[INFO] updating cached repository fichtknick/livelog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fichtknick/livelog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fichtknick/livelog" "work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fichtknick/livelog" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fichtknick/livelog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fichtknick/livelog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2f180fafbbeb060bc580934ecd364d7ce860bdb
[INFO] sha for GitHub repo fichtknick/livelog: a2f180fafbbeb060bc580934ecd364d7ce860bdb
[INFO] validating manifest of fichtknick/livelog on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fichtknick/livelog on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fichtknick/livelog
[INFO] finished frobbing fichtknick/livelog
[INFO] frobbed toml for fichtknick/livelog written to work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog/Cargo.toml
[INFO] started frobbing fichtknick/livelog
[INFO] finished frobbing fichtknick/livelog
[INFO] frobbed toml for fichtknick/livelog written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fichtknick/livelog/Cargo.toml
[INFO] crate fichtknick/livelog already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fichtknick/livelog against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] fa06f165371ddc91cd1e0a616988e7eae8d114370d2067db377f0c2ade439480
[INFO] running `"docker" "start" "-a" "fa06f165371ddc91cd1e0a616988e7eae8d114370d2067db377f0c2ade439480"`
[INFO] [stderr]    Compiling livelog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut logfile = init_file(&env::args().nth(1));
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "fa06f165371ddc91cd1e0a616988e7eae8d114370d2067db377f0c2ade439480"`
[INFO] running `"docker" "rm" "-f" "fa06f165371ddc91cd1e0a616988e7eae8d114370d2067db377f0c2ade439480"`
[INFO] [stdout] fa06f165371ddc91cd1e0a616988e7eae8d114370d2067db377f0c2ade439480
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2c9324f0477eefd677184e447b14a9bdd18fc270ec3fe4b49086a2b3977e889
[INFO] running `"docker" "start" "-a" "e2c9324f0477eefd677184e447b14a9bdd18fc270ec3fe4b49086a2b3977e889"`
[INFO] [stderr]    Compiling livelog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut logfile = init_file(&env::args().nth(1));
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "e2c9324f0477eefd677184e447b14a9bdd18fc270ec3fe4b49086a2b3977e889"`
[INFO] running `"docker" "rm" "-f" "e2c9324f0477eefd677184e447b14a9bdd18fc270ec3fe4b49086a2b3977e889"`
[INFO] [stdout] e2c9324f0477eefd677184e447b14a9bdd18fc270ec3fe4b49086a2b3977e889
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fichtknick/livelog:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] eb8d9a5f0abe628e944ce6ee5a826ef1322300bc835a46a6082d5483a3f29354
[INFO] running `"docker" "start" "-a" "eb8d9a5f0abe628e944ce6ee5a826ef1322300bc835a46a6082d5483a3f29354"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/livelog-edaa629e46154d45
[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" "eb8d9a5f0abe628e944ce6ee5a826ef1322300bc835a46a6082d5483a3f29354"`
[INFO] running `"docker" "rm" "-f" "eb8d9a5f0abe628e944ce6ee5a826ef1322300bc835a46a6082d5483a3f29354"`
[INFO] [stdout] eb8d9a5f0abe628e944ce6ee5a826ef1322300bc835a46a6082d5483a3f29354