[INFO] crate shared-mutex 0.3.1 is already in cache
[INFO] testing shared-mutex-0.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate shared-mutex 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate shared-mutex 0.3.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate shared-mutex 0.3.1
[INFO] finished tweaking crates.io crate shared-mutex 0.3.1
[INFO] tweaked toml for crates.io crate shared-mutex 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ef17f652a1f313eb2cf2742381ab852c4c831cf5d2af45fcd68a965914eeadc
[INFO] running `"docker" "start" "-a" "6ef17f652a1f313eb2cf2742381ab852c4c831cf5d2af45fcd68a965914eeadc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Ok(try!(unsafe { SharedMutexReadGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Ok(try!(unsafe { SharedMutexWriteGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "6ef17f652a1f313eb2cf2742381ab852c4c831cf5d2af45fcd68a965914eeadc"`
[INFO] running `"docker" "rm" "-f" "6ef17f652a1f313eb2cf2742381ab852c4c831cf5d2af45fcd68a965914eeadc"`
[INFO] [stdout] 6ef17f652a1f313eb2cf2742381ab852c4c831cf5d2af45fcd68a965914eeadc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 09e9a4b216dbb4993d22dcf778fcbe3e5d8ae14ab8935266ab976ca62fb7dd46
[INFO] running `"docker" "start" "-a" "09e9a4b216dbb4993d22dcf778fcbe3e5d8ae14ab8935266ab976ca62fb7dd46"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Ok(try!(unsafe { SharedMutexReadGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Ok(try!(unsafe { SharedMutexWriteGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling scoped-pool v0.1.10
[INFO] [stderr]    Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Ok(try!(unsafe { SharedMutexReadGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Ok(try!(unsafe { SharedMutexWriteGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "09e9a4b216dbb4993d22dcf778fcbe3e5d8ae14ab8935266ab976ca62fb7dd46"`
[INFO] running `"docker" "rm" "-f" "09e9a4b216dbb4993d22dcf778fcbe3e5d8ae14ab8935266ab976ca62fb7dd46"`
[INFO] [stdout] 09e9a4b216dbb4993d22dcf778fcbe3e5d8ae14ab8935266ab976ca62fb7dd46
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9480044373c180f19d9e4fe985cde4528c3fac3d9f0f8e135222dc84093a8ce7
[INFO] running `"docker" "start" "-a" "9480044373c180f19d9e4fe985cde4528c3fac3d9f0f8e135222dc84093a8ce7"`
[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:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Ok(try!(unsafe { SharedMutexReadGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Ok(try!(unsafe { SharedMutexWriteGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Ok(try!(unsafe { SharedMutexReadGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Ok(try!(unsafe { SharedMutexWriteGuard::new(self) }))
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_mutex-085b746df5356819
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test raw::test::test_raw_is ... ok
[INFO] [stdout] test test::test_mapping ... ok
[INFO] [stdout] test test::test_try_locking ... ok
[INFO] [stdout] test test::test_map_recover ... ok
[INFO] [stdout] test test::test_simple_multithreaded ... ok
[INFO] [stdout] test test::test_simple_single_thread ... ok
[INFO] [stdout] test test::test_simple_waiting ... ok
[INFO] [stdout] test test::test_locking_multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared-mutex
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9480044373c180f19d9e4fe985cde4528c3fac3d9f0f8e135222dc84093a8ce7"`
[INFO] running `"docker" "rm" "-f" "9480044373c180f19d9e4fe985cde4528c3fac3d9f0f8e135222dc84093a8ce7"`
[INFO] [stdout] 9480044373c180f19d9e4fe985cde4528c3fac3d9f0f8e135222dc84093a8ce7