[INFO] fetching crate memchr 2.2.1...
[INFO] extracting crate memchr 2.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/memchr/2.2.1
[INFO] extracting crate memchr 2.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/memchr/2.2.1
[INFO] validating manifest of memchr-2.2.1 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 memchr-2.2.1 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 memchr-2.2.1
[INFO] finished frobbing memchr-2.2.1
[INFO] frobbed toml for memchr-2.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/memchr/2.2.1/Cargo.toml
[INFO] started frobbing memchr-2.2.1
[INFO] finished frobbing memchr-2.2.1
[INFO] frobbed toml for memchr-2.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/memchr/2.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing memchr-2.2.1 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/memchr/2.2.1:/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] 05f481dd8e53e952423fe0b7aea648086e01c1b61fdea4ee43822ede370af82a
[INFO] running `"docker" "start" "-a" "05f481dd8e53e952423fe0b7aea648086e01c1b61fdea4ee43822ede370af82a"`
[INFO] [stderr]    Compiling memchr v2.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "05f481dd8e53e952423fe0b7aea648086e01c1b61fdea4ee43822ede370af82a"`
[INFO] running `"docker" "rm" "-f" "05f481dd8e53e952423fe0b7aea648086e01c1b61fdea4ee43822ede370af82a"`
[INFO] [stdout] 05f481dd8e53e952423fe0b7aea648086e01c1b61fdea4ee43822ede370af82a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/memchr/2.2.1:/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] e2cda3046ca6ca05c66909aea6296c45b7cb875115fec9ccb6323ba9aed8a3a9
[INFO] running `"docker" "start" "-a" "e2cda3046ca6ca05c66909aea6296c45b7cb875115fec9ccb6323ba9aed8a3a9"`
[INFO] [stderr]    Compiling memchr v2.2.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests/mod.rs:368:17
[INFO] [stderr]     |
[INFO] [stderr] 368 |             let mut padding: String = repeat('%').take(i).collect();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.83s
[INFO] running `"docker" "inspect" "e2cda3046ca6ca05c66909aea6296c45b7cb875115fec9ccb6323ba9aed8a3a9"`
[INFO] running `"docker" "rm" "-f" "e2cda3046ca6ca05c66909aea6296c45b7cb875115fec9ccb6323ba9aed8a3a9"`
[INFO] [stdout] e2cda3046ca6ca05c66909aea6296c45b7cb875115fec9ccb6323ba9aed8a3a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/memchr/2.2.1:/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] e28267862d3cf0889f21055603f89d91b858f43b7d820b648962f81eb5e83f06
[INFO] running `"docker" "start" "-a" "e28267862d3cf0889f21055603f89d91b858f43b7d820b648962f81eb5e83f06"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memchr-6bf660335403a186
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test tests::byte_order ... ok
[INFO] [stdout] test tests::iter::qc_memchr1_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr1_iter_size_hint ... ok
[INFO] [stdout] test tests::iter::qc_memchr1_rev_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr2_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr2_double_ended_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr2_rev_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr3_double_ended_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr3_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr3_rev_iter ... ok
[INFO] [stdout] test tests::iter::qc_memchr_double_ended_iter ... ok
[INFO] [stdout] test tests::iter::memchr2_iter ... ok
[INFO] [stdout] test tests::iter::memrchr2_iter ... ok
[INFO] [stdout] test tests::iter::memchr3_iter ... ok
[INFO] [stdout] test tests::iter::memrchr3_iter ... ok
[INFO] [stdout] test tests::iter::memchr1_iter ... ok
[INFO] [stdout] test tests::iter::memrchr1_iter ... ok
[INFO] [stdout] test tests::memchr::memchr2_find ... ok
[INFO] [stdout] test tests::memchr::memrchr1_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memchr1_find ... ok
[INFO] [stdout] test tests::memchr::memchr1_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memrchr1_find ... ok
[INFO] [stdout] test tests::memchr::qc_memchr1_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memrchr2_fallback_find ... ok
[INFO] [stdout] test tests::memchr::qc_memchr2_matches_naive ... ok
[INFO] [stdout] test tests::memchr::qc_memrchr1_matches_naive ... ok
[INFO] [stdout] test tests::memchr::qc_memrchr2_matches_naive ... ok
[INFO] [stdout] test tests::memchr::qc_memrchr3_matches_naive ... ok
[INFO] [stdout] test tests::memchr::qc_memchr3_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr2_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memrchr2_find ... ok
[INFO] [stdout] test tests::memchr::memchr3_find ... ok
[INFO] [stdout] test tests::memchr::memrchr3_find ... ok
[INFO] [stdout] test tests::memchr::memrchr3_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memchr3_fallback_find ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memchr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - memrchr (line 226) ... ok
[INFO] [stdout] test src/lib.rs - memchr (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e28267862d3cf0889f21055603f89d91b858f43b7d820b648962f81eb5e83f06"`
[INFO] running `"docker" "rm" "-f" "e28267862d3cf0889f21055603f89d91b858f43b7d820b648962f81eb5e83f06"`
[INFO] [stdout] e28267862d3cf0889f21055603f89d91b858f43b7d820b648962f81eb5e83f06