[INFO] updating cached repository pat-St/hasher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pat-St/hasher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pat-St/hasher" "work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pat-St/hasher" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pat-St/hasher"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pat-St/hasher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15194b424580a3f55c66fbfc2ba3f6020cf099ae
[INFO] sha for GitHub repo pat-St/hasher: 15194b424580a3f55c66fbfc2ba3f6020cf099ae
[INFO] validating manifest of pat-St/hasher 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 pat-St/hasher 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 pat-St/hasher
[INFO] finished frobbing pat-St/hasher
[INFO] frobbed toml for pat-St/hasher written to work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher/Cargo.toml
[INFO] started frobbing pat-St/hasher
[INFO] finished frobbing pat-St/hasher
[INFO] frobbed toml for pat-St/hasher written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pat-St/hasher/Cargo.toml
[INFO] crate pat-St/hasher 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 pat-St/hasher 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher:/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] 6830bdc1aaa4cd0871a6ae17cf65771032cebd6cfb326eefb544db688543a8d2
[INFO] running `"docker" "start" "-a" "6830bdc1aaa4cd0871a6ae17cf65771032cebd6cfb326eefb544db688543a8d2"`
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling exercise_03 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `"docker" "inspect" "6830bdc1aaa4cd0871a6ae17cf65771032cebd6cfb326eefb544db688543a8d2"`
[INFO] running `"docker" "rm" "-f" "6830bdc1aaa4cd0871a6ae17cf65771032cebd6cfb326eefb544db688543a8d2"`
[INFO] [stdout] 6830bdc1aaa4cd0871a6ae17cf65771032cebd6cfb326eefb544db688543a8d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher:/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] 44b78bb12f7ebbfbd2df7ff65f4ebb0df0d09a4a75a5017b522f9dcbce3be8e7
[INFO] running `"docker" "start" "-a" "44b78bb12f7ebbfbd2df7ff65f4ebb0df0d09a4a75a5017b522f9dcbce3be8e7"`
[INFO] [stderr]    Compiling exercise_03 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "44b78bb12f7ebbfbd2df7ff65f4ebb0df0d09a4a75a5017b522f9dcbce3be8e7"`
[INFO] running `"docker" "rm" "-f" "44b78bb12f7ebbfbd2df7ff65f4ebb0df0d09a4a75a5017b522f9dcbce3be8e7"`
[INFO] [stdout] 44b78bb12f7ebbfbd2df7ff65f4ebb0df0d09a4a75a5017b522f9dcbce3be8e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pat-St/hasher:/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] b1711f9b5289b5450f629301e9ebaa0680d0acd7468b9aff419edd19593918c0
[INFO] running `"docker" "start" "-a" "b1711f9b5289b5450f629301e9ebaa0680d0acd7468b9aff419edd19593918c0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exercise_03-a31fb088af2fc63f
[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" "b1711f9b5289b5450f629301e9ebaa0680d0acd7468b9aff419edd19593918c0"`
[INFO] running `"docker" "rm" "-f" "b1711f9b5289b5450f629301e9ebaa0680d0acd7468b9aff419edd19593918c0"`
[INFO] [stdout] b1711f9b5289b5450f629301e9ebaa0680d0acd7468b9aff419edd19593918c0