[INFO] crate spinlocks 0.0.1 is already in cache
[INFO] extracting crate spinlocks 0.0.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/spinlocks/0.0.1
[INFO] extracting crate spinlocks 0.0.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/spinlocks/0.0.1
[INFO] validating manifest of spinlocks-0.0.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spinlocks-0.0.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spinlocks-0.0.1
[INFO] finished frobbing spinlocks-0.0.1
[INFO] frobbed toml for spinlocks-0.0.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/spinlocks/0.0.1/Cargo.toml
[INFO] started frobbing spinlocks-0.0.1
[INFO] finished frobbing spinlocks-0.0.1
[INFO] frobbed toml for spinlocks-0.0.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/spinlocks/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking spinlocks-0.0.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/spinlocks/0.0.1:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f6cd50c5f74ea38cd805efe71aa63aa614866d045faa482351dc6dfc60b7738
[INFO] running `"docker" "start" "-a" "7f6cd50c5f74ea38cd805efe71aa63aa614866d045faa482351dc6dfc60b7738"`
[INFO] [stderr]     Checking spinlocks v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]    --> src/lib.rs:390:3
[INFO] [stderr]     |
[INFO] [stderr] 390 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]     = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]    --> src/lib.rs:429:3
[INFO] [stderr]     |
[INFO] [stderr] 429 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]     = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]    --> src/lib.rs:390:3
[INFO] [stderr]     |
[INFO] [stderr] 390 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]     = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]    --> src/lib.rs:429:3
[INFO] [stderr]     |
[INFO] [stderr] 429 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]     = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `should_fail` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]   --> src/tests/mod.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[should_fail]
[INFO] [stderr]    |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `should_panic`
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `unsafe_destructor` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]   --> src/tests/mod.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[unsafe_destructor]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `should_fail` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]   --> src/tests/mod.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 | #[should_fail(expected = "child thread None panicked")]
[INFO] [stderr]    |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `should_panic`
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `scoped` in module `thread`
[INFO] [stderr]   --> src/tests/mod.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     thread::scoped(|| { let _  = spin.write().unwrap(); }).join();
[INFO] [stderr]    |             ^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stderr]    --> src/tests/mod.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut workers : Vec<thread::JoinGuard<()>> = Vec::with_capacity(10); 
[INFO] [stderr]     |                                   ^^^^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `scoped` in module `thread`
[INFO] [stderr]    --> src/tests/mod.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |         workers.push(thread::scoped(|| { let data = spin.read().unwrap(); assert_eq!(*data, 255);}) );
[INFO] [stderr]     |                              ^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stderr]    --> src/tests/mod.rs:117:35
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut workers : Vec<thread::JoinGuard<()>> = Vec::with_capacity(10); 
[INFO] [stderr]     |                                   ^^^^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `scoped` in module `thread`
[INFO] [stderr]    --> src/tests/mod.rs:120:30
[INFO] [stderr]     |
[INFO] [stderr] 120 |         workers.push(thread::scoped(move || { let mut data = spin.write().unwrap(); *data = i ;assert_eq!(*data, i );}) );
[INFO] [stderr]     |                              ^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/tests/mod.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |     for _ in (0..9) {
[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 `for` head expression
[INFO] [stderr]    --> src/tests/mod.rs:118:14
[INFO] [stderr]     |
[INFO] [stderr] 118 |     for i in (0u32..9) {
[INFO] [stderr]     |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `spinlocks`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `spinlocks`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7f6cd50c5f74ea38cd805efe71aa63aa614866d045faa482351dc6dfc60b7738"`
[INFO] running `"docker" "rm" "-f" "7f6cd50c5f74ea38cd805efe71aa63aa614866d045faa482351dc6dfc60b7738"`
[INFO] [stdout] 7f6cd50c5f74ea38cd805efe71aa63aa614866d045faa482351dc6dfc60b7738