[INFO] fetching crate linecount 0.1.0...
[INFO] testing linecount-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate linecount 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linecount 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linecount 0.1.0
[INFO] finished tweaking crates.io crate linecount 0.1.0
[INFO] tweaked toml for crates.io crate linecount 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f71fa7a42e5c1b1134c25886e3c5fd7629f0618dbf14506ff763156c3da7780c
[INFO] running `Command { std: "docker" "start" "-a" "f71fa7a42e5c1b1134c25886e3c5fd7629f0618dbf14506ff763156c3da7780c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71fa7a42e5c1b1134c25886e3c5fd7629f0618dbf14506ff763156c3da7780c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71fa7a42e5c1b1134c25886e3c5fd7629f0618dbf14506ff763156c3da7780c", kill_on_drop: false }`
[INFO] [stdout] f71fa7a42e5c1b1134c25886e3c5fd7629f0618dbf14506ff763156c3da7780c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b5f5d58deeacdd3df08d04a49ee168941b2dbde4216639c26b694bc6525c04
[INFO] running `Command { std: "docker" "start" "-a" "20b5f5d58deeacdd3df08d04a49ee168941b2dbde4216639c26b694bc6525c04", kill_on_drop: false }`
[INFO] [stderr]    Compiling linecount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "20b5f5d58deeacdd3df08d04a49ee168941b2dbde4216639c26b694bc6525c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b5f5d58deeacdd3df08d04a49ee168941b2dbde4216639c26b694bc6525c04", kill_on_drop: false }`
[INFO] [stdout] 20b5f5d58deeacdd3df08d04a49ee168941b2dbde4216639c26b694bc6525c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7303731cd99de0f75799b9d86edb1896f4ca8e1eab9c9a30f1b281c67a6d77
[INFO] running `Command { std: "docker" "start" "-a" "9e7303731cd99de0f75799b9d86edb1896f4ca8e1eab9c9a30f1b281c67a6d77", kill_on_drop: false }`
[INFO] [stderr]    Compiling linecount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9e7303731cd99de0f75799b9d86edb1896f4ca8e1eab9c9a30f1b281c67a6d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7303731cd99de0f75799b9d86edb1896f4ca8e1eab9c9a30f1b281c67a6d77", kill_on_drop: false }`
[INFO] [stdout] 9e7303731cd99de0f75799b9d86edb1896f4ca8e1eab9c9a30f1b281c67a6d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d935a96f38ba98353c876f7951cb9957976d4af04508b3d6ffcfc689a56836c7
[INFO] running `Command { std: "docker" "start" "-a" "d935a96f38ba98353c876f7951cb9957976d4af04508b3d6ffcfc689a56836c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linecount-1b7b901680b0d460)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lc-ba4b3acdeb0b92f6)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_count_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[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 `;`, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:20:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linecount::count_lines
[INFO] [stdout]   |                           ^ help: add `;` here
[INFO] [stdout] 5 | let lines: usize = count_lines(std::fs::File.open("foo.txt").unwrap()).unwrap()
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]  --> src/lib.rs:21:80
[INFO] [stdout]   |
[INFO] [stdout] 5 | let lines: usize = count_lines(std::fs::File.open("foo.txt").unwrap()).unwrap()
[INFO] [stdout]   |                                                                                ^ help: add `;` here
[INFO] [stdout] 6 | } _doctest_main_src_lib_rs_19_0() }
[INFO] [stdout]   | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found struct `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:21:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | let lines: usize = count_lines(std::fs::File.open("foo.txt").unwrap()).unwrap()
[INFO] [stdout]   |                                ^^^^^^^^^^^^^-----
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                help: use the path separator to refer to an item: `std::fs::File::open`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[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; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d935a96f38ba98353c876f7951cb9957976d4af04508b3d6ffcfc689a56836c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d935a96f38ba98353c876f7951cb9957976d4af04508b3d6ffcfc689a56836c7", kill_on_drop: false }`
[INFO] [stdout] d935a96f38ba98353c876f7951cb9957976d4af04508b3d6ffcfc689a56836c7