[INFO] updating cached repository barafael/cortex_crc-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/barafael/cortex_crc-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/barafael/cortex_crc-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/barafael/cortex_crc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/barafael/cortex_crc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/barafael/cortex_crc-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barafael/cortex_crc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barafael/cortex_crc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78e30fab4905690aa720a6ef0af976fd9c1e0d32
[INFO] sha for GitHub repo barafael/cortex_crc-rs: 78e30fab4905690aa720a6ef0af976fd9c1e0d32
[INFO] validating manifest of barafael/cortex_crc-rs 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 barafael/cortex_crc-rs 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 barafael/cortex_crc-rs
[INFO] finished frobbing barafael/cortex_crc-rs
[INFO] frobbed toml for barafael/cortex_crc-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/barafael/cortex_crc-rs/Cargo.toml
[INFO] started frobbing barafael/cortex_crc-rs
[INFO] finished frobbing barafael/cortex_crc-rs
[INFO] frobbed toml for barafael/cortex_crc-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/barafael/cortex_crc-rs/Cargo.toml
[INFO] crate barafael/cortex_crc-rs 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 barafael/cortex_crc-rs 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/barafael/cortex_crc-rs:/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] 374e742b8b2980ab6063201a3379a7e33e466ef251d2d662a5d4029b8bffc76d
[INFO] running `"docker" "start" "-a" "374e742b8b2980ab6063201a3379a7e33e466ef251d2d662a5d4029b8bffc76d"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling cortex_crc-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 31.90s
[INFO] running `"docker" "inspect" "374e742b8b2980ab6063201a3379a7e33e466ef251d2d662a5d4029b8bffc76d"`
[INFO] running `"docker" "rm" "-f" "374e742b8b2980ab6063201a3379a7e33e466ef251d2d662a5d4029b8bffc76d"`
[INFO] [stdout] 374e742b8b2980ab6063201a3379a7e33e466ef251d2d662a5d4029b8bffc76d
[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/barafael/cortex_crc-rs:/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] eb5e4cfc84d11aec0e5f7b25225c85860db298244e2ab4a3a3de9f9b8b674b44
[INFO] running `"docker" "start" "-a" "eb5e4cfc84d11aec0e5f7b25225c85860db298244e2ab4a3a3de9f9b8b674b44"`
[INFO] [stderr]    Compiling cortex_crc-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "eb5e4cfc84d11aec0e5f7b25225c85860db298244e2ab4a3a3de9f9b8b674b44"`
[INFO] running `"docker" "rm" "-f" "eb5e4cfc84d11aec0e5f7b25225c85860db298244e2ab4a3a3de9f9b8b674b44"`
[INFO] [stdout] eb5e4cfc84d11aec0e5f7b25225c85860db298244e2ab4a3a3de9f9b8b674b44
[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/barafael/cortex_crc-rs:/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] 2096b085544b7454e0cc65f3e06e6f6aaf81afdec27ec1e11457c85cf9cdd23f
[INFO] running `"docker" "start" "-a" "2096b085544b7454e0cc65f3e06e6f6aaf81afdec27ec1e11457c85cf9cdd23f"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cortex_crc_rs-f00427b8666a83ff
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_reference_crc_is_zero ... ok
[INFO] [stdout] test tests::test_random_data ... ok
[INFO] [stdout] test tests::test_reference_simple_crc ... ok
[INFO] [stdout] test tests::test_rust_crc_works ... ok
[INFO] [stdout] test tests::test_rust_crc_is_zero ... ok
[INFO] [stdout] test tests::test_sized ... ok
[INFO] [stdout] test tests::test_sized_empty ... ok
[INFO] [stdout] test tests::test_empty_arr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cortex_crc-rs
[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" "2096b085544b7454e0cc65f3e06e6f6aaf81afdec27ec1e11457c85cf9cdd23f"`
[INFO] running `"docker" "rm" "-f" "2096b085544b7454e0cc65f3e06e6f6aaf81afdec27ec1e11457c85cf9cdd23f"`
[INFO] [stdout] 2096b085544b7454e0cc65f3e06e6f6aaf81afdec27ec1e11457c85cf9cdd23f