[INFO] fetching crate synchronoise 1.0.0...
[INFO] testing synchronoise-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate synchronoise 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate synchronoise 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synchronoise 1.0.0
[INFO] finished tweaking crates.io crate synchronoise 1.0.0
[INFO] tweaked toml for crates.io crate synchronoise 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89572faf9ebadc6bc50dfd0dc6fbacdca3ae6f87cb26f5d08e02eb016a5b3bcb
[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" "89572faf9ebadc6bc50dfd0dc6fbacdca3ae6f87cb26f5d08e02eb016a5b3bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89572faf9ebadc6bc50dfd0dc6fbacdca3ae6f87cb26f5d08e02eb016a5b3bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89572faf9ebadc6bc50dfd0dc6fbacdca3ae6f87cb26f5d08e02eb016a5b3bcb", kill_on_drop: false }`
[INFO] [stdout] 89572faf9ebadc6bc50dfd0dc6fbacdca3ae6f87cb26f5d08e02eb016a5b3bcb
[INFO] running `Command { std: "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" "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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8739db08c5cc146250a634b96534551ca6096f433b7feb992b8ce5414bef82f8
[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" "8739db08c5cc146250a634b96534551ca6096f433b7feb992b8ce5414bef82f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchronoise v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(event.increment());
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "8739db08c5cc146250a634b96534551ca6096f433b7feb992b8ce5414bef82f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8739db08c5cc146250a634b96534551ca6096f433b7feb992b8ce5414bef82f8", kill_on_drop: false }`
[INFO] [stdout] 8739db08c5cc146250a634b96534551ca6096f433b7feb992b8ce5414bef82f8
[INFO] running `Command { std: "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" "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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] c837ba007a4258b77e4bbf3500685e64f6e5cd9a583cd189b994ffc26415da31
[INFO] running `Command { std: "docker" "start" "-a" "c837ba007a4258b77e4bbf3500685e64f6e5cd9a583cd189b994ffc26415da31", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchronoise v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(event.increment());
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(event.increment());
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "c837ba007a4258b77e4bbf3500685e64f6e5cd9a583cd189b994ffc26415da31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c837ba007a4258b77e4bbf3500685e64f6e5cd9a583cd189b994ffc26415da31", kill_on_drop: false }`
[INFO] [stdout] c837ba007a4258b77e4bbf3500685e64f6e5cd9a583cd189b994ffc26415da31
[INFO] running `Command { std: "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" "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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d38e6fb20a9f9082f58614a4b15f9a6d94424db7bf51552ca5d449e2a8dfbe56
[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" "d38e6fb20a9f9082f58614a4b15f9a6d94424db7bf51552ca5d449e2a8dfbe56", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         try!(event.increment());
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:17:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | #![deny(warnings, missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/event.rs:328:9
[INFO] [stderr]     |
[INFO] [stderr] 328 |         try!(event.increment());
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:17:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | #![deny(warnings, missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synchronoise-d273b2cb31e8e9b6
[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] [stderr]    Doc-tests synchronoise
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/phaser.rs - phaser::PhaserCriticalSection (line 60) ... ok
[INFO] [stdout] test src/phaser.rs - phaser::PhaserReadLock (line 90) ... ok
[INFO] [stdout] test src/event.rs - event::CountdownEvent (line 38) ... ok
[INFO] [stdout] test src/event.rs - event::SignalEvent (line 399) ... ok
[INFO] [stdout] test src/event.rs - event::CountdownEvent::guard (line 226) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d38e6fb20a9f9082f58614a4b15f9a6d94424db7bf51552ca5d449e2a8dfbe56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38e6fb20a9f9082f58614a4b15f9a6d94424db7bf51552ca5d449e2a8dfbe56", kill_on_drop: false }`
[INFO] [stdout] d38e6fb20a9f9082f58614a4b15f9a6d94424db7bf51552ca5d449e2a8dfbe56