[INFO] fetching crate slave-pool 0.4.0...
[INFO] testing slave-pool-0.4.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate slave-pool 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate slave-pool 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slave-pool 0.4.0
[INFO] tweaked toml for crates.io crate slave-pool 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slave-pool 0.4.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slave-pool 0.4.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] facdace2c8173a6c32abbb29a54c2d8a138f03f84b2c5748fbc9719d34e2ff11
[INFO] running `Command { std: "docker" "start" "-a" "facdace2c8173a6c32abbb29a54c2d8a138f03f84b2c5748fbc9719d34e2ff11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "facdace2c8173a6c32abbb29a54c2d8a138f03f84b2c5748fbc9719d34e2ff11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facdace2c8173a6c32abbb29a54c2d8a138f03f84b2c5748fbc9719d34e2ff11", kill_on_drop: false }`
[INFO] [stdout] facdace2c8173a6c32abbb29a54c2d8a138f03f84b2c5748fbc9719d34e2ff11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5c03aa2658d09abb50cd56d15523f93f41c581728ec5ce7ee6579ad4fdd8fa
[INFO] running `Command { std: "docker" "start" "-a" "be5c03aa2658d09abb50cd56d15523f93f41c581728ec5ce7ee6579ad4fdd8fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling slave-pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "be5c03aa2658d09abb50cd56d15523f93f41c581728ec5ce7ee6579ad4fdd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5c03aa2658d09abb50cd56d15523f93f41c581728ec5ce7ee6579ad4fdd8fa", kill_on_drop: false }`
[INFO] [stdout] be5c03aa2658d09abb50cd56d15523f93f41c581728ec5ce7ee6579ad4fdd8fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e07a6461a17e4ad0ee1541d927775e3868e5f0ede20669a54d1d0ee10e02e752
[INFO] running `Command { std: "docker" "start" "-a" "e07a6461a17e4ad0ee1541d927775e3868e5f0ede20669a54d1d0ee10e02e752", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-waker v1.2.0
[INFO] [stderr]    Compiling slave-pool v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "e07a6461a17e4ad0ee1541d927775e3868e5f0ede20669a54d1d0ee10e02e752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07a6461a17e4ad0ee1541d927775e3868e5f0ede20669a54d1d0ee10e02e752", kill_on_drop: false }`
[INFO] [stdout] e07a6461a17e4ad0ee1541d927775e3868e5f0ede20669a54d1d0ee10e02e752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 968f80ae205e016a98351d1988e26f68a7a76013efe0cd402629b6eea09701a6
[INFO] running `Command { std: "docker" "start" "-a" "968f80ae205e016a98351d1988e26f68a7a76013efe0cd402629b6eea09701a6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slave_pool-1863f3ae91278dfd)
[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] [stderr]      Running tests/it_works.rs (/opt/rustwide/target/debug/deps/it_works-064756fc6543b825)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test should_process_sender_drop_after_all_handles_dead ... ok
[INFO] [stdout] test should_shutdown_and_restart ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test should_process_receiver_drop_after_all_senders_shutdown ... ok
[INFO] [stdout] test should_spawn_over_capacity ... ok
[INFO] [stdout] test should_spawn_and_over_capacity ... ok
[INFO] [stdout] test should_handle_drop ... ok
[INFO] [stdout] test should_spawn_and_complete_once_available ... ok
[INFO] [stdout] test should_handle_drop_many ... ok
[INFO] [stderr]      Running tests/oneshot.rs (/opt/rustwide/target/debug/deps/oneshot-eccbb606a25524a5)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.54s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_poll ... ok
[INFO] [stdout] test should_correctly_drop_receiver_after_poll ... ok
[INFO] [stdout] test should_correctly_drop_receiver_after_try ... ok
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_try ... ok
[INFO] [stdout] test should_correctly_drop_sender_after_receiver_poll ... ok
[INFO] [stdout] test should_correctly_receive_after_poll ... ok
[INFO] [stdout] test should_correctly_receive_after_try ... ok
[INFO] [stdout] test should_correctly_error_on_send_dropped_after_timeout ... ok
[INFO] [stdout] test should_correctly_drop_receiver_after_timeout ... ok
[INFO] [stdout] test should_correctly_receive_after_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-c7505ff4d8e58b09)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test should_verify_worker_restart_after_panic ... ok
[INFO] [stdout] test should_process_receiver_drop_after_all_senders_dead ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slave_pool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "968f80ae205e016a98351d1988e26f68a7a76013efe0cd402629b6eea09701a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968f80ae205e016a98351d1988e26f68a7a76013efe0cd402629b6eea09701a6", kill_on_drop: false }`
[INFO] [stdout] 968f80ae205e016a98351d1988e26f68a7a76013efe0cd402629b6eea09701a6