[INFO] crate linecount 0.1.0 is already in cache
[INFO] extracting crate linecount 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/linecount/0.1.0
[INFO] extracting crate linecount 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/linecount/0.1.0
[INFO] validating manifest of linecount-0.1.0 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 linecount-0.1.0 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 linecount-0.1.0
[INFO] finished frobbing linecount-0.1.0
[INFO] frobbed toml for linecount-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/linecount/0.1.0/Cargo.toml
[INFO] started frobbing linecount-0.1.0
[INFO] finished frobbing linecount-0.1.0
[INFO] frobbed toml for linecount-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/linecount/0.1.0/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 linecount-0.1.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/linecount/0.1.0:/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] 39229156bf231fcad63ba5b591b4053616d584552b0066ca5d4da63ed0795d1c
[INFO] running `"docker" "start" "-a" "39229156bf231fcad63ba5b591b4053616d584552b0066ca5d4da63ed0795d1c"`
[INFO] [stderr]    Compiling linecount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "39229156bf231fcad63ba5b591b4053616d584552b0066ca5d4da63ed0795d1c"`
[INFO] running `"docker" "rm" "-f" "39229156bf231fcad63ba5b591b4053616d584552b0066ca5d4da63ed0795d1c"`
[INFO] [stdout] 39229156bf231fcad63ba5b591b4053616d584552b0066ca5d4da63ed0795d1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/linecount/0.1.0:/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] a4a6504db54de0b28904aa84446357e7bf896d5d02c17c75127640c3a0ffcd5f
[INFO] running `"docker" "start" "-a" "a4a6504db54de0b28904aa84446357e7bf896d5d02c17c75127640c3a0ffcd5f"`
[INFO] [stderr]    Compiling linecount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a4a6504db54de0b28904aa84446357e7bf896d5d02c17c75127640c3a0ffcd5f"`
[INFO] running `"docker" "rm" "-f" "a4a6504db54de0b28904aa84446357e7bf896d5d02c17c75127640c3a0ffcd5f"`
[INFO] [stdout] a4a6504db54de0b28904aa84446357e7bf896d5d02c17c75127640c3a0ffcd5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/linecount/0.1.0:/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] 043f5044d40a6666dbb9f25c054149d33d99ab6ab25b34a6381cddab2ac40abd
[INFO] running `"docker" "start" "-a" "043f5044d40a6666dbb9f25c054149d33d99ab6ab25b34a6381cddab2ac40abd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linecount-e2830ad9716c32e8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_count_lines ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lc-fb70e4d96c7cc1f4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]    Doc-tests linecount
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - count_lines (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - count_lines (line 19) stdout ----
[INFO] [stdout] error: expected one of `::`, `;`, or `as`, found `let`
[INFO] [stdout]  --> src/lib.rs:21:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linecount::count_lines
[INFO] [stdout]   |                           - help: a semicolon may be missing here
[INFO] [stdout] 5 | let lines: usize = count_lines(std::fs::File.open("foo.txt").unwrap()).unwrap()
[INFO] [stdout]   | ^^^
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, or an operator, found `}`
[INFO] [stdout]  --> src/lib.rs:22:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | let lines: usize = count_lines(std::fs::File.open("foo.txt").unwrap()).unwrap()
[INFO] [stdout]   |                                                                                - expected one of `.`, `;`, `?`, or an operator here
[INFO] [stdout] 6 | }
[INFO] [stdout]   | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - count_lines (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "043f5044d40a6666dbb9f25c054149d33d99ab6ab25b34a6381cddab2ac40abd"`
[INFO] running `"docker" "rm" "-f" "043f5044d40a6666dbb9f25c054149d33d99ab6ab25b34a6381cddab2ac40abd"`
[INFO] [stdout] 043f5044d40a6666dbb9f25c054149d33d99ab6ab25b34a6381cddab2ac40abd