_drop: false }`
[INFO] [stdout] 10b88e957bc0d9801733844240655f38cf13eb9035ed76d593ef2a8d2ad92e35