[INFO] crate novault 0.4.2 is already in cache
[INFO] extracting crate novault 0.4.2 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/novault/0.4.2
[INFO] extracting crate novault 0.4.2 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/novault/0.4.2
[INFO] validating manifest of novault-0.4.2 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of novault-0.4.2 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing novault-0.4.2
[INFO] finished frobbing novault-0.4.2
[INFO] frobbed toml for novault-0.4.2 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/novault/0.4.2/Cargo.toml
[INFO] started frobbing novault-0.4.2
[INFO] finished frobbing novault-0.4.2
[INFO] frobbed toml for novault-0.4.2 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/novault/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking novault-0.4.2 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/novault/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c34d92e0144571bcca21dbbb49014ef8c4215309113ea1b74a7a478f32df266
[INFO] running `"docker" "start" "-a" "1c34d92e0144571bcca21dbbb49014ef8c4215309113ea1b74a7a478f32df266"`
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling file-lock v0.0.17
[INFO] [stderr]    Compiling configure_derive v0.1.1
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking argon2rs v0.2.5
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking ergo_sys v0.0.1
[INFO] [stderr]     Checking dialoguer v0.1.0
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking ron v0.1.7
[INFO] [stderr]     Checking ergo_std v0.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking path_abs v0.3.17
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]     Checking ergo_fs v0.1.5
[INFO] [stderr]     Checking ergo_sync v0.1.0
[INFO] [stderr]     Checking configure v0.1.1
[INFO] [stderr]     Checking ergo_config v0.0.1
[INFO] [stderr]     Checking ergo v0.0.1
[INFO] [stderr]     Checking novault v0.4.2 (/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/types.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain!{
[INFO] [stderr] 33 | |     types {
[INFO] [stderr] 34 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 35 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     }
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning 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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/types.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain!{
[INFO] [stderr] 33 | |     types {
[INFO] [stderr] 34 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 35 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     }
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning 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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/types.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain!{
[INFO] [stderr] 33 | |     types {
[INFO] [stderr] 34 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 35 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     }
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning 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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/types.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain!{
[INFO] [stderr] 33 | |     types {
[INFO] [stderr] 34 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 35 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     }
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning 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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cmds.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     global.lock_file.set_len(0);
[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/cmds.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     global.lock_file.set_len(0);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 11.19s
[INFO] running `"docker" "inspect" "1c34d92e0144571bcca21dbbb49014ef8c4215309113ea1b74a7a478f32df266"`
[INFO] running `"docker" "rm" "-f" "1c34d92e0144571bcca21dbbb49014ef8c4215309113ea1b74a7a478f32df266"`
[INFO] [stdout] 1c34d92e0144571bcca21dbbb49014ef8c4215309113ea1b74a7a478f32df266