[INFO] fetching crate killable_thread 0.2.2...
[INFO] testing killable_thread-0.2.2 against try#46592174fb13958bb9a2aa0d7af6c1224e1d7143 for pr-83796
[INFO] extracting crate killable_thread 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate killable_thread 0.2.2 on toolchain 46592174fb13958bb9a2aa0d7af6c1224e1d7143
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate killable_thread 0.2.2
[INFO] finished tweaking crates.io crate killable_thread 0.2.2
[INFO] tweaked toml for crates.io crate killable_thread 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909fae42af20c8897897ac478c6c4fd696609b382c9180bab4198fd6842f298c
[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" "909fae42af20c8897897ac478c6c4fd696609b382c9180bab4198fd6842f298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909fae42af20c8897897ac478c6c4fd696609b382c9180bab4198fd6842f298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909fae42af20c8897897ac478c6c4fd696609b382c9180bab4198fd6842f298c", kill_on_drop: false }`
[INFO] [stdout] 909fae42af20c8897897ac478c6c4fd696609b382c9180bab4198fd6842f298c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "build" "--frozen" "--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] 1107ee30570441a5755111086ae50168c3340bffd8a9462100850680672538ed
[INFO] running `Command { std: "docker" "start" "-a" "1107ee30570441a5755111086ae50168c3340bffd8a9462100850680672538ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling killable_thread v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "1107ee30570441a5755111086ae50168c3340bffd8a9462100850680672538ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1107ee30570441a5755111086ae50168c3340bffd8a9462100850680672538ed", kill_on_drop: false }`
[INFO] [stdout] 1107ee30570441a5755111086ae50168c3340bffd8a9462100850680672538ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35696fc6f2689632478a77a5894da1dcec52fe0fbd99346fd4422b848223543
[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" "e35696fc6f2689632478a77a5894da1dcec52fe0fbd99346fd4422b848223543", kill_on_drop: false }`
[INFO] [stderr]    Compiling killable_thread v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stopping`
[INFO] [stdout]    --> src/lib.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let stopping = Stopping::new(spawn(move |stopped|
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopping`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `joining`
[INFO] [stdout]    --> src/lib.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let joining = Joining::new(spawn(move |stopped|
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_joining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "e35696fc6f2689632478a77a5894da1dcec52fe0fbd99346fd4422b848223543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35696fc6f2689632478a77a5894da1dcec52fe0fbd99346fd4422b848223543", kill_on_drop: false }`
[INFO] [stdout] e35696fc6f2689632478a77a5894da1dcec52fe0fbd99346fd4422b848223543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41c86b5f97afcc2bf01e6cfc126c3b980a0a351a90842c2e8b86f4f30f5bce16
[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" "41c86b5f97afcc2bf01e6cfc126c3b980a0a351a90842c2e8b86f4f30f5bce16", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `stopping`
[INFO] [stdout] running 3 tests
[INFO] [stderr]    --> src/lib.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let stopping = Stopping::new(spawn(move |stopped|
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopping`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `joining`
[INFO] [stderr]    --> src/lib.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let joining = Joining::new(spawn(move |stopped|
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_joining`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/killable_thread-cb1867f53dfe1777)
[INFO] [stdout] test test_stoppable_thead_builder_with_name ... ok
[INFO] [stdout] test test_stoppable_thead ... ok
[INFO] [stderr]    Doc-tests killable_thread
[INFO] [stdout] test test_guard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41c86b5f97afcc2bf01e6cfc126c3b980a0a351a90842c2e8b86f4f30f5bce16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c86b5f97afcc2bf01e6cfc126c3b980a0a351a90842c2e8b86f4f30f5bce16", kill_on_drop: false }`
[INFO] [stdout] 41c86b5f97afcc2bf01e6cfc126c3b980a0a351a90842c2e8b86f4f30f5bce16