[INFO] crate sarchive 0.4.2 is already in cache
[INFO] extracting crate sarchive 0.4.2 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/sarchive/0.4.2
[INFO] extracting crate sarchive 0.4.2 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/sarchive/0.4.2
[INFO] validating manifest of sarchive-0.4.2 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sarchive-0.4.2 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sarchive-0.4.2
[INFO] finished frobbing sarchive-0.4.2
[INFO] frobbed toml for sarchive-0.4.2 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/sarchive/0.4.2/Cargo.toml
[INFO] started frobbing sarchive-0.4.2
[INFO] finished frobbing sarchive-0.4.2
[INFO] frobbed toml for sarchive-0.4.2 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/sarchive/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sarchive-0.4.2 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/sarchive/0.4.2:/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=forbid" "-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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7679ff52d15ab46de1efb35afad05c877f038b4e5086e6c630795758faa88afa
[INFO] running `"docker" "start" "-a" "7679ff52d15ab46de1efb35afad05c877f038b4e5086e6c630795758faa88afa"`
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking sarchive v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         match r.recv() {
[INFO] [stderr] 207 | |             Ok(slurm_job_entry) => archive(&archive_path, &p, &slurm_job_entry),
[INFO] [stderr] 208 | |             Err(_) => {
[INFO] [stderr] 209 | |                 error!("Error on receiving SlurmJobEntry info");
[INFO] [stderr] 210 | |                 break;
[INFO] [stderr] 211 | |             }
[INFO] [stderr] 212 | |         };
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         match r.recv() {
[INFO] [stderr] 207 | |             Ok(slurm_job_entry) => archive(&archive_path, &p, &slurm_job_entry),
[INFO] [stderr] 208 | |             Err(_) => {
[INFO] [stderr] 209 | |                 error!("Error on receiving SlurmJobEntry info");
[INFO] [stderr] 210 | |                 break;
[INFO] [stderr] 211 | |             }
[INFO] [stderr] 212 | |         };
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         env.write(b"environment");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         job.write(b"job script");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |         archive(&archive_dir, &Period::None, &slurm_job_entry);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         match r.recv() {
[INFO] [stderr] 207 | |             Ok(slurm_job_entry) => archive(&archive_path, &p, &slurm_job_entry),
[INFO] [stderr] 208 | |             Err(_) => {
[INFO] [stderr] 209 | |                 error!("Error on receiving SlurmJobEntry info");
[INFO] [stderr] 210 | |                 break;
[INFO] [stderr] 211 | |             }
[INFO] [stderr] 212 | |         };
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 | /         match r.recv() {
[INFO] [stderr] 207 | |             Ok(slurm_job_entry) => archive(&archive_path, &p, &slurm_job_entry),
[INFO] [stderr] 208 | |             Err(_) => {
[INFO] [stderr] 209 | |                 error!("Error on receiving SlurmJobEntry info");
[INFO] [stderr] 210 | |                 break;
[INFO] [stderr] 211 | |             }
[INFO] [stderr] 212 | |         };
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         env.write(b"environment");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         job.write(b"job script");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |         archive(&archive_dir, &Period::None, &slurm_job_entry);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `"docker" "inspect" "7679ff52d15ab46de1efb35afad05c877f038b4e5086e6c630795758faa88afa"`
[INFO] running `"docker" "rm" "-f" "7679ff52d15ab46de1efb35afad05c877f038b4e5086e6c630795758faa88afa"`
[INFO] [stdout] 7679ff52d15ab46de1efb35afad05c877f038b4e5086e6c630795758faa88afa