[INFO] updating cached repository ashleygwilliams/asserts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashleygwilliams/asserts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashleygwilliams/asserts" "work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashleygwilliams/asserts" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleygwilliams/asserts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleygwilliams/asserts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2169111758ebf1bda4e8e38c6f670e6cbf5fce9
[INFO] sha for GitHub repo ashleygwilliams/asserts: a2169111758ebf1bda4e8e38c6f670e6cbf5fce9
[INFO] validating manifest of ashleygwilliams/asserts 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 ashleygwilliams/asserts 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 ashleygwilliams/asserts
[INFO] finished frobbing ashleygwilliams/asserts
[INFO] frobbed toml for ashleygwilliams/asserts written to work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts/Cargo.toml
[INFO] started frobbing ashleygwilliams/asserts
[INFO] finished frobbing ashleygwilliams/asserts
[INFO] frobbed toml for ashleygwilliams/asserts written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleygwilliams/asserts/Cargo.toml
[INFO] crate ashleygwilliams/asserts 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ashleygwilliams/asserts 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts:/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] 282c0c45b0a03ade0bd274227328a4727938913f74757f16f5ad4c0041f8ad49
[INFO] running `"docker" "start" "-a" "282c0c45b0a03ade0bd274227328a4727938913f74757f16f5ad4c0041f8ad49"`
[INFO] [stderr]    Compiling assert_ne v0.2.5
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling asserts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "282c0c45b0a03ade0bd274227328a4727938913f74757f16f5ad4c0041f8ad49"`
[INFO] running `"docker" "rm" "-f" "282c0c45b0a03ade0bd274227328a4727938913f74757f16f5ad4c0041f8ad49"`
[INFO] [stdout] 282c0c45b0a03ade0bd274227328a4727938913f74757f16f5ad4c0041f8ad49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts:/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] a9f0e34b0113310bcea58806c5aaed51ace2f02c2e7f88350f95d32c11826e6f
[INFO] running `"docker" "start" "-a" "a9f0e34b0113310bcea58806c5aaed51ace2f02c2e7f88350f95d32c11826e6f"`
[INFO] [stderr]    Compiling asserts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a9f0e34b0113310bcea58806c5aaed51ace2f02c2e7f88350f95d32c11826e6f"`
[INFO] running `"docker" "rm" "-f" "a9f0e34b0113310bcea58806c5aaed51ace2f02c2e7f88350f95d32c11826e6f"`
[INFO] [stdout] a9f0e34b0113310bcea58806c5aaed51ace2f02c2e7f88350f95d32c11826e6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ashleygwilliams/asserts:/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] dd2e0c0186b2822e5ecd87cace519e449de9038fbc8ad6888a33757fe5ccf560
[INFO] running `"docker" "start" "-a" "dd2e0c0186b2822e5ecd87cace519e449de9038fbc8ad6888a33757fe5ccf560"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/asserts-351ae9cbdc7f4904
[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] [stderr]    Doc-tests asserts
[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" "dd2e0c0186b2822e5ecd87cace519e449de9038fbc8ad6888a33757fe5ccf560"`
[INFO] running `"docker" "rm" "-f" "dd2e0c0186b2822e5ecd87cace519e449de9038fbc8ad6888a33757fe5ccf560"`
[INFO] [stdout] dd2e0c0186b2822e5ecd87cace519e449de9038fbc8ad6888a33757fe5ccf560