[INFO] crate job_scheduler 1.0.6 is already in cache
[INFO] extracting crate job_scheduler 1.0.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/job_scheduler/1.0.6
[INFO] extracting crate job_scheduler 1.0.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/job_scheduler/1.0.6
[INFO] validating manifest of job_scheduler-1.0.6 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 job_scheduler-1.0.6 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 job_scheduler-1.0.6
[INFO] finished frobbing job_scheduler-1.0.6
[INFO] frobbed toml for job_scheduler-1.0.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/job_scheduler/1.0.6/Cargo.toml
[INFO] started frobbing job_scheduler-1.0.6
[INFO] finished frobbing job_scheduler-1.0.6
[INFO] frobbed toml for job_scheduler-1.0.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/job_scheduler/1.0.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 job_scheduler-1.0.6 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/job_scheduler/1.0.6:/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] f8a49f1cfc544d1c51e11c174296a9133054b5886c9adb87491d063fff66ecf1
[INFO] running `"docker" "start" "-a" "f8a49f1cfc544d1c51e11c174296a9133054b5886c9adb87491d063fff66ecf1"`
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling cron v0.6.0
[INFO] [stderr]    Compiling job_scheduler v1.0.6 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         for mut job in &mut self.jobs {
[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 5.44s
[INFO] running `"docker" "inspect" "f8a49f1cfc544d1c51e11c174296a9133054b5886c9adb87491d063fff66ecf1"`
[INFO] running `"docker" "rm" "-f" "f8a49f1cfc544d1c51e11c174296a9133054b5886c9adb87491d063fff66ecf1"`
[INFO] [stdout] f8a49f1cfc544d1c51e11c174296a9133054b5886c9adb87491d063fff66ecf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/job_scheduler/1.0.6:/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] 730ed4c058b4698f0924280ac718e539266395794bb8bf03ad20e983bb90c41d
[INFO] running `"docker" "start" "-a" "730ed4c058b4698f0924280ac718e539266395794bb8bf03ad20e983bb90c41d"`
[INFO] [stderr]    Compiling job_scheduler v1.0.6 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         for mut job in &mut self.jobs {
[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 0.96s
[INFO] running `"docker" "inspect" "730ed4c058b4698f0924280ac718e539266395794bb8bf03ad20e983bb90c41d"`
[INFO] running `"docker" "rm" "-f" "730ed4c058b4698f0924280ac718e539266395794bb8bf03ad20e983bb90c41d"`
[INFO] [stdout] 730ed4c058b4698f0924280ac718e539266395794bb8bf03ad20e983bb90c41d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/job_scheduler/1.0.6:/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] 21d113d32e345e24fc8873025ce3ac2395ca53929af3807e755d8cc3b9d824f9
[INFO] running `"docker" "start" "-a" "21d113d32e345e24fc8873025ce3ac2395ca53929af3807e755d8cc3b9d824f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/job_scheduler-be57e95dbb81fce4
[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 job_scheduler
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 39) ... ignored
[INFO] [stdout] test src/lib.rs - Job::new (line 77) ... ignored
[INFO] [stdout] test src/lib.rs - JobScheduler::add (line 127) ... ignored
[INFO] [stdout] test src/lib.rs - JobScheduler::tick (line 141) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "21d113d32e345e24fc8873025ce3ac2395ca53929af3807e755d8cc3b9d824f9"`
[INFO] running `"docker" "rm" "-f" "21d113d32e345e24fc8873025ce3ac2395ca53929af3807e755d8cc3b9d824f9"`
[INFO] [stdout] 21d113d32e345e24fc8873025ce3ac2395ca53929af3807e755d8cc3b9d824f9