[INFO] crate fir 0.1.0 is already in cache
[INFO] checking fir-0.1.0 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] extracting crate fir 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fir 0.1.0 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fir 0.1.0
[INFO] finished tweaking crates.io crate fir 0.1.0
[INFO] tweaked toml for crates.io crate fir 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f2238a5e0bee22f97f95b3348059aa789a684a29e43d880e2b7e6adc5548dc3
[INFO] running `"docker" "start" "-a" "8f2238a5e0bee22f97f95b3348059aa789a684a29e43d880e2b7e6adc5548dc3"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking fir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0583]: file not found for module `tree`
[INFO] [stderr]  --> examples/simple_tree.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod tree;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either tree.rs or tree/mod.rs inside the directory "examples"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: could not compile `fir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f2238a5e0bee22f97f95b3348059aa789a684a29e43d880e2b7e6adc5548dc3"`
[INFO] running `"docker" "rm" "-f" "8f2238a5e0bee22f97f95b3348059aa789a684a29e43d880e2b7e6adc5548dc3"`
[INFO] [stdout] 8f2238a5e0bee22f97f95b3348059aa789a684a29e43d880e2b7e6adc5548dc3