[INFO] crate serde_millis 0.1.1 is already in cache
[INFO] extracting crate serde_millis 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/serde_millis/0.1.1
[INFO] extracting crate serde_millis 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_millis/0.1.1
[INFO] validating manifest of serde_millis-0.1.1 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 serde_millis-0.1.1 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 serde_millis-0.1.1
[INFO] finished frobbing serde_millis-0.1.1
[INFO] frobbed toml for serde_millis-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serde_millis/0.1.1/Cargo.toml
[INFO] started frobbing serde_millis-0.1.1
[INFO] finished frobbing serde_millis-0.1.1
[INFO] frobbed toml for serde_millis-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_millis/0.1.1/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 serde_millis-0.1.1 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-6/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/serde_millis/0.1.1:/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] b54a4170dfd7693fca341fa2927f031e240963743d1325e5171b0d4211361a5d
[INFO] running `"docker" "start" "-a" "b54a4170dfd7693fca341fa2927f031e240963743d1325e5171b0d4211361a5d"`
[INFO] [stderr]    Compiling serde_millis v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/impls.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Ok((UNIX_EPOCH + val))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "b54a4170dfd7693fca341fa2927f031e240963743d1325e5171b0d4211361a5d"`
[INFO] running `"docker" "rm" "-f" "b54a4170dfd7693fca341fa2927f031e240963743d1325e5171b0d4211361a5d"`
[INFO] [stdout] b54a4170dfd7693fca341fa2927f031e240963743d1325e5171b0d4211361a5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/serde_millis/0.1.1:/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] 07a1e4481fc0b8e2ee2323bd8e638d7aa92340489fbdfdcc3d4c664fc99c1bc5
[INFO] running `"docker" "start" "-a" "07a1e4481fc0b8e2ee2323bd8e638d7aa92340489fbdfdcc3d4c664fc99c1bc5"`
[INFO] [stderr]    Compiling serde_millis v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/impls.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Ok((UNIX_EPOCH + val))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "07a1e4481fc0b8e2ee2323bd8e638d7aa92340489fbdfdcc3d4c664fc99c1bc5"`
[INFO] running `"docker" "rm" "-f" "07a1e4481fc0b8e2ee2323bd8e638d7aa92340489fbdfdcc3d4c664fc99c1bc5"`
[INFO] [stdout] 07a1e4481fc0b8e2ee2323bd8e638d7aa92340489fbdfdcc3d4c664fc99c1bc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/serde_millis/0.1.1:/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] a8b350b9d8afc33de6e609c972397cc1660d3da09e71339981246885d7cf88db
[INFO] running `"docker" "start" "-a" "a8b350b9d8afc33de6e609c972397cc1660d3da09e71339981246885d7cf88db"`
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_millis-994b61b2aaba67fd
[INFO] [stdout] test impls::test::test_instant_past ... ok
[INFO] [stdout] test impls::test::test_option ... ok
[INFO] [stdout] test impls::test::test_systemtime_future ... ok
[INFO] [stdout] test impls::test::test_instant_future ... ok
[INFO] [stdout] test impls::test::test_duration ... ok
[INFO] [stdout] test impls::test::test_systemtime_past ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_millis
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a8b350b9d8afc33de6e609c972397cc1660d3da09e71339981246885d7cf88db"`
[INFO] running `"docker" "rm" "-f" "a8b350b9d8afc33de6e609c972397cc1660d3da09e71339981246885d7cf88db"`
[INFO] [stdout] a8b350b9d8afc33de6e609c972397cc1660d3da09e71339981246885d7cf88db