[INFO] updating cached repository MichaelByrneAU/specs_tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MichaelByrneAU/specs_tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MichaelByrneAU/specs_tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MichaelByrneAU/specs_tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelByrneAU/specs_tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelByrneAU/specs_tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1dfd3bd8f8325cdbb3884fb52cb2395125d5467
[INFO] sha for GitHub repo MichaelByrneAU/specs_tutorial: b1dfd3bd8f8325cdbb3884fb52cb2395125d5467
[INFO] validating manifest of MichaelByrneAU/specs_tutorial 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 MichaelByrneAU/specs_tutorial 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 MichaelByrneAU/specs_tutorial
[INFO] finished frobbing MichaelByrneAU/specs_tutorial
[INFO] frobbed toml for MichaelByrneAU/specs_tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial/Cargo.toml
[INFO] started frobbing MichaelByrneAU/specs_tutorial
[INFO] finished frobbing MichaelByrneAU/specs_tutorial
[INFO] frobbed toml for MichaelByrneAU/specs_tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelByrneAU/specs_tutorial/Cargo.toml
[INFO] crate MichaelByrneAU/specs_tutorial 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 MichaelByrneAU/specs_tutorial 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial:/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] 232e403d258362a7f0f3ed6e8e8de18b08404745a854cb8198ec87323b4031f6
[INFO] running `"docker" "start" "-a" "232e403d258362a7f0f3ed6e8e8de18b08404745a854cb8198ec87323b4031f6"`
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.99s
[INFO] running `"docker" "inspect" "232e403d258362a7f0f3ed6e8e8de18b08404745a854cb8198ec87323b4031f6"`
[INFO] running `"docker" "rm" "-f" "232e403d258362a7f0f3ed6e8e8de18b08404745a854cb8198ec87323b4031f6"`
[INFO] [stdout] 232e403d258362a7f0f3ed6e8e8de18b08404745a854cb8198ec87323b4031f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial:/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] a0237c0a602a4480cc2df8d22809fa42011b05b34da7f71f640e63caef5215b0
[INFO] running `"docker" "start" "-a" "a0237c0a602a4480cc2df8d22809fa42011b05b34da7f71f640e63caef5215b0"`
[INFO] [stderr]    Compiling specs_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "a0237c0a602a4480cc2df8d22809fa42011b05b34da7f71f640e63caef5215b0"`
[INFO] running `"docker" "rm" "-f" "a0237c0a602a4480cc2df8d22809fa42011b05b34da7f71f640e63caef5215b0"`
[INFO] [stdout] a0237c0a602a4480cc2df8d22809fa42011b05b34da7f71f640e63caef5215b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelByrneAU/specs_tutorial:/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] c06b0c99d098a81581fa20b35f7e7022a46259a481de317e6dfb45d9e2bfeeb8
[INFO] running `"docker" "start" "-a" "c06b0c99d098a81581fa20b35f7e7022a46259a481de317e6dfb45d9e2bfeeb8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specs_tutorial-0730befa58de166a
[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" "c06b0c99d098a81581fa20b35f7e7022a46259a481de317e6dfb45d9e2bfeeb8"`
[INFO] running `"docker" "rm" "-f" "c06b0c99d098a81581fa20b35f7e7022a46259a481de317e6dfb45d9e2bfeeb8"`
[INFO] [stdout] c06b0c99d098a81581fa20b35f7e7022a46259a481de317e6dfb45d9e2bfeeb8