[INFO] fetching crate slings 0.3.2...
[INFO] testing slings-0.3.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate slings 0.3.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate slings 0.3.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slings 0.3.2
[INFO] finished tweaking crates.io crate slings 0.3.2
[INFO] tweaked toml for crates.io crate slings 0.3.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate slings 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.5.1
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac3b19139aff65ddd8e44f40e983a1e174e750681454a2ba0971fde7519831cb
[INFO] running `Command { std: "docker" "start" "-a" "ac3b19139aff65ddd8e44f40e983a1e174e750681454a2ba0971fde7519831cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3b19139aff65ddd8e44f40e983a1e174e750681454a2ba0971fde7519831cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3b19139aff65ddd8e44f40e983a1e174e750681454a2ba0971fde7519831cb", kill_on_drop: false }`
[INFO] [stdout] ac3b19139aff65ddd8e44f40e983a1e174e750681454a2ba0971fde7519831cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c89d3c6dd519c805e6450f215af63f8d90eb04870e7049c1ddcb6480a5c2997
[INFO] running `Command { std: "docker" "start" "-a" "2c89d3c6dd519c805e6450f215af63f8d90eb04870e7049c1ddcb6480a5c2997", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling io-uring v0.5.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling slings v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "2c89d3c6dd519c805e6450f215af63f8d90eb04870e7049c1ddcb6480a5c2997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c89d3c6dd519c805e6450f215af63f8d90eb04870e7049c1ddcb6480a5c2997", kill_on_drop: false }`
[INFO] [stdout] 2c89d3c6dd519c805e6450f215af63f8d90eb04870e7049c1ddcb6480a5c2997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b435cbfa7a80bd739f3e356610b16423cc9b53014a9d6bbecf61610c13b886df
[INFO] running `Command { std: "docker" "start" "-a" "b435cbfa7a80bd739f3e356610b16423cc9b53014a9d6bbecf61610c13b886df", kill_on_drop: false }`
[INFO] [stderr]    Compiling slings v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b435cbfa7a80bd739f3e356610b16423cc9b53014a9d6bbecf61610c13b886df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b435cbfa7a80bd739f3e356610b16423cc9b53014a9d6bbecf61610c13b886df", kill_on_drop: false }`
[INFO] [stdout] b435cbfa7a80bd739f3e356610b16423cc9b53014a9d6bbecf61610c13b886df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39cd986d667fca839e97c5f8bce7cbf7b42f9613652d5b45b48f79f29c2cc4c6
[INFO] running `Command { std: "docker" "start" "-a" "39cd986d667fca839e97c5f8bce7cbf7b42f9613652d5b45b48f79f29c2cc4c6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slings-07276cd40d4039fe)
[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" "39cd986d667fca839e97c5f8bce7cbf7b42f9613652d5b45b48f79f29c2cc4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cd986d667fca839e97c5f8bce7cbf7b42f9613652d5b45b48f79f29c2cc4c6", kill_on_drop: false }`
[INFO] [stdout] 39cd986d667fca839e97c5f8bce7cbf7b42f9613652d5b45b48f79f29c2cc4c6