[INFO] updating cached repository howeih/Day-16-Breaking-OTP
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-16-Breaking-OTP
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-16-Breaking-OTP" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-16-Breaking-OTP"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-16-Breaking-OTP'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-16-Breaking-OTP" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88ecf20c196a727418900c85bc3f41c3bcb4688b
[INFO] sha for GitHub repo howeih/Day-16-Breaking-OTP: 88ecf20c196a727418900c85bc3f41c3bcb4688b
[INFO] validating manifest of howeih/Day-16-Breaking-OTP 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 howeih/Day-16-Breaking-OTP 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 howeih/Day-16-Breaking-OTP
[INFO] finished frobbing howeih/Day-16-Breaking-OTP
[INFO] frobbed toml for howeih/Day-16-Breaking-OTP written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-16-Breaking-OTP/Cargo.toml
[INFO] started frobbing howeih/Day-16-Breaking-OTP
[INFO] finished frobbing howeih/Day-16-Breaking-OTP
[INFO] frobbed toml for howeih/Day-16-Breaking-OTP written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP/Cargo.toml
[INFO] crate howeih/Day-16-Breaking-OTP 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 howeih/Day-16-Breaking-OTP against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 64934a8b7d930a4718a23a33954def9a3baf24ec9fc4609d48cb15a6cae90d0c
[INFO] running `"docker" "start" "-a" "64934a8b7d930a4718a23a33954def9a3baf24ec9fc4609d48cb15a6cae90d0c"`
[INFO] [stderr]    Compiling breaking_OTP v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `breaking_OTP` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `breaking_otp`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "64934a8b7d930a4718a23a33954def9a3baf24ec9fc4609d48cb15a6cae90d0c"`
[INFO] running `"docker" "rm" "-f" "64934a8b7d930a4718a23a33954def9a3baf24ec9fc4609d48cb15a6cae90d0c"`
[INFO] [stdout] 64934a8b7d930a4718a23a33954def9a3baf24ec9fc4609d48cb15a6cae90d0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01fbddda22765c2f4c8a924b960b2ecb69ab4df48c9129bb9b5f7a8e7c8140a7
[INFO] running `"docker" "start" "-a" "01fbddda22765c2f4c8a924b960b2ecb69ab4df48c9129bb9b5f7a8e7c8140a7"`
[INFO] [stderr]    Compiling breaking_OTP v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `breaking_OTP` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `breaking_otp`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "01fbddda22765c2f4c8a924b960b2ecb69ab4df48c9129bb9b5f7a8e7c8140a7"`
[INFO] running `"docker" "rm" "-f" "01fbddda22765c2f4c8a924b960b2ecb69ab4df48c9129bb9b5f7a8e7c8140a7"`
[INFO] [stdout] 01fbddda22765c2f4c8a924b960b2ecb69ab4df48c9129bb9b5f7a8e7c8140a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-16-Breaking-OTP:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8d274a8df4b8720553b5842ceeff44c5f7baf7ecbfca6a558f0e5079e23ac31d
[INFO] running `"docker" "start" "-a" "8d274a8df4b8720553b5842ceeff44c5f7baf7ecbfca6a558f0e5079e23ac31d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/breaking_OTP-702a7bac69f8a4c0
[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" "8d274a8df4b8720553b5842ceeff44c5f7baf7ecbfca6a558f0e5079e23ac31d"`
[INFO] running `"docker" "rm" "-f" "8d274a8df4b8720553b5842ceeff44c5f7baf7ecbfca6a558f0e5079e23ac31d"`
[INFO] [stdout] 8d274a8df4b8720553b5842ceeff44c5f7baf7ecbfca6a558f0e5079e23ac31d