[INFO] fetching crate fpool 0.5.0...
[INFO] testing fpool-0.5.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fpool 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fpool 0.5.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fpool 0.5.0
[INFO] finished tweaking crates.io crate fpool 0.5.0
[INFO] tweaked toml for crates.io crate fpool 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fpool 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 259d2e4434d5d4e0f9c1dd31383d962746ae83b2e6453c17cc6a347a995178c3
[INFO] running `Command { std: "docker" "start" "-a" "259d2e4434d5d4e0f9c1dd31383d962746ae83b2e6453c17cc6a347a995178c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "259d2e4434d5d4e0f9c1dd31383d962746ae83b2e6453c17cc6a347a995178c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259d2e4434d5d4e0f9c1dd31383d962746ae83b2e6453c17cc6a347a995178c3", kill_on_drop: false }`
[INFO] [stdout] 259d2e4434d5d4e0f9c1dd31383d962746ae83b2e6453c17cc6a347a995178c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d2460aafa477a8135a3ac7f89b13f80f6d47a1b810c2b2f451bd2087fcda1d
[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" "b6d2460aafa477a8135a3ac7f89b13f80f6d47a1b810c2b2f451bd2087fcda1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpool v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "b6d2460aafa477a8135a3ac7f89b13f80f6d47a1b810c2b2f451bd2087fcda1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d2460aafa477a8135a3ac7f89b13f80f6d47a1b810c2b2f451bd2087fcda1d", kill_on_drop: false }`
[INFO] [stdout] b6d2460aafa477a8135a3ac7f89b13f80f6d47a1b810c2b2f451bd2087fcda1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153b2ac391da0e5a9f12af204fb78f4e90afa335c12ab54577ffc23fe8f4775d
[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" "153b2ac391da0e5a9f12af204fb78f4e90afa335c12ab54577ffc23fe8f4775d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpool v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "153b2ac391da0e5a9f12af204fb78f4e90afa335c12ab54577ffc23fe8f4775d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153b2ac391da0e5a9f12af204fb78f4e90afa335c12ab54577ffc23fe8f4775d", kill_on_drop: false }`
[INFO] [stdout] 153b2ac391da0e5a9f12af204fb78f4e90afa335c12ab54577ffc23fe8f4775d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] e34c372cffbb1558c17a13ced7bcb35f455d48e71e5e5c4cb13fcb5380c790be
[INFO] running `Command { std: "docker" "start" "-a" "e34c372cffbb1558c17a13ced7bcb35f455d48e71e5e5c4cb13fcb5380c790be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fpool-fc88db53e5de456b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pool::round_robin_pool::tests::works_in_round_robin_fashion ... ok
[INFO] [stdout] test pool::round_robin_pool::tests::refills_items_as_expected ... 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]    Doc-tests fpool
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 19) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e34c372cffbb1558c17a13ced7bcb35f455d48e71e5e5c4cb13fcb5380c790be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34c372cffbb1558c17a13ced7bcb35f455d48e71e5e5c4cb13fcb5380c790be", kill_on_drop: false }`
[INFO] [stdout] e34c372cffbb1558c17a13ced7bcb35f455d48e71e5e5c4cb13fcb5380c790be