[INFO] fetching crate simple_spawner 0.3.0-alpha.17...
[INFO] testing simple_spawner-0.3.0-alpha.17 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate simple_spawner 0.3.0-alpha.17 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate simple_spawner 0.3.0-alpha.17
[INFO] finished tweaking crates.io crate simple_spawner 0.3.0-alpha.17
[INFO] tweaked toml for crates.io crate simple_spawner 0.3.0-alpha.17 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_spawner 0.3.0-alpha.17 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding futures-channel-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-core-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-executor-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-io-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-sink-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-util-preview v0.3.0-alpha.17 (available: v0.3.0-alpha.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76e03d15865c16e41d067b27fc3169efab03f4deed3508ebf757e77707d8d4b5
[INFO] running `Command { std: "docker" "start" "-a" "76e03d15865c16e41d067b27fc3169efab03f4deed3508ebf757e77707d8d4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e03d15865c16e41d067b27fc3169efab03f4deed3508ebf757e77707d8d4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e03d15865c16e41d067b27fc3169efab03f4deed3508ebf757e77707d8d4b5", kill_on_drop: false }`
[INFO] [stdout] 76e03d15865c16e41d067b27fc3169efab03f4deed3508ebf757e77707d8d4b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33b39ce7118affe16537a4fbc4439ab7abda9c18eabab116f50e61e1f80d35e
[INFO] running `Command { std: "docker" "start" "-a" "a33b39ce7118affe16537a4fbc4439ab7abda9c18eabab116f50e61e1f80d35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling simple_spawner v0.3.0-alpha.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> src/cpu_pool.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "a33b39ce7118affe16537a4fbc4439ab7abda9c18eabab116f50e61e1f80d35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33b39ce7118affe16537a4fbc4439ab7abda9c18eabab116f50e61e1f80d35e", kill_on_drop: false }`
[INFO] [stdout] a33b39ce7118affe16537a4fbc4439ab7abda9c18eabab116f50e61e1f80d35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41d79775dd5e79432b8a099e15ddece4fedd739b0d23ef3fe630cc7c5b5854b5
[INFO] running `Command { std: "docker" "start" "-a" "41d79775dd5e79432b8a099e15ddece4fedd739b0d23ef3fe630cc7c5b5854b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_spawner v0.3.0-alpha.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> src/cpu_pool.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> src/cpu_pool.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "41d79775dd5e79432b8a099e15ddece4fedd739b0d23ef3fe630cc7c5b5854b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d79775dd5e79432b8a099e15ddece4fedd739b0d23ef3fe630cc7c5b5854b5", kill_on_drop: false }`
[INFO] [stdout] 41d79775dd5e79432b8a099e15ddece4fedd739b0d23ef3fe630cc7c5b5854b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5037d578534cdacde344c714cd6094ad5313a19e22d5708418bf181178fe4446
[INFO] running `Command { std: "docker" "start" "-a" "5037d578534cdacde344c714cd6094ad5313a19e22d5708418bf181178fe4446", kill_on_drop: false }`
[INFO] [stderr] warning: trait `AssertSendSync` is never used
[INFO] [stderr]   --> src/cpu_pool.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_spawner` (lib) generated 1 warning
[INFO] [stderr] warning: `simple_spawner` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_spawner-f96a7e181459965f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test cpu_pool::tests::test_drop_after_start has been running for over 60 seconds
[INFO] [stdout] test cpu_pool::tests::test_drop_after_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 60.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_spawner
[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" "5037d578534cdacde344c714cd6094ad5313a19e22d5708418bf181178fe4446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5037d578534cdacde344c714cd6094ad5313a19e22d5708418bf181178fe4446", kill_on_drop: false }`
[INFO] [stdout] 5037d578534cdacde344c714cd6094ad5313a19e22d5708418bf181178fe4446