[INFO] updating cached repository Mistodon/doq
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mistodon/doq
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistodon/doq" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mistodon/doq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mistodon/doq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mistodon/doq" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mistodon/doq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mistodon/doq'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e25199d4e6f1b208183927e195de01fc695d379
[INFO] sha for GitHub repo Mistodon/doq: 8e25199d4e6f1b208183927e195de01fc695d379
[INFO] validating manifest of Mistodon/doq 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 Mistodon/doq 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 Mistodon/doq
[INFO] finished frobbing Mistodon/doq
[INFO] frobbed toml for Mistodon/doq written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mistodon/doq/Cargo.toml
[INFO] started frobbing Mistodon/doq
[INFO] finished frobbing Mistodon/doq
[INFO] frobbed toml for Mistodon/doq written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mistodon/doq/Cargo.toml
[INFO] crate Mistodon/doq 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 Mistodon/doq 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-2/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/Mistodon/doq:/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] 35e55464c56efec706f26dd047409ffb258b1b3768702cded4922c44c7480b6b
[INFO] running `"docker" "start" "-a" "35e55464c56efec706f26dd047409ffb258b1b3768702cded4922c44c7480b6b"`
[INFO] [stderr]    Compiling close_enough v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling doq v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:185:36
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     let mut home = env::home_dir().expect("Failed to find home directory");
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.33s
[INFO] running `"docker" "inspect" "35e55464c56efec706f26dd047409ffb258b1b3768702cded4922c44c7480b6b"`
[INFO] running `"docker" "rm" "-f" "35e55464c56efec706f26dd047409ffb258b1b3768702cded4922c44c7480b6b"`
[INFO] [stdout] 35e55464c56efec706f26dd047409ffb258b1b3768702cded4922c44c7480b6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Mistodon/doq:/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] 79494fce99e4ac9f9be0c0adba501f0b673cadd76f24048cc25b397a701f43b4
[INFO] running `"docker" "start" "-a" "79494fce99e4ac9f9be0c0adba501f0b673cadd76f24048cc25b397a701f43b4"`
[INFO] [stderr]    Compiling doq v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:185:36
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     let mut home = env::home_dir().expect("Failed to find home directory");
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "79494fce99e4ac9f9be0c0adba501f0b673cadd76f24048cc25b397a701f43b4"`
[INFO] running `"docker" "rm" "-f" "79494fce99e4ac9f9be0c0adba501f0b673cadd76f24048cc25b397a701f43b4"`
[INFO] [stdout] 79494fce99e4ac9f9be0c0adba501f0b673cadd76f24048cc25b397a701f43b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Mistodon/doq:/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] b26f07ea745249e2eba2459bf5ea9e6ab1e2e20eab93c634bb54bd3fc1cac59c
[INFO] running `"docker" "start" "-a" "b26f07ea745249e2eba2459bf5ea9e6ab1e2e20eab93c634bb54bd3fc1cac59c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doq-db3c92882f437cd9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_days_until_due ... ok
[INFO] [stdout] test tests::test_next_due_date ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doq-a55cfc9aa675e24e
[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]    Doc-tests doq
[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" "b26f07ea745249e2eba2459bf5ea9e6ab1e2e20eab93c634bb54bd3fc1cac59c"`
[INFO] running `"docker" "rm" "-f" "b26f07ea745249e2eba2459bf5ea9e6ab1e2e20eab93c634bb54bd3fc1cac59c"`
[INFO] [stdout] b26f07ea745249e2eba2459bf5ea9e6ab1e2e20eab93c634bb54bd3fc1cac59c