[INFO] updating cached repository utrescu/Rust-Semafors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/utrescu/Rust-Semafors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/utrescu/Rust-Semafors" "work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/utrescu/Rust-Semafors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/utrescu/Rust-Semafors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/utrescu/Rust-Semafors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86fb95647d6687dabb05d66201fb59d8cf7db000
[INFO] sha for GitHub repo utrescu/Rust-Semafors: 86fb95647d6687dabb05d66201fb59d8cf7db000
[INFO] validating manifest of utrescu/Rust-Semafors 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 utrescu/Rust-Semafors 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 utrescu/Rust-Semafors
[INFO] finished frobbing utrescu/Rust-Semafors
[INFO] frobbed toml for utrescu/Rust-Semafors written to work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors/Cargo.toml
[INFO] started frobbing utrescu/Rust-Semafors
[INFO] finished frobbing utrescu/Rust-Semafors
[INFO] frobbed toml for utrescu/Rust-Semafors written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/utrescu/Rust-Semafors/Cargo.toml
[INFO] crate utrescu/Rust-Semafors already has a lockfile, it will not be regenerated
[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 utrescu/Rust-Semafors 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors:/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] 26e8f7315d92f584b5310f0f6c997c36e05a30a758d15a32fc793d4fce5e539f
[INFO] running `"docker" "start" "-a" "26e8f7315d92f584b5310f0f6c997c36e05a30a758d15a32fc793d4fce5e539f"`
[INFO] [stderr]    Compiling semafors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "26e8f7315d92f584b5310f0f6c997c36e05a30a758d15a32fc793d4fce5e539f"`
[INFO] running `"docker" "rm" "-f" "26e8f7315d92f584b5310f0f6c997c36e05a30a758d15a32fc793d4fce5e539f"`
[INFO] [stdout] 26e8f7315d92f584b5310f0f6c997c36e05a30a758d15a32fc793d4fce5e539f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors:/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] 712bcb7993af2caf2bc1cd59069e9b6c1e638e28555fc6cdb003c84672986299
[INFO] running `"docker" "start" "-a" "712bcb7993af2caf2bc1cd59069e9b6c1e638e28555fc6cdb003c84672986299"`
[INFO] [stderr]    Compiling semafors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "712bcb7993af2caf2bc1cd59069e9b6c1e638e28555fc6cdb003c84672986299"`
[INFO] running `"docker" "rm" "-f" "712bcb7993af2caf2bc1cd59069e9b6c1e638e28555fc6cdb003c84672986299"`
[INFO] [stdout] 712bcb7993af2caf2bc1cd59069e9b6c1e638e28555fc6cdb003c84672986299
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/utrescu/Rust-Semafors:/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] df87d0f6a1f8dfca73d13f3ae738d0312a306775b8080acce9c345f5901ab5f9
[INFO] running `"docker" "start" "-a" "df87d0f6a1f8dfca73d13f3ae738d0312a306775b8080acce9c345f5901ab5f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/semafors-65692fbbae0172a1
[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" "df87d0f6a1f8dfca73d13f3ae738d0312a306775b8080acce9c345f5901ab5f9"`
[INFO] running `"docker" "rm" "-f" "df87d0f6a1f8dfca73d13f3ae738d0312a306775b8080acce9c345f5901ab5f9"`
[INFO] [stdout] df87d0f6a1f8dfca73d13f3ae738d0312a306775b8080acce9c345f5901ab5f9