[INFO] fetching crate coachman 0.3.0...
[INFO] testing coachman-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate coachman 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate coachman 0.3.0
[INFO] finished tweaking crates.io crate coachman 0.3.0
[INFO] tweaked toml for crates.io crate coachman 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate coachman 0.3.0 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] crate crates.io crate coachman 0.3.0 already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3bcf0cecc54d719be10fadb36cc76dd0d098ee38b822f8ab170bae1693c453f3
[INFO] running `Command { std: "docker" "start" "-a" "3bcf0cecc54d719be10fadb36cc76dd0d098ee38b822f8ab170bae1693c453f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bcf0cecc54d719be10fadb36cc76dd0d098ee38b822f8ab170bae1693c453f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcf0cecc54d719be10fadb36cc76dd0d098ee38b822f8ab170bae1693c453f3", kill_on_drop: false }`
[INFO] [stdout] 3bcf0cecc54d719be10fadb36cc76dd0d098ee38b822f8ab170bae1693c453f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 23a6f06543a6ca5e98439ea6f9c77a294fdfd10367c364833c1906550b5bfa1b
[INFO] running `Command { std: "docker" "start" "-a" "23a6f06543a6ca5e98439ea6f9c77a294fdfd10367c364833c1906550b5bfa1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling coachman v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "23a6f06543a6ca5e98439ea6f9c77a294fdfd10367c364833c1906550b5bfa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a6f06543a6ca5e98439ea6f9c77a294fdfd10367c364833c1906550b5bfa1b", kill_on_drop: false }`
[INFO] [stdout] 23a6f06543a6ca5e98439ea6f9c77a294fdfd10367c364833c1906550b5bfa1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e2ef8dc0747f73e7fb63a7ff2733a2863d3737a3d836821b939880c7cc50533a
[INFO] running `Command { std: "docker" "start" "-a" "e2ef8dc0747f73e7fb63a7ff2733a2863d3737a3d836821b939880c7cc50533a", kill_on_drop: false }`
[INFO] [stderr]    Compiling coachman v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/task_manager.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     tokio::time::timeout(time::Duration::from_secs(5), task_manager.process(false)).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let _ = tokio::time::timeout(time::Duration::from_secs(5), task_manager.process(false)).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/manager.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 295 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/manager.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "e2ef8dc0747f73e7fb63a7ff2733a2863d3737a3d836821b939880c7cc50533a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ef8dc0747f73e7fb63a7ff2733a2863d3737a3d836821b939880c7cc50533a", kill_on_drop: false }`
[INFO] [stdout] e2ef8dc0747f73e7fb63a7ff2733a2863d3737a3d836821b939880c7cc50533a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 51e70ca80b917032c711abecd37eeeda8f64e0ef94416ebbe402374bf388dc14
[INFO] running `Command { std: "docker" "start" "-a" "51e70ca80b917032c711abecd37eeeda8f64e0ef94416ebbe402374bf388dc14", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/task_manager.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     tokio::time::timeout(time::Duration::from_secs(5), task_manager.process(false)).await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 13 tests
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let _ = tokio::time::timeout(time::Duration::from_secs(5), task_manager.process(false)).await;
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `coachman` (example "task_manager") generated 1 warning
[INFO] [stderr] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stderr]    --> src/manager.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         tokio::task::yield_now().await;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let _ = tokio::task::yield_now().await;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stderr]    --> src/manager.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         tokio::task::yield_now().await;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 304 |         let _ = tokio::task::yield_now().await;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `coachman` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coachman-d77ec8d1736946e9)
[INFO] [stdout] test manager::tests::test_task_abortion ... ok
[INFO] [stdout] test manager::tests::test_task_detach ... ok
[INFO] [stdout] test manager::tests::test_task_manager_overflow ... ok
[INFO] [stdout] test task::tests::test_cancellation_order ... ok
[INFO] [stdout] test manager::tests::test_task_manager_cancellation ... ok
[INFO] [stdout] test task::tests::test_is_task_canceled ... ok
[INFO] [stdout] test task::tests::test_task_abortion ... ok
[INFO] [stdout] test task::tests::test_task_cancellation ... ok
[INFO] [stdout] test manager::tests::test_processing_loop ... ok
[INFO] [stdout] test manager::tests::test_task_manager_abortion ... ok
[INFO] [stdout] test manager::tests::test_task_unwinding_enabled - should panic ... ok
[INFO] [stdout] test manager::tests::test_task_unwinding_disabled ... ok
[INFO] [stdout] test task::tests::test_task_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coachman
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/macros.rs - macros::try_await (line 44) ... ok
[INFO] [stdout] test src/task.rs - task (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51e70ca80b917032c711abecd37eeeda8f64e0ef94416ebbe402374bf388dc14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e70ca80b917032c711abecd37eeeda8f64e0ef94416ebbe402374bf388dc14", kill_on_drop: false }`
[INFO] [stdout] 51e70ca80b917032c711abecd37eeeda8f64e0ef94416ebbe402374bf388dc14