[INFO] crate munkres 0.5.1 is already in cache
[INFO] extracting crate munkres 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/munkres/0.5.1
[INFO] extracting crate munkres 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/munkres/0.5.1
[INFO] validating manifest of munkres-0.5.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of munkres-0.5.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing munkres-0.5.1
[INFO] finished frobbing munkres-0.5.1
[INFO] frobbed toml for munkres-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/munkres/0.5.1/Cargo.toml
[INFO] started frobbing munkres-0.5.1
[INFO] finished frobbing munkres-0.5.1
[INFO] frobbed toml for munkres-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/munkres/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing munkres-0.5.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/munkres/0.5.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] baf8ad48417e04e1b4160740a8fcb038076233ac411171e4274e06755de906da
[INFO] running `"docker" "start" "-a" "baf8ad48417e04e1b4160740a8fcb038076233ac411171e4274e06755de906da"`
[INFO] [stderr]    Compiling munkres v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "baf8ad48417e04e1b4160740a8fcb038076233ac411171e4274e06755de906da"`
[INFO] running `"docker" "rm" "-f" "baf8ad48417e04e1b4160740a8fcb038076233ac411171e4274e06755de906da"`
[INFO] [stdout] baf8ad48417e04e1b4160740a8fcb038076233ac411171e4274e06755de906da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/munkres/0.5.1:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b549ea3084ecd32969ef8a223ea06ac2334cfda453ed35ce036a92721952833
[INFO] running `"docker" "start" "-a" "0b549ea3084ecd32969ef8a223ea06ac2334cfda453ed35ce036a92721952833"`
[INFO] [stderr]    Compiling munkres v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "0b549ea3084ecd32969ef8a223ea06ac2334cfda453ed35ce036a92721952833"`
[INFO] running `"docker" "rm" "-f" "0b549ea3084ecd32969ef8a223ea06ac2334cfda453ed35ce036a92721952833"`
[INFO] [stdout] 0b549ea3084ecd32969ef8a223ea06ac2334cfda453ed35ce036a92721952833
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/munkres/0.5.1:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9f572891a72dbc291ad658d58da72c4dfb8fac5cd54530fab132cfde33ddabc6
[INFO] running `"docker" "start" "-a" "9f572891a72dbc291ad658d58da72c4dfb8fac5cd54530fab132cfde33ddabc6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/munkres-5d9709ccc23e058e
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_solve_equal_rows5_float ... ok
[INFO] [stdout] test test_solve_equal_rows5_float2 ... ok
[INFO] [stdout] test test_solve_equal_rows5 ... ok
[INFO] [stdout] test test_solve_equal_rows2 ... ok
[INFO] [stdout] test test_step1 ... ok
[INFO] [stdout] test test_solve_equal_rows_stepwise ... ok
[INFO] [stdout] test test_should_be_unsolvable_if_first_cell_of_each_row_is_invalid ... ok
[INFO] [stdout] test test_invalid2 ... ok
[INFO] [stdout] test test_solve ... ok
[INFO] [stdout] test test_invalid ... ok
[INFO] [stdout] test test_solve_random10 ... ok
[INFO] [stdout] test test_step2 ... ok
[INFO] [stdout] test test_step3 ... ok
[INFO] [stdout] test test_step4_case1 ... ok
[INFO] [stdout] test test_step4_case2 ... ok
[INFO] [stdout] test test_step5 ... ok
[INFO] [stdout] test test_step6 ... ok
[INFO] [stdout] test test_unsolvable ... ok
[INFO] [stdout] test test_unsolvable2 ... ok
[INFO] [stdout] test weight_matrix::test_weight_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests munkres
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f572891a72dbc291ad658d58da72c4dfb8fac5cd54530fab132cfde33ddabc6"`
[INFO] running `"docker" "rm" "-f" "9f572891a72dbc291ad658d58da72c4dfb8fac5cd54530fab132cfde33ddabc6"`
[INFO] [stdout] 9f572891a72dbc291ad658d58da72c4dfb8fac5cd54530fab132cfde33ddabc6