[INFO] crate sys-mount 1.2.0 is already in cache
[INFO] extracting crate sys-mount 1.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sys-mount/1.2.0
[INFO] extracting crate sys-mount 1.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sys-mount/1.2.0
[INFO] validating manifest of sys-mount-1.2.0 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 sys-mount-1.2.0 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 sys-mount-1.2.0
[INFO] finished frobbing sys-mount-1.2.0
[INFO] frobbed toml for sys-mount-1.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sys-mount/1.2.0/Cargo.toml
[INFO] started frobbing sys-mount-1.2.0
[INFO] finished frobbing sys-mount-1.2.0
[INFO] frobbed toml for sys-mount-1.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sys-mount/1.2.0/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 sys-mount-1.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sys-mount/1.2.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 230faee2ebd514f4ce27c7b506f495f7700dd4ae922733ab43a82185b77ef86b
[INFO] running `"docker" "start" "-a" "230faee2ebd514f4ce27c7b506f495f7700dd4ae922733ab43a82185b77ef86b"`
[INFO] [stderr]    Compiling loopdev v0.2.1
[INFO] [stderr]    Compiling sys-mount v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:56:52
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:69:50
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "230faee2ebd514f4ce27c7b506f495f7700dd4ae922733ab43a82185b77ef86b"`
[INFO] running `"docker" "rm" "-f" "230faee2ebd514f4ce27c7b506f495f7700dd4ae922733ab43a82185b77ef86b"`
[INFO] [stdout] 230faee2ebd514f4ce27c7b506f495f7700dd4ae922733ab43a82185b77ef86b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sys-mount/1.2.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f7117a2bc2fd0ebf3e721e6e257a57c76ad26834eb1249da5dee644819124c84
[INFO] running `"docker" "start" "-a" "f7117a2bc2fd0ebf3e721e6e257a57c76ad26834eb1249da5dee644819124c84"`
[INFO] [stderr]    Compiling sys-mount v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:56:52
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn nodev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/supported.rs:69:50
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn dev_file_systems<'a>(&'a self) -> Box<Iterator<Item = &str> + 'a> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "f7117a2bc2fd0ebf3e721e6e257a57c76ad26834eb1249da5dee644819124c84"`
[INFO] running `"docker" "rm" "-f" "f7117a2bc2fd0ebf3e721e6e257a57c76ad26834eb1249da5dee644819124c84"`
[INFO] [stdout] f7117a2bc2fd0ebf3e721e6e257a57c76ad26834eb1249da5dee644819124c84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sys-mount/1.2.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 52c430de3047ef26dd52d96c243b9801caed2dd0cc3fec65b7d966207bc451c1
[INFO] running `"docker" "start" "-a" "52c430de3047ef26dd52d96c243b9801caed2dd0cc3fec65b7d966207bc451c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sys_mount-1e3695ce893b469d
[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 sys-mount
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/mount.rs - mount::Mount::new (line 119) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] test src/umount.rs - umount::unmount (line 80) ... ok
[INFO] [stdout] test src/supported.rs - supported::SupportedFilesystems::is_supported (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "52c430de3047ef26dd52d96c243b9801caed2dd0cc3fec65b7d966207bc451c1"`
[INFO] running `"docker" "rm" "-f" "52c430de3047ef26dd52d96c243b9801caed2dd0cc3fec65b7d966207bc451c1"`
[INFO] [stdout] 52c430de3047ef26dd52d96c243b9801caed2dd0cc3fec65b7d966207bc451c1