[INFO] crate seqlock 0.1.1 is already in cache
[INFO] extracting crate seqlock 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/seqlock/0.1.1
[INFO] extracting crate seqlock 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/seqlock/0.1.1
[INFO] validating manifest of seqlock-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 seqlock-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 seqlock-0.1.1
[INFO] finished frobbing seqlock-0.1.1
[INFO] frobbed toml for seqlock-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/seqlock/0.1.1/Cargo.toml
[INFO] started frobbing seqlock-0.1.1
[INFO] finished frobbing seqlock-0.1.1
[INFO] frobbed toml for seqlock-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/seqlock/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 seqlock-0.1.1 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/seqlock/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ff2445bc37f3d11b9da470d9742c7c70bd862c9cf53102ce5e28c6da4be21ebb
[INFO] running `"docker" "start" "-a" "ff2445bc37f3d11b9da470d9742c7c70bd862c9cf53102ce5e28c6da4be21ebb"`
[INFO] [stderr]    Compiling parking_lot v0.2.8
[INFO] [stderr]    Compiling seqlock v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         unsafe { self.data.into_inner() }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "ff2445bc37f3d11b9da470d9742c7c70bd862c9cf53102ce5e28c6da4be21ebb"`
[INFO] running `"docker" "rm" "-f" "ff2445bc37f3d11b9da470d9742c7c70bd862c9cf53102ce5e28c6da4be21ebb"`
[INFO] [stdout] ff2445bc37f3d11b9da470d9742c7c70bd862c9cf53102ce5e28c6da4be21ebb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/seqlock/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c4c3db97ba3d9663e6f713454742ffacca14f63b88d2f1783bb7f691cb9479e
[INFO] running `"docker" "start" "-a" "2c4c3db97ba3d9663e6f713454742ffacca14f63b88d2f1783bb7f691cb9479e"`
[INFO] [stderr]    Compiling seqlock v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         unsafe { self.data.into_inner() }
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "2c4c3db97ba3d9663e6f713454742ffacca14f63b88d2f1783bb7f691cb9479e"`
[INFO] running `"docker" "rm" "-f" "2c4c3db97ba3d9663e6f713454742ffacca14f63b88d2f1783bb7f691cb9479e"`
[INFO] [stdout] 2c4c3db97ba3d9663e6f713454742ffacca14f63b88d2f1783bb7f691cb9479e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/seqlock/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a0d407a5864e0c5cc787f9e9a4034677c1c94ce6944b9f35e5e290adf29f83f8
[INFO] running `"docker" "start" "-a" "a0d407a5864e0c5cc787f9e9a4034677c1c94ce6944b9f35e5e290adf29f83f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/seqlock-2c5c165727bbe29a
[INFO] [stderr]    Doc-tests seqlock
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 44) ... 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" "a0d407a5864e0c5cc787f9e9a4034677c1c94ce6944b9f35e5e290adf29f83f8"`
[INFO] running `"docker" "rm" "-f" "a0d407a5864e0c5cc787f9e9a4034677c1c94ce6944b9f35e5e290adf29f83f8"`
[INFO] [stdout] a0d407a5864e0c5cc787f9e9a4034677c1c94ce6944b9f35e5e290adf29f83f8