[INFO] fetching crate stop-handle 0.1.0...
[INFO] testing stop-handle-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate stop-handle 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stop-handle 0.1.0
[INFO] finished tweaking crates.io crate stop-handle 0.1.0
[INFO] tweaked toml for crates.io crate stop-handle 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stop-handle 0.1.0 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 stop-handle 0.1.0 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] 845825b9e2351afd79697487606dab24dfd199290922d5ba06ada15be797703d
[INFO] running `Command { std: "docker" "start" "-a" "845825b9e2351afd79697487606dab24dfd199290922d5ba06ada15be797703d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "845825b9e2351afd79697487606dab24dfd199290922d5ba06ada15be797703d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845825b9e2351afd79697487606dab24dfd199290922d5ba06ada15be797703d", kill_on_drop: false }`
[INFO] [stdout] 845825b9e2351afd79697487606dab24dfd199290922d5ba06ada15be797703d
[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] 9e57c2281d90eeac3bce532d3d1a2a9637475b1a3748524ff05d2b3e5122426c
[INFO] running `Command { std: "docker" "start" "-a" "9e57c2281d90eeac3bce532d3d1a2a9637475b1a3748524ff05d2b3e5122426c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling stop-handle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / pin_project! {
[INFO] [stdout] 82 | |     pub struct StopWait<T> {
[INFO] [stdout] 83 | |         #[pin]
[INFO] [stdout] 84 | |         inner: Fuse<oneshot::Receiver<T>>,
[INFO] [stdout] 85 | |     }
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "9e57c2281d90eeac3bce532d3d1a2a9637475b1a3748524ff05d2b3e5122426c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e57c2281d90eeac3bce532d3d1a2a9637475b1a3748524ff05d2b3e5122426c", kill_on_drop: false }`
[INFO] [stdout] 9e57c2281d90eeac3bce532d3d1a2a9637475b1a3748524ff05d2b3e5122426c
[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] cda31471fc2aa871e77ce34a51534ae20c9d31fca640144c92ff0dedc9494d64
[INFO] running `Command { std: "docker" "start" "-a" "cda31471fc2aa871e77ce34a51534ae20c9d31fca640144c92ff0dedc9494d64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / pin_project! {
[INFO] [stdout] 82 | |     pub struct StopWait<T> {
[INFO] [stdout] 83 | |         #[pin]
[INFO] [stdout] 84 | |         inner: Fuse<oneshot::Receiver<T>>,
[INFO] [stdout] 85 | |     }
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling stop-handle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / pin_project! {
[INFO] [stdout] 82 | |     pub struct StopWait<T> {
[INFO] [stdout] 83 | |         #[pin]
[INFO] [stdout] 84 | |         inner: Fuse<oneshot::Receiver<T>>,
[INFO] [stdout] 85 | |     }
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "cda31471fc2aa871e77ce34a51534ae20c9d31fca640144c92ff0dedc9494d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda31471fc2aa871e77ce34a51534ae20c9d31fca640144c92ff0dedc9494d64", kill_on_drop: false }`
[INFO] [stdout] cda31471fc2aa871e77ce34a51534ae20c9d31fca640144c92ff0dedc9494d64
[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] 63cd1f4e94951cb7222b9d4d49b1dde5ba32a32ae391bebdfa3b2d442c76009f
[INFO] running `Command { std: "docker" "start" "-a" "63cd1f4e94951cb7222b9d4d49b1dde5ba32a32ae391bebdfa3b2d442c76009f", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/lib.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | / pin_project! {
[INFO] [stderr] 82 | |     pub struct StopWait<T> {
[INFO] [stderr] 83 | |         #[pin]
[INFO] [stderr] 84 | |         inner: Fuse<oneshot::Receiver<T>>,
[INFO] [stderr] 85 | |     }
[INFO] [stderr] 86 | | }
[INFO] [stderr]    | |_^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `stop-handle` (lib) generated 1 warning
[INFO] [stderr] warning: `stop-handle` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stop_handle-0c2c55c5182d331f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_stop_handle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stop_handle
[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" "63cd1f4e94951cb7222b9d4d49b1dde5ba32a32ae391bebdfa3b2d442c76009f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cd1f4e94951cb7222b9d4d49b1dde5ba32a32ae391bebdfa3b2d442c76009f", kill_on_drop: false }`
[INFO] [stdout] 63cd1f4e94951cb7222b9d4d49b1dde5ba32a32ae391bebdfa3b2d442c76009f