[INFO] fetching crate uexec 0.1.4...
[INFO] testing uexec-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate uexec 0.1.4 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate uexec 0.1.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uexec 0.1.4
[INFO] finished tweaking crates.io crate uexec 0.1.4
[INFO] tweaked toml for crates.io crate uexec 0.1.4 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate uexec 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4979979567e20bf75378bcf957178c926337efc1e63d4d640d4dc9a75541dae
[INFO] running `Command { std: "docker" "start" "-a" "c4979979567e20bf75378bcf957178c926337efc1e63d4d640d4dc9a75541dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4979979567e20bf75378bcf957178c926337efc1e63d4d640d4dc9a75541dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4979979567e20bf75378bcf957178c926337efc1e63d4d640d4dc9a75541dae", kill_on_drop: false }`
[INFO] [stdout] c4979979567e20bf75378bcf957178c926337efc1e63d4d640d4dc9a75541dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e1bfeef63b662facaeb5cc688536e6c9947eb8d77ec7dccf6cbea540cd5dbf
[INFO] running `Command { std: "docker" "start" "-a" "50e1bfeef63b662facaeb5cc688536e6c9947eb8d77ec7dccf6cbea540cd5dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling spinning_top v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling flume v0.10.5
[INFO] [stderr]    Compiling uexec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `Command { std: "docker" "inspect" "50e1bfeef63b662facaeb5cc688536e6c9947eb8d77ec7dccf6cbea540cd5dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e1bfeef63b662facaeb5cc688536e6c9947eb8d77ec7dccf6cbea540cd5dbf", kill_on_drop: false }`
[INFO] [stdout] 50e1bfeef63b662facaeb5cc688536e6c9947eb8d77ec7dccf6cbea540cd5dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4456babd2a0b05625d8b8706805389c4f209c3f6a0db7a5c727bce0a4102621d
[INFO] running `Command { std: "docker" "start" "-a" "4456babd2a0b05625d8b8706805389c4f209c3f6a0db7a5c727bce0a4102621d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling uexec v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/uexec-2c99ec27873c27d4)
[INFO] [stderr]   Executable tests/basic.rs (/opt/rustwide/target/debug/deps/basic-18b9e00707a20f3b)
[INFO] [stderr]   Executable tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-f4e06c591ad4e7e0)
[INFO] [stderr]   Executable tests/workers.rs (/opt/rustwide/target/debug/deps/workers-1c8cd437d77cde57)
[INFO] [stderr]   Executable tests/yield_now.rs (/opt/rustwide/target/debug/deps/yield_now-07e37ec64a19c528)
[INFO] running `Command { std: "docker" "inspect" "4456babd2a0b05625d8b8706805389c4f209c3f6a0db7a5c727bce0a4102621d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4456babd2a0b05625d8b8706805389c4f209c3f6a0db7a5c727bce0a4102621d", kill_on_drop: false }`
[INFO] [stdout] 4456babd2a0b05625d8b8706805389c4f209c3f6a0db7a5c727bce0a4102621d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97462a88e5f259dc6ec8d70969ac0934c9e8c2ffb30ede3f2a57b5752c74baf9
[INFO] running `Command { std: "docker" "start" "-a" "97462a88e5f259dc6ec8d70969ac0934c9e8c2ffb30ede3f2a57b5752c74baf9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uexec-2c99ec27873c27d4)
[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/basic.rs (/opt/rustwide/target/debug/deps/basic-18b9e00707a20f3b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-f4e06c591ad4e7e0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cancel_finished ... ok
[INFO] [stdout] test cancel_pending ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/workers.rs (/opt/rustwide/target/debug/deps/workers-1c8cd437d77cde57)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test workers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/yield_now.rs (/opt/rustwide/target/debug/deps/yield_now-07e37ec64a19c528)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test yield_now ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.85s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uexec
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - spawn_workers (line 147) ... ok
[INFO] [stdout] test src/lib.rs - terminate_workers (line 160) ... ok
[INFO] [stdout] test src/lib.rs - block_on (line 82) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 98) ... ok
[INFO] [stdout] test src/lib.rs - spawn_local (line 124) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97462a88e5f259dc6ec8d70969ac0934c9e8c2ffb30ede3f2a57b5752c74baf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97462a88e5f259dc6ec8d70969ac0934c9e8c2ffb30ede3f2a57b5752c74baf9", kill_on_drop: false }`
[INFO] [stdout] 97462a88e5f259dc6ec8d70969ac0934c9e8c2ffb30ede3f2a57b5752c74baf9