[INFO] fetching crate slings 0.3.14...
[INFO] testing slings-0.3.14 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate slings 0.3.14 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate slings 0.3.14 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 slings 0.3.14
[INFO] finished tweaking crates.io crate slings 0.3.14
[INFO] tweaked toml for crates.io crate slings 0.3.14 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate slings 0.3.14 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "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] 0d848b3644e9f3f68cf41514ba51b3e9ca253a22170ed90c3c647dc0d58d0bc0
[INFO] running `Command { std: "docker" "start" "-a" "0d848b3644e9f3f68cf41514ba51b3e9ca253a22170ed90c3c647dc0d58d0bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d848b3644e9f3f68cf41514ba51b3e9ca253a22170ed90c3c647dc0d58d0bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d848b3644e9f3f68cf41514ba51b3e9ca253a22170ed90c3c647dc0d58d0bc0", kill_on_drop: false }`
[INFO] [stdout] 0d848b3644e9f3f68cf41514ba51b3e9ca253a22170ed90c3c647dc0d58d0bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "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] ac04f1f09c029fe21b6541eda707434a0096824cc1e15c2d6e51759ecc0097fb
[INFO] running `Command { std: "docker" "start" "-a" "ac04f1f09c029fe21b6541eda707434a0096824cc1e15c2d6e51759ecc0097fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.5.2
[INFO] [stderr]    Compiling slings v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "ac04f1f09c029fe21b6541eda707434a0096824cc1e15c2d6e51759ecc0097fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac04f1f09c029fe21b6541eda707434a0096824cc1e15c2d6e51759ecc0097fb", kill_on_drop: false }`
[INFO] [stdout] ac04f1f09c029fe21b6541eda707434a0096824cc1e15c2d6e51759ecc0097fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 35e96f25be9eb2f76a8f3c6135f2a8479168e5c2140267c3b10cdaecd4dca71d
[INFO] running `Command { std: "docker" "start" "-a" "35e96f25be9eb2f76a8f3c6135f2a8479168e5c2140267c3b10cdaecd4dca71d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling slings v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/slings-f0c93469de0db63d)
[INFO] running `Command { std: "docker" "inspect" "35e96f25be9eb2f76a8f3c6135f2a8479168e5c2140267c3b10cdaecd4dca71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e96f25be9eb2f76a8f3c6135f2a8479168e5c2140267c3b10cdaecd4dca71d", kill_on_drop: false }`
[INFO] [stdout] 35e96f25be9eb2f76a8f3c6135f2a8479168e5c2140267c3b10cdaecd4dca71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-04-10" "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] 54c5dd7189f1815697daa18bf00c1b75dd24335266d315c511fc3044ba29b506
[INFO] running `Command { std: "docker" "start" "-a" "54c5dd7189f1815697daa18bf00c1b75dd24335266d315c511fc3044ba29b506", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slings-f0c93469de0db63d)
[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]    Doc-tests slings
[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" "54c5dd7189f1815697daa18bf00c1b75dd24335266d315c511fc3044ba29b506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c5dd7189f1815697daa18bf00c1b75dd24335266d315c511fc3044ba29b506", kill_on_drop: false }`
[INFO] [stdout] 54c5dd7189f1815697daa18bf00c1b75dd24335266d315c511fc3044ba29b506