[INFO] updating cached repository yvan-sraka/tac
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yvan-sraka/tac
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yvan-sraka/tac" "work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yvan-sraka/tac" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yvan-sraka/tac"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yvan-sraka/tac'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c126686681c1ecba2cc9472ba31c7d395d853b3e
[INFO] sha for GitHub repo yvan-sraka/tac: c126686681c1ecba2cc9472ba31c7d395d853b3e
[INFO] validating manifest of yvan-sraka/tac on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yvan-sraka/tac on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yvan-sraka/tac
[INFO] finished frobbing yvan-sraka/tac
[INFO] frobbed toml for yvan-sraka/tac written to work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac/Cargo.toml
[INFO] started frobbing yvan-sraka/tac
[INFO] finished frobbing yvan-sraka/tac
[INFO] frobbed toml for yvan-sraka/tac written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yvan-sraka/tac/Cargo.toml
[INFO] crate yvan-sraka/tac already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing yvan-sraka/tac against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 980a5e6c0cf9d1928c00c3a3d6709891e83822c9127363a4f1a3ebd53d31143d
[INFO] running `"docker" "start" "-a" "980a5e6c0cf9d1928c00c3a3d6709891e83822c9127363a4f1a3ebd53d31143d"`
[INFO] [stderr]    Compiling tac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "980a5e6c0cf9d1928c00c3a3d6709891e83822c9127363a4f1a3ebd53d31143d"`
[INFO] running `"docker" "rm" "-f" "980a5e6c0cf9d1928c00c3a3d6709891e83822c9127363a4f1a3ebd53d31143d"`
[INFO] [stdout] 980a5e6c0cf9d1928c00c3a3d6709891e83822c9127363a4f1a3ebd53d31143d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c7838946e62a518c168dde1233c4740c819d1f2607afcdaaf24a4844415de178
[INFO] running `"docker" "start" "-a" "c7838946e62a518c168dde1233c4740c819d1f2607afcdaaf24a4844415de178"`
[INFO] [stderr]    Compiling tac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "c7838946e62a518c168dde1233c4740c819d1f2607afcdaaf24a4844415de178"`
[INFO] running `"docker" "rm" "-f" "c7838946e62a518c168dde1233c4740c819d1f2607afcdaaf24a4844415de178"`
[INFO] [stdout] c7838946e62a518c168dde1233c4740c819d1f2607afcdaaf24a4844415de178
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/yvan-sraka/tac:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7a8f80b7cb51f8a7d52f2bf3f544e11801554b1c2454b8e51faa114ce194115e
[INFO] running `"docker" "start" "-a" "7a8f80b7cb51f8a7d52f2bf3f544e11801554b1c2454b8e51faa114ce194115e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tac-7cdaeef242688978
[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] running `"docker" "inspect" "7a8f80b7cb51f8a7d52f2bf3f544e11801554b1c2454b8e51faa114ce194115e"`
[INFO] running `"docker" "rm" "-f" "7a8f80b7cb51f8a7d52f2bf3f544e11801554b1c2454b8e51faa114ce194115e"`
[INFO] [stdout] 7a8f80b7cb51f8a7d52f2bf3f544e11801554b1c2454b8e51faa114ce194115e