[INFO] updating cached repository cbreeden/m833hw
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cbreeden/m833hw
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cbreeden/m833hw" "work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cbreeden/m833hw" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/m833hw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/m833hw'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee445e2ab0081aae4a15fb733bb3dc991aaec47d
[INFO] sha for GitHub repo cbreeden/m833hw: ee445e2ab0081aae4a15fb733bb3dc991aaec47d
[INFO] validating manifest of cbreeden/m833hw 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 cbreeden/m833hw 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 cbreeden/m833hw
[INFO] finished frobbing cbreeden/m833hw
[INFO] frobbed toml for cbreeden/m833hw written to work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw/Cargo.toml
[INFO] started frobbing cbreeden/m833hw
[INFO] finished frobbing cbreeden/m833hw
[INFO] frobbed toml for cbreeden/m833hw written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cbreeden/m833hw/Cargo.toml
[INFO] crate cbreeden/m833hw 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 cbreeden/m833hw 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw:/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] 9ff65efbe9954c577685b96d70806a21619008466c00390837e96b629d9218ef
[INFO] running `"docker" "start" "-a" "9ff65efbe9954c577685b96d70806a21619008466c00390837e96b629d9218ef"`
[INFO] [stderr]    Compiling either v1.0.3
[INFO] [stderr]    Compiling statrs v0.5.1
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling hw2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant `n` should have an upper case name
[INFO] [stderr]    --> src/main.rs:242:15
[INFO] [stderr]     |
[INFO] [stderr] 242 |         const n: usize = 1_000;
[INFO] [stderr]     |               ^ help: convert the identifier to upper case: `N`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `"docker" "inspect" "9ff65efbe9954c577685b96d70806a21619008466c00390837e96b629d9218ef"`
[INFO] running `"docker" "rm" "-f" "9ff65efbe9954c577685b96d70806a21619008466c00390837e96b629d9218ef"`
[INFO] [stdout] 9ff65efbe9954c577685b96d70806a21619008466c00390837e96b629d9218ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw:/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] 870de08ca7547a2e35a93a43f58698513b4e1e1e2c9b5c7445beb5c3df1c9f10
[INFO] running `"docker" "start" "-a" "870de08ca7547a2e35a93a43f58698513b4e1e1e2c9b5c7445beb5c3df1c9f10"`
[INFO] [stderr]    Compiling hw2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant `n` should have an upper case name
[INFO] [stderr]    --> src/main.rs:242:15
[INFO] [stderr]     |
[INFO] [stderr] 242 |         const n: usize = 1_000;
[INFO] [stderr]     |               ^ help: convert the identifier to upper case: `N`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "870de08ca7547a2e35a93a43f58698513b4e1e1e2c9b5c7445beb5c3df1c9f10"`
[INFO] running `"docker" "rm" "-f" "870de08ca7547a2e35a93a43f58698513b4e1e1e2c9b5c7445beb5c3df1c9f10"`
[INFO] [stdout] 870de08ca7547a2e35a93a43f58698513b4e1e1e2c9b5c7445beb5c3df1c9f10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cbreeden/m833hw:/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] 208d57a113710a97d2e8a03936df8412f6d846ea8399479bda6883ddecf06a2f
[INFO] running `"docker" "start" "-a" "208d57a113710a97d2e8a03936df8412f6d846ea8399479bda6883ddecf06a2f"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hw2-2e1ab51b30848870
[INFO] running `"docker" "inspect" "208d57a113710a97d2e8a03936df8412f6d846ea8399479bda6883ddecf06a2f"`
[INFO] running `"docker" "rm" "-f" "208d57a113710a97d2e8a03936df8412f6d846ea8399479bda6883ddecf06a2f"`
[INFO] [stdout] 208d57a113710a97d2e8a03936df8412f6d846ea8399479bda6883ddecf06a2f