[INFO] updating cached repository emeraldinspirations/offset_calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emeraldinspirations/offset_calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emeraldinspirations/offset_calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/emeraldinspirations/offset_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/emeraldinspirations/offset_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emeraldinspirations/offset_calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emeraldinspirations/offset_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emeraldinspirations/offset_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09efb0a2e9f9453e51e46e782f93d31cbe27134e
[INFO] sha for GitHub repo emeraldinspirations/offset_calculator: 09efb0a2e9f9453e51e46e782f93d31cbe27134e
[INFO] validating manifest of emeraldinspirations/offset_calculator 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 emeraldinspirations/offset_calculator 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 emeraldinspirations/offset_calculator
[INFO] finished frobbing emeraldinspirations/offset_calculator
[INFO] frobbed toml for emeraldinspirations/offset_calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/emeraldinspirations/offset_calculator/Cargo.toml
[INFO] started frobbing emeraldinspirations/offset_calculator
[INFO] finished frobbing emeraldinspirations/offset_calculator
[INFO] frobbed toml for emeraldinspirations/offset_calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/emeraldinspirations/offset_calculator/Cargo.toml
[INFO] crate emeraldinspirations/offset_calculator 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 emeraldinspirations/offset_calculator 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-0/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/emeraldinspirations/offset_calculator:/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] bfe061fa553bf71b4c53de791daf79c8f09976626132c2ffdea52c77ddc0420e
[INFO] running `"docker" "start" "-a" "bfe061fa553bf71b4c53de791daf79c8f09976626132c2ffdea52c77ddc0420e"`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.12.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling offset_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `chrono::offset::TimeZone`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::offset::TimeZone;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   writeln!(writer, "Expires:\t{}", date_text);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::offset::TimeZone`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::offset::TimeZone;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   writeln!(writer, "Expires:\t{}", date_text);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `"docker" "inspect" "bfe061fa553bf71b4c53de791daf79c8f09976626132c2ffdea52c77ddc0420e"`
[INFO] running `"docker" "rm" "-f" "bfe061fa553bf71b4c53de791daf79c8f09976626132c2ffdea52c77ddc0420e"`
[INFO] [stdout] bfe061fa553bf71b4c53de791daf79c8f09976626132c2ffdea52c77ddc0420e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/emeraldinspirations/offset_calculator:/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] 049cef8cded02fe33b548d709906e75ed8df93bd2122d7d37d42007c7ad3e814
[INFO] running `"docker" "start" "-a" "049cef8cded02fe33b548d709906e75ed8df93bd2122d7d37d42007c7ad3e814"`
[INFO] [stderr]    Compiling offset_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   writeln!(writer, "Expires:\t{}", date_text);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   writeln!(writer, "Expires:\t{}", date_text);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "049cef8cded02fe33b548d709906e75ed8df93bd2122d7d37d42007c7ad3e814"`
[INFO] running `"docker" "rm" "-f" "049cef8cded02fe33b548d709906e75ed8df93bd2122d7d37d42007c7ad3e814"`
[INFO] [stdout] 049cef8cded02fe33b548d709906e75ed8df93bd2122d7d37d42007c7ad3e814
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/emeraldinspirations/offset_calculator:/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] 096b85839cbe8c861ad62b3a542ad5b6c66e327b2861149335d085381a465a5d
[INFO] running `"docker" "start" "-a" "096b85839cbe8c861ad62b3a542ad5b6c66e327b2861149335d085381a465a5d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/offset_calculator-8018d3fe53cdf295
[INFO] [stderr]      Running /opt/crater/target/debug/deps/offset_calculator-d2ca5a55c24c7c9c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests offset_calculator
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_user_story_1863275034 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::test_user_story_1863275034 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "096b85839cbe8c861ad62b3a542ad5b6c66e327b2861149335d085381a465a5d"`
[INFO] running `"docker" "rm" "-f" "096b85839cbe8c861ad62b3a542ad5b6c66e327b2861149335d085381a465a5d"`
[INFO] [stdout] 096b85839cbe8c861ad62b3a542ad5b6c66e327b2861149335d085381a465a5d