[INFO] crate wires 0.7.1 is already in cache
[INFO] extracting crate wires 0.7.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/wires/0.7.1
[INFO] extracting crate wires 0.7.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wires/0.7.1
[INFO] validating manifest of wires-0.7.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wires-0.7.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/wires/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wires-0.7.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 30eac8f09ea3af72db174d6356b5b7104ca2f93009350c5e30ee0879d4e82986
[INFO] running `"docker" "start" "-a" "30eac8f09ea3af72db174d6356b5b7104ca2f93009350c5e30ee0879d4e82986"`
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling url v0.5.10
[INFO] [stderr]    Compiling mozprofile v0.2.1
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling mozrunner v0.2.0
[INFO] [stderr]    Compiling zip v0.1.19
[INFO] [stderr]    Compiling hyper v0.8.1
[INFO] [stderr]    Compiling webdriver v0.8.1
[INFO] [stderr]    Compiling 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: `...` range patterns are deprecated
[INFO] [stderr]     --> src/marionette.rs:1139:20
[INFO] [stderr]      |
[INFO] [stderr] 1139 |                 '0'...'9' => {
[INFO] [stderr]      |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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: 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 20.50s
[INFO] running `"docker" "inspect" "30eac8f09ea3af72db174d6356b5b7104ca2f93009350c5e30ee0879d4e82986"`
[INFO] running `"docker" "rm" "-f" "30eac8f09ea3af72db174d6356b5b7104ca2f93009350c5e30ee0879d4e82986"`
[INFO] [stdout] 30eac8f09ea3af72db174d6356b5b7104ca2f93009350c5e30ee0879d4e82986
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] efbc40bfc1e2b5468fbad9ab8de339b84c7f64dbca0ffa41b90c5df2a179c23c
[INFO] running `"docker" "start" "-a" "efbc40bfc1e2b5468fbad9ab8de339b84c7f64dbca0ffa41b90c5df2a179c23c"`
[INFO] [stderr]    Compiling 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: `...` range patterns are deprecated
[INFO] [stderr]     --> src/marionette.rs:1139:20
[INFO] [stderr]      |
[INFO] [stderr] 1139 |                 '0'...'9' => {
[INFO] [stderr]      |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/marionette.rs:55:1
[INFO] [stderr]     |
[INFO] [stderr] 55  | / lazy_static! {
[INFO] [stderr] 56  | |     pub static ref E10S_PREFERENCES: [(&'static str, Pref); 1] = [
[INFO] [stderr] 57  | |         ("browser.tabs.remote.autostart", Pref::new(true)),
[INFO] [stderr] 58  | |     ];
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     ];
[INFO] [stderr] 120 | | }
[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: 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 4.25s
[INFO] running `"docker" "inspect" "efbc40bfc1e2b5468fbad9ab8de339b84c7f64dbca0ffa41b90c5df2a179c23c"`
[INFO] running `"docker" "rm" "-f" "efbc40bfc1e2b5468fbad9ab8de339b84c7f64dbca0ffa41b90c5df2a179c23c"`
[INFO] [stdout] efbc40bfc1e2b5468fbad9ab8de339b84c7f64dbca0ffa41b90c5df2a179c23c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1b936741148ad4a0c5d29bb758d4a0b62b696250ebb2d2c3e808185894ba53b5
[INFO] running `"docker" "start" "-a" "1b936741148ad4a0c5d29bb758d4a0b62b696250ebb2d2c3e808185894ba53b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wires-47c512e62a65ccbf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_profile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b936741148ad4a0c5d29bb758d4a0b62b696250ebb2d2c3e808185894ba53b5"`
[INFO] running `"docker" "rm" "-f" "1b936741148ad4a0c5d29bb758d4a0b62b696250ebb2d2c3e808185894ba53b5"`
[INFO] [stdout] 1b936741148ad4a0c5d29bb758d4a0b62b696250ebb2d2c3e808185894ba53b5