[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 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-3/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 71d84c42ef50476843b26164d4dc81f954037b967942c0f098f7cd1815de983e
[INFO] running `"docker" "start" "-a" "71d84c42ef50476843b26164d4dc81f954037b967942c0f098f7cd1815de983e"`
[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 5.27s
[INFO] running `"docker" "inspect" "71d84c42ef50476843b26164d4dc81f954037b967942c0f098f7cd1815de983e"`
[INFO] running `"docker" "rm" "-f" "71d84c42ef50476843b26164d4dc81f954037b967942c0f098f7cd1815de983e"`
[INFO] [stdout] 71d84c42ef50476843b26164d4dc81f954037b967942c0f098f7cd1815de983e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 950d34edd606b1cde2af7304dcc4ac7f53ea598cf3fe0a2f7cbf1fe6d8069dd9
[INFO] running `"docker" "start" "-a" "950d34edd606b1cde2af7304dcc4ac7f53ea598cf3fe0a2f7cbf1fe6d8069dd9"`
[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 0.98s
[INFO] running `"docker" "inspect" "950d34edd606b1cde2af7304dcc4ac7f53ea598cf3fe0a2f7cbf1fe6d8069dd9"`
[INFO] running `"docker" "rm" "-f" "950d34edd606b1cde2af7304dcc4ac7f53ea598cf3fe0a2f7cbf1fe6d8069dd9"`
[INFO] [stdout] 950d34edd606b1cde2af7304dcc4ac7f53ea598cf3fe0a2f7cbf1fe6d8069dd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d90e346d5b5590a2d05d960397d4f90b302e65546db79158f5feebf5fd104bd0
[INFO] running `"docker" "start" "-a" "d90e346d5b5590a2d05d960397d4f90b302e65546db79158f5feebf5fd104bd0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hw2-ad79d2a9c105ec80
[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" "d90e346d5b5590a2d05d960397d4f90b302e65546db79158f5feebf5fd104bd0"`
[INFO] running `"docker" "rm" "-f" "d90e346d5b5590a2d05d960397d4f90b302e65546db79158f5feebf5fd104bd0"`
[INFO] [stdout] d90e346d5b5590a2d05d960397d4f90b302e65546db79158f5feebf5fd104bd0