[INFO] updating cached repository bluecereal/game_clock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bluecereal/game_clock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/game_clock" "work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/game_clock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/game_clock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bluecereal/game_clock" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/game_clock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/game_clock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fa9bee3cdd14b187e33d7b49ee058c932916731
[INFO] sha for GitHub repo bluecereal/game_clock: 3fa9bee3cdd14b187e33d7b49ee058c932916731
[INFO] validating manifest of bluecereal/game_clock 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 bluecereal/game_clock 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 bluecereal/game_clock
[INFO] finished frobbing bluecereal/game_clock
[INFO] frobbed toml for bluecereal/game_clock written to work/ex/beta-1.38-1/sources/1.37.0/gh/bluecereal/game_clock/Cargo.toml
[INFO] started frobbing bluecereal/game_clock
[INFO] finished frobbing bluecereal/game_clock
[INFO] frobbed toml for bluecereal/game_clock written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bluecereal/game_clock/Cargo.toml
[INFO] crate bluecereal/game_clock 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 bluecereal/game_clock 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-6/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/bluecereal/game_clock:/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] d76db7aa1f0894327315d713a59b8fa958ef98763f0913c3c92872b417c72422
[INFO] running `"docker" "start" "-a" "d76db7aa1f0894327315d713a59b8fa958ef98763f0913c3c92872b417c72422"`
[INFO] [stderr]    Compiling game_clock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     ///Example
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 55 |     let rate = Duration::from_millis(60);
[INFO] [stderr]    |     ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "d76db7aa1f0894327315d713a59b8fa958ef98763f0913c3c92872b417c72422"`
[INFO] running `"docker" "rm" "-f" "d76db7aa1f0894327315d713a59b8fa958ef98763f0913c3c92872b417c72422"`
[INFO] [stdout] d76db7aa1f0894327315d713a59b8fa958ef98763f0913c3c92872b417c72422
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/bluecereal/game_clock:/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] d4892a2c4e023e7182fa00c9aedd664295a07b46408c52e8be4a90b7993034e9
[INFO] running `"docker" "start" "-a" "d4892a2c4e023e7182fa00c9aedd664295a07b46408c52e8be4a90b7993034e9"`
[INFO] [stderr]    Compiling game_clock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     ///Example
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 55 |     let rate = Duration::from_millis(60);
[INFO] [stderr]    |     ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "d4892a2c4e023e7182fa00c9aedd664295a07b46408c52e8be4a90b7993034e9"`
[INFO] running `"docker" "rm" "-f" "d4892a2c4e023e7182fa00c9aedd664295a07b46408c52e8be4a90b7993034e9"`
[INFO] [stdout] d4892a2c4e023e7182fa00c9aedd664295a07b46408c52e8be4a90b7993034e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/bluecereal/game_clock:/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] 8985a96de7d937d411e72196e00a7c9463f22f41e7eea5e935cbd09ae7972c4f
[INFO] running `"docker" "start" "-a" "8985a96de7d937d411e72196e00a7c9463f22f41e7eea5e935cbd09ae7972c4f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/game_clock-8b2fe6a5a12da182
[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" "8985a96de7d937d411e72196e00a7c9463f22f41e7eea5e935cbd09ae7972c4f"`
[INFO] running `"docker" "rm" "-f" "8985a96de7d937d411e72196e00a7c9463f22f41e7eea5e935cbd09ae7972c4f"`
[INFO] [stdout] 8985a96de7d937d411e72196e00a7c9463f22f41e7eea5e935cbd09ae7972c4f