[INFO] crate membarrier 0.2.1 is already in cache
[INFO] extracting crate membarrier 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/membarrier/0.2.1
[INFO] extracting crate membarrier 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/membarrier/0.2.1
[INFO] validating manifest of membarrier-0.2.1 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 membarrier-0.2.1 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 membarrier-0.2.1
[INFO] finished frobbing membarrier-0.2.1
[INFO] frobbed toml for membarrier-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/membarrier/0.2.1/Cargo.toml
[INFO] started frobbing membarrier-0.2.1
[INFO] finished frobbing membarrier-0.2.1
[INFO] frobbed toml for membarrier-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/membarrier/0.2.1/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 membarrier-0.2.1 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-0/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/membarrier/0.2.1:/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] 1c2a24c7aeae0d3821fff169705c2691ea02cea84fcd1b9b11415d338b02bd29
[INFO] running `"docker" "start" "-a" "1c2a24c7aeae0d3821fff169705c2691ea02cea84fcd1b9b11415d338b02bd29"`
[INFO] [stderr]    Compiling membarrier v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "1c2a24c7aeae0d3821fff169705c2691ea02cea84fcd1b9b11415d338b02bd29"`
[INFO] running `"docker" "rm" "-f" "1c2a24c7aeae0d3821fff169705c2691ea02cea84fcd1b9b11415d338b02bd29"`
[INFO] [stdout] 1c2a24c7aeae0d3821fff169705c2691ea02cea84fcd1b9b11415d338b02bd29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/membarrier/0.2.1:/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] 879bf54ae6f77c963c54a7832cefe830ad9dc02799f87859da285d1a177f37ec
[INFO] running `"docker" "start" "-a" "879bf54ae6f77c963c54a7832cefe830ad9dc02799f87859da285d1a177f37ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling membarrier v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "879bf54ae6f77c963c54a7832cefe830ad9dc02799f87859da285d1a177f37ec"`
[INFO] running `"docker" "rm" "-f" "879bf54ae6f77c963c54a7832cefe830ad9dc02799f87859da285d1a177f37ec"`
[INFO] [stdout] 879bf54ae6f77c963c54a7832cefe830ad9dc02799f87859da285d1a177f37ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/membarrier/0.2.1:/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] 8cd1e8892a6f7a66726c32f8c5b8fe62e5450f2cf1ee7f88cec49ab8fc36e5d9
[INFO] running `"docker" "start" "-a" "8cd1e8892a6f7a66726c32f8c5b8fe62e5450f2cf1ee7f88cec49ab8fc36e5d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/membarrier-8af795510d24afe3
[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/crater/target/debug/deps/membarrier-ff103eb8b0c7d83b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fences ... 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 membarrier
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 37) ... 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" "8cd1e8892a6f7a66726c32f8c5b8fe62e5450f2cf1ee7f88cec49ab8fc36e5d9"`
[INFO] running `"docker" "rm" "-f" "8cd1e8892a6f7a66726c32f8c5b8fe62e5450f2cf1ee7f88cec49ab8fc36e5d9"`
[INFO] [stdout] 8cd1e8892a6f7a66726c32f8c5b8fe62e5450f2cf1ee7f88cec49ab8fc36e5d9