[INFO] updating cached repository TheMegaTB/timetable-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheMegaTB/timetable-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheMegaTB/timetable-generator" "work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheMegaTB/timetable-generator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheMegaTB/timetable-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheMegaTB/timetable-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e87f0b7b35919debd8e567bf4781e09f4b187915
[INFO] sha for GitHub repo TheMegaTB/timetable-generator: e87f0b7b35919debd8e567bf4781e09f4b187915
[INFO] validating manifest of TheMegaTB/timetable-generator 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 TheMegaTB/timetable-generator 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 TheMegaTB/timetable-generator
[INFO] finished frobbing TheMegaTB/timetable-generator
[INFO] frobbed toml for TheMegaTB/timetable-generator written to work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator/Cargo.toml
[INFO] started frobbing TheMegaTB/timetable-generator
[INFO] finished frobbing TheMegaTB/timetable-generator
[INFO] frobbed toml for TheMegaTB/timetable-generator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheMegaTB/timetable-generator/Cargo.toml
[INFO] crate TheMegaTB/timetable-generator 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing TheMegaTB/timetable-generator 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator:/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] c22d9850a4153761294af48ea3845977eaf5420aa30f9e808d25e301e9ff4bc3
[INFO] running `"docker" "start" "-a" "c22d9850a4153761294af48ea3845977eaf5420aa30f9e808d25e301e9ff4bc3"`
[INFO] [stderr]    Compiling venotus-backend v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/structures/mod.rs:167:58
[INFO] [stderr]     |
[INFO] [stderr] 167 |         self.classes.push(Class::new(self.lessons.len(), (id+1)));
[INFO] [stderr]     |                                                          ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "c22d9850a4153761294af48ea3845977eaf5420aa30f9e808d25e301e9ff4bc3"`
[INFO] running `"docker" "rm" "-f" "c22d9850a4153761294af48ea3845977eaf5420aa30f9e808d25e301e9ff4bc3"`
[INFO] [stdout] c22d9850a4153761294af48ea3845977eaf5420aa30f9e808d25e301e9ff4bc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator:/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] 556d010851fa723225b1bc808ed17df62b7c7c1975e56052761c72676c3df21a
[INFO] running `"docker" "start" "-a" "556d010851fa723225b1bc808ed17df62b7c7c1975e56052761c72676c3df21a"`
[INFO] [stderr]    Compiling venotus-backend v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/structures/mod.rs:167:58
[INFO] [stderr]     |
[INFO] [stderr] 167 |         self.classes.push(Class::new(self.lessons.len(), (id+1)));
[INFO] [stderr]     |                                                          ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "556d010851fa723225b1bc808ed17df62b7c7c1975e56052761c72676c3df21a"`
[INFO] running `"docker" "rm" "-f" "556d010851fa723225b1bc808ed17df62b7c7c1975e56052761c72676c3df21a"`
[INFO] [stdout] 556d010851fa723225b1bc808ed17df62b7c7c1975e56052761c72676c3df21a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheMegaTB/timetable-generator:/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] e3fde8f68aa29c914aa783dccce82b808310b16c557766b63c2928ce1878762e
[INFO] running `"docker" "start" "-a" "e3fde8f68aa29c914aa783dccce82b808310b16c557766b63c2928ce1878762e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/venotus_backend-11a30c62a783ab9b
[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" "e3fde8f68aa29c914aa783dccce82b808310b16c557766b63c2928ce1878762e"`
[INFO] running `"docker" "rm" "-f" "e3fde8f68aa29c914aa783dccce82b808310b16c557766b63c2928ce1878762e"`
[INFO] [stdout] e3fde8f68aa29c914aa783dccce82b808310b16c557766b63c2928ce1878762e