[INFO] updating cached repository masakitm/study-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/masakitm/study-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/masakitm/study-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/masakitm/study-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/masakitm/study-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/masakitm/study-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/masakitm/study-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/masakitm/study-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31acaeffcd61685ed6c5cc845942c508609db9e5
[INFO] sha for GitHub repo masakitm/study-rust: 31acaeffcd61685ed6c5cc845942c508609db9e5
[INFO] validating manifest of masakitm/study-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of masakitm/study-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing masakitm/study-rust
[INFO] finished frobbing masakitm/study-rust
[INFO] frobbed toml for masakitm/study-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/masakitm/study-rust/Cargo.toml
[INFO] started frobbing masakitm/study-rust
[INFO] finished frobbing masakitm/study-rust
[INFO] frobbed toml for masakitm/study-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/masakitm/study-rust/Cargo.toml
[INFO] crate masakitm/study-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing masakitm/study-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/masakitm/study-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7a7d4af215d0e1abe8d19e0d2533913d3b977cc2ccc70f91987cd6a154a0b5f6
[INFO] running `"docker" "start" "-a" "7a7d4af215d0e1abe8d19e0d2533913d3b977cc2ccc70f91987cd6a154a0b5f6"`
[INFO] [stderr]    Compiling study-rust-repo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Ordering`
[INFO] [stderr]   --> src/main.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 |       Ordering::Less    => println!("Too small!"),
[INFO] [stderr]    |       ^^^^^^^^ use of undeclared type or module `Ordering`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Ordering`
[INFO] [stderr]   --> src/main.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |       Ordering::Greater => println!("Too big!"),
[INFO] [stderr]    |       ^^^^^^^^ use of undeclared type or module `Ordering`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Ordering`
[INFO] [stderr]   --> src/main.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |       Ordering::Equal   => {
[INFO] [stderr]    |       ^^^^^^^^ use of undeclared type or module `Ordering`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `study-rust-repo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7a7d4af215d0e1abe8d19e0d2533913d3b977cc2ccc70f91987cd6a154a0b5f6"`
[INFO] running `"docker" "rm" "-f" "7a7d4af215d0e1abe8d19e0d2533913d3b977cc2ccc70f91987cd6a154a0b5f6"`
[INFO] [stdout] 7a7d4af215d0e1abe8d19e0d2533913d3b977cc2ccc70f91987cd6a154a0b5f6