[INFO] crate cluFlock 0.2.2 is already in cache
[INFO] extracting crate cluFlock 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/cluFlock/0.2.2
[INFO] extracting crate cluFlock 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluFlock/0.2.2
[INFO] validating manifest of cluFlock-0.2.2 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 cluFlock-0.2.2 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 cluFlock-0.2.2
[INFO] finished frobbing cluFlock-0.2.2
[INFO] frobbed toml for cluFlock-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cluFlock/0.2.2/Cargo.toml
[INFO] started frobbing cluFlock-0.2.2
[INFO] finished frobbing cluFlock-0.2.2
[INFO] frobbed toml for cluFlock-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cluFlock/0.2.2/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 cluFlock-0.2.2 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-2/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/cluFlock/0.2.2:/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] a06a6e4497c2331e26c0086096ab0aafca6b8eb4c7df71c8e8cf208c51511cdb
[INFO] running `"docker" "start" "-a" "a06a6e4497c2331e26c0086096ab0aafca6b8eb4c7df71c8e8cf208c51511cdb"`
[INFO] [stderr]    Compiling cluFlock v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/os_release/unix.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl<'a> FlockElement for (AsRawFd + 'a) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn AsRawFd + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "a06a6e4497c2331e26c0086096ab0aafca6b8eb4c7df71c8e8cf208c51511cdb"`
[INFO] running `"docker" "rm" "-f" "a06a6e4497c2331e26c0086096ab0aafca6b8eb4c7df71c8e8cf208c51511cdb"`
[INFO] [stdout] a06a6e4497c2331e26c0086096ab0aafca6b8eb4c7df71c8e8cf208c51511cdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/cluFlock/0.2.2:/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] 4948756d7f406b8ee7da829ac5142730c2f67b49c4818688c65393a63306ab3c
[INFO] running `"docker" "start" "-a" "4948756d7f406b8ee7da829ac5142730c2f67b49c4818688c65393a63306ab3c"`
[INFO] [stderr]    Compiling cluFlock v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/os_release/unix.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl<'a> FlockElement for (AsRawFd + 'a) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn AsRawFd + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "4948756d7f406b8ee7da829ac5142730c2f67b49c4818688c65393a63306ab3c"`
[INFO] running `"docker" "rm" "-f" "4948756d7f406b8ee7da829ac5142730c2f67b49c4818688c65393a63306ab3c"`
[INFO] [stdout] 4948756d7f406b8ee7da829ac5142730c2f67b49c4818688c65393a63306ab3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/cluFlock/0.2.2:/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] 699c760657bad46d3cbf0ec93386534fd0121ab3a1a13dc7fadad4b8c2ed955d
[INFO] running `"docker" "start" "-a" "699c760657bad46d3cbf0ec93386534fd0121ab3a1a13dc7fadad4b8c2ed955d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cluFlock-da249a4767680464
[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 cluFlock
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 65) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/lib.rs -  (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "699c760657bad46d3cbf0ec93386534fd0121ab3a1a13dc7fadad4b8c2ed955d"`
[INFO] running `"docker" "rm" "-f" "699c760657bad46d3cbf0ec93386534fd0121ab3a1a13dc7fadad4b8c2ed955d"`
[INFO] [stdout] 699c760657bad46d3cbf0ec93386534fd0121ab3a1a13dc7fadad4b8c2ed955d