[INFO] updating cached repository limitee/cronjob
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/limitee/cronjob
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/limitee/cronjob" "work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/limitee/cronjob" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/limitee/cronjob"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/limitee/cronjob'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94b6edd0e8906f51d18e8184ea16dae2ba14d906
[INFO] sha for GitHub repo limitee/cronjob: 94b6edd0e8906f51d18e8184ea16dae2ba14d906
[INFO] validating manifest of limitee/cronjob 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 limitee/cronjob 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 limitee/cronjob
[INFO] finished frobbing limitee/cronjob
[INFO] frobbed toml for limitee/cronjob written to work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob/Cargo.toml
[INFO] started frobbing limitee/cronjob
[INFO] finished frobbing limitee/cronjob
[INFO] frobbed toml for limitee/cronjob written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/limitee/cronjob/Cargo.toml
[INFO] crate limitee/cronjob 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing limitee/cronjob 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob:/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] ba1ff08429a1981500efa9bb5e499c4fba54405766d964d6a73c7243b3002c88
[INFO] running `"docker" "start" "-a" "ba1ff08429a1981500efa9bb5e499c4fba54405766d964d6a73c7243b3002c88"`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling cronjob v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:240:41
[INFO] [stderr]     |
[INFO] [stderr] 240 |                                 tx.send((x)).unwrap();
[INFO] [stderr]     |                                         ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         tx.send((Local::now())).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `"docker" "inspect" "ba1ff08429a1981500efa9bb5e499c4fba54405766d964d6a73c7243b3002c88"`
[INFO] running `"docker" "rm" "-f" "ba1ff08429a1981500efa9bb5e499c4fba54405766d964d6a73c7243b3002c88"`
[INFO] [stdout] ba1ff08429a1981500efa9bb5e499c4fba54405766d964d6a73c7243b3002c88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob:/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] 5d12776bebee081d37d91c1ceddcb89bd15e96d87d7f811e470de3d29a45141d
[INFO] running `"docker" "start" "-a" "5d12776bebee081d37d91c1ceddcb89bd15e96d87d7f811e470de3d29a45141d"`
[INFO] [stderr]    Compiling cronjob v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:240:41
[INFO] [stderr]     |
[INFO] [stderr] 240 |                                 tx.send((x)).unwrap();
[INFO] [stderr]     |                                         ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:248:33
[INFO] [stderr]     |
[INFO] [stderr] 248 |                         tx.send((Local::now())).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "5d12776bebee081d37d91c1ceddcb89bd15e96d87d7f811e470de3d29a45141d"`
[INFO] running `"docker" "rm" "-f" "5d12776bebee081d37d91c1ceddcb89bd15e96d87d7f811e470de3d29a45141d"`
[INFO] [stdout] 5d12776bebee081d37d91c1ceddcb89bd15e96d87d7f811e470de3d29a45141d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/limitee/cronjob:/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] 06d3268ed18425fe19bdc08ea8863a75050b15632b2fc20ed9078cf5d4210bd5
[INFO] running `"docker" "start" "-a" "06d3268ed18425fe19bdc08ea8863a75050b15632b2fc20ed9078cf5d4210bd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cronjob-fb276b3b929f2a6a
[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]      Running /opt/crater/target/debug/deps/cronjob-aedd78f38404e7a6
[INFO] [stderr]    Doc-tests cronjob
[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] [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" "06d3268ed18425fe19bdc08ea8863a75050b15632b2fc20ed9078cf5d4210bd5"`
[INFO] running `"docker" "rm" "-f" "06d3268ed18425fe19bdc08ea8863a75050b15632b2fc20ed9078cf5d4210bd5"`
[INFO] [stdout] 06d3268ed18425fe19bdc08ea8863a75050b15632b2fc20ed9078cf5d4210bd5