[INFO] crate comp 0.2.1 is already in cache
[INFO] extracting crate comp 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/comp/0.2.1
[INFO] extracting crate comp 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/comp/0.2.1
[INFO] validating manifest of comp-0.2.1 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 comp-0.2.1 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 comp-0.2.1
[INFO] finished frobbing comp-0.2.1
[INFO] frobbed toml for comp-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/comp/0.2.1/Cargo.toml
[INFO] started frobbing comp-0.2.1
[INFO] finished frobbing comp-0.2.1
[INFO] frobbed toml for comp-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/comp/0.2.1/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 comp-0.2.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/comp/0.2.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 838514d3248731bf4c86e16c2b7061998c44426891f0727bcd43412c18d9220f
[INFO] running `"docker" "start" "-a" "838514d3248731bf4c86e16c2b7061998c44426891f0727bcd43412c18d9220f"`
[INFO] [stderr]    Compiling comp v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `"docker" "inspect" "838514d3248731bf4c86e16c2b7061998c44426891f0727bcd43412c18d9220f"`
[INFO] running `"docker" "rm" "-f" "838514d3248731bf4c86e16c2b7061998c44426891f0727bcd43412c18d9220f"`
[INFO] [stdout] 838514d3248731bf4c86e16c2b7061998c44426891f0727bcd43412c18d9220f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/comp/0.2.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04d821b4ed3dd605ace92952686667cdf070afdb2d5fb24ae1b005048afb7abc
[INFO] running `"docker" "start" "-a" "04d821b4ed3dd605ace92952686667cdf070afdb2d5fb24ae1b005048afb7abc"`
[INFO] [stderr]    Compiling comp v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "04d821b4ed3dd605ace92952686667cdf070afdb2d5fb24ae1b005048afb7abc"`
[INFO] running `"docker" "rm" "-f" "04d821b4ed3dd605ace92952686667cdf070afdb2d5fb24ae1b005048afb7abc"`
[INFO] [stdout] 04d821b4ed3dd605ace92952686667cdf070afdb2d5fb24ae1b005048afb7abc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/comp/0.2.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 05af9e3b5ee404431f0fbf1f5bcd691f4f6577fed6e2aba2fcb8199aa1133ca6
[INFO] running `"docker" "start" "-a" "05af9e3b5ee404431f0fbf1f5bcd691f4f6577fed6e2aba2fcb8199aa1133ca6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/comp-fa641aeebb7050ed
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_comments ... ok
[INFO] [stdout] test tests::test_block ... ok
[INFO] [stdout] test tests::test_guard ... ok
[INFO] [stdout] test tests::test_ignore ... ok
[INFO] [stdout] test tests::test_array ... ok
[INFO] [stdout] test tests::test_if_expression ... ok
[INFO] [stdout] test tests::test_mut ... ok
[INFO] [stdout] test tests::test_statement ... ok
[INFO] [stdout] test tests::test_pattern ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_nested ... ok
[INFO] [stderr]    Doc-tests comp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs -  (line 151) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 247) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 111) ... ok
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] test src/lib.rs -  (line 180) ... ok
[INFO] [stdout] test src/lib.rs -  (line 203) ... ok
[INFO] [stdout] test src/lib.rs -  (line 230) ... ok
[INFO] [stdout] test src/lib.rs -  (line 287) ... ok
[INFO] [stdout] test src/lib.rs -  (line 271) ... ok
[INFO] [stdout] test src/lib.rs -  (line 305) ... ok
[INFO] [stdout] test src/lib.rs -  (line 346) ... ok
[INFO] [stdout] test src/lib.rs -  (line 75) ... ok
[INFO] [stdout] test src/lib.rs -  (line 93) ... ok
[INFO] [stdout] test src/lib.rs -  (line 365) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] test src/lib.rs -  (line 322) ... ok
[INFO] [stdout] test src/lib.rs -  (line 403) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 247) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:260:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   a + b;
[INFO] [stdout]    |   ^^^^^ expected (), found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `()`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 247)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 16 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "05af9e3b5ee404431f0fbf1f5bcd691f4f6577fed6e2aba2fcb8199aa1133ca6"`
[INFO] running `"docker" "rm" "-f" "05af9e3b5ee404431f0fbf1f5bcd691f4f6577fed6e2aba2fcb8199aa1133ca6"`
[INFO] [stdout] 05af9e3b5ee404431f0fbf1f5bcd691f4f6577fed6e2aba2fcb8199aa1133ca6