[INFO] crate mount_status_monitor 2.1.1 is already in cache
[INFO] extracting crate mount_status_monitor 2.1.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mount_status_monitor/2.1.1
[INFO] extracting crate mount_status_monitor 2.1.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mount_status_monitor/2.1.1
[INFO] validating manifest of mount_status_monitor-2.1.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mount_status_monitor-2.1.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mount_status_monitor-2.1.1
[INFO] finished frobbing mount_status_monitor-2.1.1
[INFO] frobbed toml for mount_status_monitor-2.1.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mount_status_monitor/2.1.1/Cargo.toml
[INFO] started frobbing mount_status_monitor-2.1.1
[INFO] finished frobbing mount_status_monitor-2.1.1
[INFO] frobbed toml for mount_status_monitor-2.1.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mount_status_monitor/2.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mount_status_monitor-2.1.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mount_status_monitor/2.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 1f0eae26b33221ce5de7f2308c7d2846adde10b172554baae6e058c9e8d49282
[INFO] running `"docker" "start" "-a" "1f0eae26b33221ce5de7f2308c7d2846adde10b172554baae6e058c9e8d49282"`
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]    Compiling syslog v3.3.0
[INFO] [stderr]    Compiling mount_status_monitor v2.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |     }
[INFO] [stderr] 5 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.94s
[INFO] running `"docker" "inspect" "1f0eae26b33221ce5de7f2308c7d2846adde10b172554baae6e058c9e8d49282"`
[INFO] running `"docker" "rm" "-f" "1f0eae26b33221ce5de7f2308c7d2846adde10b172554baae6e058c9e8d49282"`
[INFO] [stdout] 1f0eae26b33221ce5de7f2308c7d2846adde10b172554baae6e058c9e8d49282
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mount_status_monitor/2.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 414098b62d1e5776b371bcb94f36a5eca53b74334b4b7533e67252b1052d56fc
[INFO] running `"docker" "start" "-a" "414098b62d1e5776b371bcb94f36a5eca53b74334b4b7533e67252b1052d56fc"`
[INFO] [stderr]    Compiling mount_status_monitor v2.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |     }
[INFO] [stderr] 5 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "414098b62d1e5776b371bcb94f36a5eca53b74334b4b7533e67252b1052d56fc"`
[INFO] running `"docker" "rm" "-f" "414098b62d1e5776b371bcb94f36a5eca53b74334b4b7533e67252b1052d56fc"`
[INFO] [stdout] 414098b62d1e5776b371bcb94f36a5eca53b74334b4b7533e67252b1052d56fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mount_status_monitor/2.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] ac30e654bd34986668c560878200bdfce37d7a83a5d1f73d0b2a38ac79f2f3ed
[INFO] running `"docker" "start" "-a" "ac30e654bd34986668c560878200bdfce37d7a83a5d1f73d0b2a38ac79f2f3ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mount_status_monitor-43d17285454f799e
[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" "ac30e654bd34986668c560878200bdfce37d7a83a5d1f73d0b2a38ac79f2f3ed"`
[INFO] running `"docker" "rm" "-f" "ac30e654bd34986668c560878200bdfce37d7a83a5d1f73d0b2a38ac79f2f3ed"`
[INFO] [stdout] ac30e654bd34986668c560878200bdfce37d7a83a5d1f73d0b2a38ac79f2f3ed