[INFO] crate jobsteal 0.5.1 is already in cache
[INFO] testing jobsteal-0.5.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate jobsteal 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jobsteal 0.5.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jobsteal 0.5.1
[INFO] finished tweaking crates.io crate jobsteal 0.5.1
[INFO] tweaked toml for crates.io crate jobsteal 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] ef93a21c882cf27d1e15ed68cabd828f3f3b7085c1bf36ff1211acc4a2ddd215
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef93a21c882cf27d1e15ed68cabd828f3f3b7085c1bf36ff1211acc4a2ddd215"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling jobsteal v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:319:26
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let handle = try!(builder.spawn(move || worker_main(worker)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Heap(Box<Thunk>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Thunk`
[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/job.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Thunk + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let fat_ptr: *mut Thunk = code_ptr;
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let code_ptr: *mut Thunk = mem::transmute(t_obj);
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/arena.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut buf = self.buf.get();
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "ef93a21c882cf27d1e15ed68cabd828f3f3b7085c1bf36ff1211acc4a2ddd215"`
[INFO] running `"docker" "rm" "-f" "ef93a21c882cf27d1e15ed68cabd828f3f3b7085c1bf36ff1211acc4a2ddd215"`
[INFO] [stdout] ef93a21c882cf27d1e15ed68cabd828f3f3b7085c1bf36ff1211acc4a2ddd215
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16b18c90e195f909986e036581b949675f6c44d377b0fb006c630b71a1a62eee
[INFO] running `"docker" "start" "-a" "16b18c90e195f909986e036581b949675f6c44d377b0fb006c630b71a1a62eee"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:319:26
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let handle = try!(builder.spawn(move || worker_main(worker)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Heap(Box<Thunk>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Thunk`
[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/job.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Thunk + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let fat_ptr: *mut Thunk = code_ptr;
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let code_ptr: *mut Thunk = mem::transmute(t_obj);
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/arena.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut buf = self.buf.get();
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling jobsteal v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:319:26
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let handle = try!(builder.spawn(move || worker_main(worker)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Heap(Box<Thunk>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Thunk`
[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/job.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Thunk + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let fat_ptr: *mut Thunk = code_ptr;
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let code_ptr: *mut Thunk = mem::transmute(t_obj);
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/arena.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut buf = self.buf.get();
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "16b18c90e195f909986e036581b949675f6c44d377b0fb006c630b71a1a62eee"`
[INFO] running `"docker" "rm" "-f" "16b18c90e195f909986e036581b949675f6c44d377b0fb006c630b71a1a62eee"`
[INFO] [stdout] 16b18c90e195f909986e036581b949675f6c44d377b0fb006c630b71a1a62eee
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 91998c2f0ab183ff30e88bfc53e3a06fbb70666df95284dde9711e0b272614b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "91998c2f0ab183ff30e88bfc53e3a06fbb70666df95284dde9711e0b272614b8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:319:26
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let handle = try!(builder.spawn(move || worker_main(worker)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Heap(Box<Thunk>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Thunk`
[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/job.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Thunk + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let fat_ptr: *mut Thunk = code_ptr;
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let code_ptr: *mut Thunk = mem::transmute(t_obj);
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/arena.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut buf = self.buf.get();
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:319:26
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let handle = try!(builder.spawn(move || worker_main(worker)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Heap(Box<Thunk>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Thunk`
[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/job.rs:88:34
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/job.rs:88:89
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let static_code: Box<Thunk> = unsafe { mem::transmute(Box::new(code) as Box<Thunk + 'a>) };
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^ help: use `dyn`: `dyn Thunk + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let fat_ptr: *mut Thunk = code_ptr;
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/job.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 let code_ptr: *mut Thunk = mem::transmute(t_obj);
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Thunk`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/arena.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut buf = self.buf.get();
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jobsteal-f7b8b805cb0481e6
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test iter::vec::tests::it_works ... ok
[INFO] [stdout] test tests::job_panic ... ok
[INFO] [stdout] test iter::all_any::tests::any_even ... ok
[INFO] [stdout] test tests::join ... ok
[INFO] [stdout] test tests::outlives_pool ... ok
[INFO] [stdout] test tests::join_scoping ... ok
[INFO] [stdout] test iter::all_any::tests::all_even ... ok
[INFO] [stdout] test iter::tests::doubling ... ok
[INFO] [stdout] test tests::scope_return ... ok
[INFO] [stdout] test iter::collect::tests::collect_basics ... ok
[INFO] [stdout] test iter::flat_map::tests::flat_map_basics ... ok
[INFO] [stdout] test iter::fold::tests::fold_adding ... ok
[INFO] [stdout] test iter::filter::tests::filter_basics ... ok
[INFO] [stdout] test tests::creation_destruction ... ok
[INFO] [stdout] test tests::multilevel_scoping ... ok
[INFO] [stdout] test tests::submit_large_jobs ... ok
[INFO] [stdout] test iter::enumerate::tests::enumerate_basics ... ok
[INFO] [stdout] test tests::split_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jobsteal
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/iter/map.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn call<I: Iterator<Item=(&'a U)>>(self, iter: I) -> Self::Out {
[INFO] [stderr]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/iter/map.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 | where T: Consumer<In, Item=(&'a U)> {
[INFO] [stderr]    |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/iter/map.rs:100:80
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<'a, T, U: Clone + 'a> Spliterator for Cloned<T> where T: Spliterator<Item=(&'a U)> {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Spawner::scope (line 147) ... ok
[INFO] [stdout] test src/lib.rs - Spawner::join (line 177) ... ok
[INFO] [stdout] test src/iter/mod.rs - iter (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Spawner::submit (line 116) ... ok
[INFO] [stdout] test src/lib.rs - Spawner::recurse (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91998c2f0ab183ff30e88bfc53e3a06fbb70666df95284dde9711e0b272614b8"`
[INFO] running `"docker" "rm" "-f" "91998c2f0ab183ff30e88bfc53e3a06fbb70666df95284dde9711e0b272614b8"`
[INFO] [stdout] 91998c2f0ab183ff30e88bfc53e3a06fbb70666df95284dde9711e0b272614b8