[INFO] crate wires 0.7.1 is already in cache
[INFO] extracting crate wires 0.7.1 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/wires/0.7.1
[INFO] extracting crate wires 0.7.1 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/wires/0.7.1
[INFO] validating manifest of wires-0.7.1 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wires-0.7.1 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wires-0.7.1
[INFO] finished frobbing wires-0.7.1
[INFO] frobbed toml for wires-0.7.1 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/wires/0.7.1/Cargo.toml
[INFO] started frobbing wires-0.7.1
[INFO] finished frobbing wires-0.7.1
[INFO] frobbed toml for wires-0.7.1 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/wires/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wires-0.7.1 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/wires/0.7.1:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96ae77a3a02b451335e72f88761baed3a0bebd13877e12c7eb070f6d1d8aa73a
[INFO] running `"docker" "start" "-a" "96ae77a3a02b451335e72f88761baed3a0bebd13877e12c7eb070f6d1d8aa73a"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking mozprofile v0.2.1
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking mozrunner v0.2.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.1.19
[INFO] [stderr]     Checking hyper v0.8.1
[INFO] [stderr]     Checking webdriver v0.8.1
[INFO] [stderr]     Checking wires v0.7.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/marionette.rs:696:54
[INFO] [stderr]     |
[INFO] [stderr] 696 |                                           Ok(Date::new((try_opt!(
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 697 | |                                             x.as_u64(),
[INFO] [stderr] 698 | |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 699 | |                                             "Failed to interpret domain as String"))))
[INFO] [stderr]     | |____________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 696 |                                         Ok(Date::new(try_opt!(
[INFO] [stderr] 697 |                                             x.as_u64(),
[INFO] [stderr] 698 |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 699 |                                             "Failed to interpret domain as String")))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/marionette.rs:704:54
[INFO] [stderr]     |
[INFO] [stderr] 704 |                                           Ok(Date::new((try_opt!(
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 705 | |                                             x.as_u64(),
[INFO] [stderr] 706 | |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 707 | |                                             "Failed to interpret domain as String"))))
[INFO] [stderr]     | |____________________________________________________________________________________^
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 704 |                                         Ok(Date::new(try_opt!(
[INFO] [stderr] 705 |                                             x.as_u64(),
[INFO] [stderr] 706 |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 707 |                                             "Failed to interpret domain as String")))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/marionette.rs:696:54
[INFO] [stderr]     |
[INFO] [stderr] 696 |                                           Ok(Date::new((try_opt!(
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 697 | |                                             x.as_u64(),
[INFO] [stderr] 698 | |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 699 | |                                             "Failed to interpret domain as String"))))
[INFO] [stderr]     | |____________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 696 |                                         Ok(Date::new(try_opt!(
[INFO] [stderr] 697 |                                             x.as_u64(),
[INFO] [stderr] 698 |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 699 |                                             "Failed to interpret domain as String")))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/marionette.rs:704:54
[INFO] [stderr]     |
[INFO] [stderr] 704 |                                           Ok(Date::new((try_opt!(
[INFO] [stderr]     |  ______________________________________________________^
[INFO] [stderr] 705 | |                                             x.as_u64(),
[INFO] [stderr] 706 | |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 707 | |                                             "Failed to interpret domain as String"))))
[INFO] [stderr]     | |____________________________________________________________________________________^
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 704 |                                         Ok(Date::new(try_opt!(
[INFO] [stderr] 705 |                                             x.as_u64(),
[INFO] [stderr] 706 |                                             ErrorStatus::UnknownError,
[INFO] [stderr] 707 |                                             "Failed to interpret domain as String")))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1125:13
[INFO] [stderr]      |
[INFO] [stderr] 1125 |         let mut stream = self.stream.as_mut().unwrap();
[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] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1127:17
[INFO] [stderr]      |
[INFO] [stderr] 1127 |             let mut buf = &mut [0 as u8];
[INFO] [stderr]      |                 ----^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1149:13
[INFO] [stderr]      |
[INFO] [stderr] 1149 |         let mut buf = &mut [0 as u8; 8192];
[INFO] [stderr]      |             ----^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1125:13
[INFO] [stderr]      |
[INFO] [stderr] 1125 |         let mut stream = self.stream.as_mut().unwrap();
[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] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1127:17
[INFO] [stderr]      |
[INFO] [stderr] 1127 |             let mut buf = &mut [0 as u8];
[INFO] [stderr]      |                 ----^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/marionette.rs:1149:13
[INFO] [stderr]      |
[INFO] [stderr] 1149 |         let mut buf = &mut [0 as u8; 8192];
[INFO] [stderr]      |             ----^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `"docker" "inspect" "96ae77a3a02b451335e72f88761baed3a0bebd13877e12c7eb070f6d1d8aa73a"`
[INFO] running `"docker" "rm" "-f" "96ae77a3a02b451335e72f88761baed3a0bebd13877e12c7eb070f6d1d8aa73a"`
[INFO] [stdout] 96ae77a3a02b451335e72f88761baed3a0bebd13877e12c7eb070f6d1d8aa73a