[INFO] fetching crate flexible-locks 0.1.0...
[INFO] testing flexible-locks-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate flexible-locks 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flexible-locks 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexible-locks 0.1.0
[INFO] finished tweaking crates.io crate flexible-locks 0.1.0
[INFO] tweaked toml for crates.io crate flexible-locks 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144b0718dd6601ed66c8967ce6b7084a3b1f1771a68102f3043a5e803e114e47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "144b0718dd6601ed66c8967ce6b7084a3b1f1771a68102f3043a5e803e114e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144b0718dd6601ed66c8967ce6b7084a3b1f1771a68102f3043a5e803e114e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144b0718dd6601ed66c8967ce6b7084a3b1f1771a68102f3043a5e803e114e47", kill_on_drop: false }`
[INFO] [stdout] 144b0718dd6601ed66c8967ce6b7084a3b1f1771a68102f3043a5e803e114e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663accbc1897db42af4a016dbfd1b980d75ff24bb62632c160ef2c6d01a54ecf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "663accbc1897db42af4a016dbfd1b980d75ff24bb62632c160ef2c6d01a54ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling flexible-locks_derive v0.1.0
[INFO] [stderr]    Compiling flexible-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/os.rs:257:51
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "663accbc1897db42af4a016dbfd1b980d75ff24bb62632c160ef2c6d01a54ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663accbc1897db42af4a016dbfd1b980d75ff24bb62632c160ef2c6d01a54ecf", kill_on_drop: false }`
[INFO] [stdout] 663accbc1897db42af4a016dbfd1b980d75ff24bb62632c160ef2c6d01a54ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf2c36d0f13515230a96a09dd59912a046eb3bc8035db95d3b32ae821bf22a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bf2c36d0f13515230a96a09dd59912a046eb3bc8035db95d3b32ae821bf22a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexible-locks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/os.rs:257:51
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/os.rs:257:51
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "6bf2c36d0f13515230a96a09dd59912a046eb3bc8035db95d3b32ae821bf22a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf2c36d0f13515230a96a09dd59912a046eb3bc8035db95d3b32ae821bf22a0", kill_on_drop: false }`
[INFO] [stdout] 6bf2c36d0f13515230a96a09dd59912a046eb3bc8035db95d3b32ae821bf22a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8085cf00405e036f11b169f3ead18a816999946521e309106e1244bb9e907dd3
[INFO] running `Command { std: "docker" "start" "-a" "8085cf00405e036f11b169f3ead18a816999946521e309106e1244bb9e907dd3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/os.rs:257:51
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/os.rs:257:51
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flexible_locks-f937c82c246df279)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::base::smoke ... ok
[INFO] [stdout] test tests::boxed::smoke ... ok
[INFO] [stdout] test tests::boxed::test_into_inner_drop ... ok
[INFO] [stdout] test tests::boxed::test_mutex_unsized ... ok
[INFO] [stdout] test tests::wrap::test_into_inner ... ok
[INFO] [stderr]    Doc-tests flexible-locks
[INFO] [stdout] test tests::boxed::test_mutex_arc_nested ... ok
[INFO] [stdout] test tests::wrap::test_mutex_unsized ... ok
[INFO] [stdout] test tests::boxed::test_get_mut ... ok
[INFO] [stdout] test tests::wrap::test_get_mut ... ok
[INFO] [stdout] test tests::wrap::smoke ... ok
[INFO] [stdout] test tests::wrap::test_into_inner_drop ... ok
[INFO] [stdout] test tests::boxed::test_into_inner ... ok
[INFO] [stdout] test tests::wrap::lots_and_lots ... ok
[INFO] [stdout] test tests::boxed::lots_and_lots ... ok
[INFO] [stdout] test tests::wrap::test_mutex_arc_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/os.rs - raw_os_mutex_new (line 133) ... ok
[INFO] [stdout] test src/lib.rs - MutexProtected (line 134) ... ok
[INFO] [stdout] test src/lib.rs - MutexProtected::DataType (line 168) ... ok
[INFO] [stdout] test src/lib.rs - mutex_new (line 353) ... ok
[INFO] [stdout] test src/lib.rs - MutexWrap<M, T>::new (line 708) ... ok
[INFO] [stdout] test src/os.rs - pthread_mutex_new (line 288) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::new (line 425) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::into_inner (line 472) ... ok
[INFO] [stdout] test src/lib.rs - MutexWrap<M, T>::into_inner (line 735) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::get_mut (line 589) ... ok
[INFO] [stdout] test src/lib.rs - MutexWrap<M, T>::get_mut (line 819) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::lock (line 541) ... ok
[INFO] [stdout] test src/lib.rs - MutexWrap<M, T>::lock (line 783) ... ok
[INFO] [stdout] test src/lib.rs - Mutex (line 276) ... ok
[INFO] [stdout] test src/lib.rs - MutexWrap (line 653) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8085cf00405e036f11b169f3ead18a816999946521e309106e1244bb9e907dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8085cf00405e036f11b169f3ead18a816999946521e309106e1244bb9e907dd3", kill_on_drop: false }`
[INFO] [stdout] 8085cf00405e036f11b169f3ead18a816999946521e309106e1244bb9e907dd3