[INFO] updating cached repository CJTozer/rust_play
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CJTozer/rust_play
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CJTozer/rust_play" "work/ex/beta-1.38-1/sources/1.37.0/gh/CJTozer/rust_play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CJTozer/rust_play'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CJTozer/rust_play" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CJTozer/rust_play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CJTozer/rust_play'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7791eb1a592913ed726e43c1ad9a35e855d42fc
[INFO] sha for GitHub repo CJTozer/rust_play: b7791eb1a592913ed726e43c1ad9a35e855d42fc
[INFO] validating manifest of CJTozer/rust_play 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 CJTozer/rust_play 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 CJTozer/rust_play
[INFO] finished frobbing CJTozer/rust_play
[INFO] frobbed toml for CJTozer/rust_play written to work/ex/beta-1.38-1/sources/1.37.0/gh/CJTozer/rust_play/Cargo.toml
[INFO] started frobbing CJTozer/rust_play
[INFO] finished frobbing CJTozer/rust_play
[INFO] frobbed toml for CJTozer/rust_play written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CJTozer/rust_play/Cargo.toml
[INFO] crate CJTozer/rust_play 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 CJTozer/rust_play 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/CJTozer/rust_play:/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] 5ebb5a6f171f7da5b8cb1bde5e707d399f723e9e98665e6ad28803b19a6d76f6
[INFO] running `"docker" "start" "-a" "5ebb5a6f171f7da5b8cb1bde5e707d399f723e9e98665e6ad28803b19a6d76f6"`
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling rusttest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     _watcher: Box<Watcher + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Watcher + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `"docker" "inspect" "5ebb5a6f171f7da5b8cb1bde5e707d399f723e9e98665e6ad28803b19a6d76f6"`
[INFO] running `"docker" "rm" "-f" "5ebb5a6f171f7da5b8cb1bde5e707d399f723e9e98665e6ad28803b19a6d76f6"`
[INFO] [stdout] 5ebb5a6f171f7da5b8cb1bde5e707d399f723e9e98665e6ad28803b19a6d76f6
[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/CJTozer/rust_play:/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] a35ede2edcdad0235d0d5b747f978f050a14012eb3b7f4a02495bea11ce9a59c
[INFO] running `"docker" "start" "-a" "a35ede2edcdad0235d0d5b747f978f050a14012eb3b7f4a02495bea11ce9a59c"`
[INFO] [stderr]    Compiling rusttest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     _watcher: Box<Watcher + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Watcher + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "a35ede2edcdad0235d0d5b747f978f050a14012eb3b7f4a02495bea11ce9a59c"`
[INFO] running `"docker" "rm" "-f" "a35ede2edcdad0235d0d5b747f978f050a14012eb3b7f4a02495bea11ce9a59c"`
[INFO] [stdout] a35ede2edcdad0235d0d5b747f978f050a14012eb3b7f4a02495bea11ce9a59c
[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/CJTozer/rust_play:/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] 3c0febf4e6a3c3691004958d93ece0b0f2bd5c874105146d5802d8fad3931c81
[INFO] running `"docker" "start" "-a" "3c0febf4e6a3c3691004958d93ece0b0f2bd5c874105146d5802d8fad3931c81"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusttest-2099aeccbf7622bb
[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" "3c0febf4e6a3c3691004958d93ece0b0f2bd5c874105146d5802d8fad3931c81"`
[INFO] running `"docker" "rm" "-f" "3c0febf4e6a3c3691004958d93ece0b0f2bd5c874105146d5802d8fad3931c81"`
[INFO] [stdout] 3c0febf4e6a3c3691004958d93ece0b0f2bd5c874105146d5802d8fad3931c81