[INFO] fetching crate promiser 0.0.5...
[INFO] testing promiser-0.0.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate promiser 0.0.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate promiser 0.0.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate promiser 0.0.5
[INFO] finished tweaking crates.io crate promiser 0.0.5
[INFO] tweaked toml for crates.io crate promiser 0.0.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 5a2ed7084de29656829beba7d70f0336b02d951d5c93bc527468420674f71488
[INFO] running `Command { std: "docker" "start" "-a" "5a2ed7084de29656829beba7d70f0336b02d951d5c93bc527468420674f71488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2ed7084de29656829beba7d70f0336b02d951d5c93bc527468420674f71488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2ed7084de29656829beba7d70f0336b02d951d5c93bc527468420674f71488", kill_on_drop: false }`
[INFO] [stdout] 5a2ed7084de29656829beba7d70f0336b02d951d5c93bc527468420674f71488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfb00a5b8d7bcf970c943f82145c23e9e4b068b8f8672294920ac342ffd24f6
[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" "7bfb00a5b8d7bcf970c943f82145c23e9e4b068b8f8672294920ac342ffd24f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if !self.latch.compare_and_swap(false,true,Ordering::Release) {true}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             self.latch.compare_and_swap(true,false,Ordering::Release)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7bfb00a5b8d7bcf970c943f82145c23e9e4b068b8f8672294920ac342ffd24f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfb00a5b8d7bcf970c943f82145c23e9e4b068b8f8672294920ac342ffd24f6", kill_on_drop: false }`
[INFO] [stdout] 7bfb00a5b8d7bcf970c943f82145c23e9e4b068b8f8672294920ac342ffd24f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221fa35498cda15ea2936374c3c45955d3055490cdedaab1b1956b9e661d51ad
[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" "221fa35498cda15ea2936374c3c45955d3055490cdedaab1b1956b9e661d51ad", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if !self.latch.compare_and_swap(false,true,Ordering::Release) {true}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             self.latch.compare_and_swap(true,false,Ordering::Release)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if !self.latch.compare_and_swap(false,true,Ordering::Release) {true}
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/latch.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             self.latch.compare_and_swap(true,false,Ordering::Release)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "221fa35498cda15ea2936374c3c45955d3055490cdedaab1b1956b9e661d51ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221fa35498cda15ea2936374c3c45955d3055490cdedaab1b1956b9e661d51ad", kill_on_drop: false }`
[INFO] [stdout] 221fa35498cda15ea2936374c3c45955d3055490cdedaab1b1956b9e661d51ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40dbe380604a4ab54a44a9d425cf1fcd186559702d27a7d8f50650962242ca7a
[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" "40dbe380604a4ab54a44a9d425cf1fcd186559702d27a7d8f50650962242ca7a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/latch.rs:16:24
[INFO] [stdout] test latch::tests::test_latch ... ok
[INFO] [stderr]    |
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely2 ... ok
[INFO] [stderr] 16 |         if !self.latch.compare_and_swap(false,true,Ordering::Release) {true}
[INFO] [stdout] test promise::tests::test_promise_linear ... ok
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] test promise::tests::test_promise_threaded ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/latch.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |             self.latch.compare_and_swap(true,false,Ordering::Release)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/latch.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if !self.latch.compare_and_swap(false,true,Ordering::Release) {true}
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/latch.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |             self.latch.compare_and_swap(true,false,Ordering::Release)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promiser-d0be65e88d321db5
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely ... ok
[INFO] [stderr]    Doc-tests promiser
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40dbe380604a4ab54a44a9d425cf1fcd186559702d27a7d8f50650962242ca7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dbe380604a4ab54a44a9d425cf1fcd186559702d27a7d8f50650962242ca7a", kill_on_drop: false }`
[INFO] [stdout] 40dbe380604a4ab54a44a9d425cf1fcd186559702d27a7d8f50650962242ca7a