[INFO] crate want 0.3.0 is already in cache
[INFO] testing want-0.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate want 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate want 0.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate want 0.3.0
[INFO] finished tweaking crates.io crate want 0.3.0
[INFO] tweaked toml for crates.io crate want 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabdc67b2ec135130ab8a678683d8bc5a048963e96ea290ffc53bd87b4b66fdc
[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" "fabdc67b2ec135130ab8a678683d8bc5a048963e96ea290ffc53bd87b4b66fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabdc67b2ec135130ab8a678683d8bc5a048963e96ea290ffc53bd87b4b66fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabdc67b2ec135130ab8a678683d8bc5a048963e96ea290ffc53bd87b4b66fdc", kill_on_drop: false }`
[INFO] [stdout] fabdc67b2ec135130ab8a678683d8bc5a048963e96ea290ffc53bd87b4b66fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864e53d8fb018c761400fe687c742474d6f2dc4655fbe4ae6735f9da417f1ee1
[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" "864e53d8fb018c761400fe687c742474d6f2dc4655fbe4ae6735f9da417f1ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling want v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:209:63
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:352:63
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "864e53d8fb018c761400fe687c742474d6f2dc4655fbe4ae6735f9da417f1ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864e53d8fb018c761400fe687c742474d6f2dc4655fbe4ae6735f9da417f1ee1", kill_on_drop: false }`
[INFO] [stdout] 864e53d8fb018c761400fe687c742474d6f2dc4655fbe4ae6735f9da417f1ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 713b4cc5bb0543101aad96910a491fb0ae373a94493634fa09f3190473b9fbcc
[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" "713b4cc5bb0543101aad96910a491fb0ae373a94493634fa09f3190473b9fbcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:209:63
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:352:63
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling want v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:209:63
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stdout]    --> src/lib.rs:352:63
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[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 7.45s
[INFO] running `Command { std: "docker" "inspect" "713b4cc5bb0543101aad96910a491fb0ae373a94493634fa09f3190473b9fbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713b4cc5bb0543101aad96910a491fb0ae373a94493634fa09f3190473b9fbcc", kill_on_drop: false }`
[INFO] [stdout] 713b4cc5bb0543101aad96910a491fb0ae373a94493634fa09f3190473b9fbcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d35aac6664977ded13c829d7939b82ad87d7556166408a86b29e9768b1ba83c3
[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" "d35aac6664977ded13c829d7939b82ad87d7556166408a86b29e9768b1ba83c3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stderr]    --> src/lib.rs:209:63
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stderr]    --> src/lib.rs:352:63
[INFO] [stderr]     |
[INFO] [stderr] 352 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stderr]    --> src/lib.rs:209:63
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try_lock::TryLock::<T>::try_lock_order': This method is actually unsafe because it unsafely allows the use of weaker memory ordering. Please use try_lock_explicit instead
[INFO] [stderr]    --> src/lib.rs:352:63
[INFO] [stderr]     |
[INFO] [stderr] 352 |                     if let Some(mut locked) = self.inner.task.try_lock_order(SeqCst, SeqCst) {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/want-eab011e3d603974a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::want_ready ... ok
[INFO] [stdout] test tests::cancel ... ok
[INFO] [stderr]    Doc-tests want
[INFO] [stdout] test tests::want_notify_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d35aac6664977ded13c829d7939b82ad87d7556166408a86b29e9768b1ba83c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35aac6664977ded13c829d7939b82ad87d7556166408a86b29e9768b1ba83c3", kill_on_drop: false }`
[INFO] [stdout] d35aac6664977ded13c829d7939b82ad87d7556166408a86b29e9768b1ba83c3