[INFO] crate serial_test 0.2.0 is already in cache
[INFO] testing serial_test-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate serial_test 0.2.0 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate serial_test 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serial_test 0.2.0
[INFO] finished tweaking crates.io crate serial_test 0.2.0
[INFO] tweaked toml for crates.io crate serial_test 0.2.0 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 2f0315bb1f0bcba2e31fcaaeb0138c7d7790d2c500e7061248c9fc51ddda9ce1
[INFO] running `"docker" "start" "-a" "2f0315bb1f0bcba2e31fcaaeb0138c7d7790d2c500e7061248c9fc51ddda9ce1"`
[INFO] [stderr]    Compiling serial_test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "2f0315bb1f0bcba2e31fcaaeb0138c7d7790d2c500e7061248c9fc51ddda9ce1"`
[INFO] running `"docker" "rm" "-f" "2f0315bb1f0bcba2e31fcaaeb0138c7d7790d2c500e7061248c9fc51ddda9ce1"`
[INFO] [stdout] 2f0315bb1f0bcba2e31fcaaeb0138c7d7790d2c500e7061248c9fc51ddda9ce1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e9c4d4796703a1753f0276fafe7b3af3855c1293f608430058141e22417cb3d1
[INFO] running `"docker" "start" "-a" "e9c4d4796703a1753f0276fafe7b3af3855c1293f608430058141e22417cb3d1"`
[INFO] [stderr]    Compiling serial_test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "e9c4d4796703a1753f0276fafe7b3af3855c1293f608430058141e22417cb3d1"`
[INFO] running `"docker" "rm" "-f" "e9c4d4796703a1753f0276fafe7b3af3855c1293f608430058141e22417cb3d1"`
[INFO] [stdout] e9c4d4796703a1753f0276fafe7b3af3855c1293f608430058141e22417cb3d1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 4d24dc30fa7f33c3f6a7c7e9788c986d5a91f02cd57add31d0cc2cffbb94623d
[INFO] running `"docker" "start" "-a" "4d24dc30fa7f33c3f6a7c7e9788c986d5a91f02cd57add31d0cc2cffbb94623d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial_test-66561559afb64d23
[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]      Running /opt/rustwide/target/debug/deps/tests-a88df6d48529eed0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_empty_serial_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial_test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serial_core (line 15) ... 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" "4d24dc30fa7f33c3f6a7c7e9788c986d5a91f02cd57add31d0cc2cffbb94623d"`
[INFO] running `"docker" "rm" "-f" "4d24dc30fa7f33c3f6a7c7e9788c986d5a91f02cd57add31d0cc2cffbb94623d"`
[INFO] [stdout] 4d24dc30fa7f33c3f6a7c7e9788c986d5a91f02cd57add31d0cc2cffbb94623d