[INFO] fetching crate wallpaper_rs 0.1.1...
[INFO] testing wallpaper_rs-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wallpaper_rs 0.1.1 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate wallpaper_rs 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wallpaper_rs 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate wallpaper_rs 0.1.1
[INFO] tweaked toml for crates.io crate wallpaper_rs 0.1.1 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate wallpaper_rs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04eff3bc405b27776d2961fa9c09064c8be89ede66ee361a2294c20368b343df
[INFO] running `Command { std: "docker" "start" "-a" "04eff3bc405b27776d2961fa9c09064c8be89ede66ee361a2294c20368b343df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04eff3bc405b27776d2961fa9c09064c8be89ede66ee361a2294c20368b343df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eff3bc405b27776d2961fa9c09064c8be89ede66ee361a2294c20368b343df", kill_on_drop: false }`
[INFO] [stdout] 04eff3bc405b27776d2961fa9c09064c8be89ede66ee361a2294c20368b343df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d296133aa02ad5b274abbf95fc79ed4cc0b6f17c539726cdc313c4a4af4efb48
[INFO] running `Command { std: "docker" "start" "-a" "d296133aa02ad5b274abbf95fc79ed4cc0b6f17c539726cdc313c4a4af4efb48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling enquote v1.0.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling wallpaper_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "d296133aa02ad5b274abbf95fc79ed4cc0b6f17c539726cdc313c4a4af4efb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d296133aa02ad5b274abbf95fc79ed4cc0b6f17c539726cdc313c4a4af4efb48", kill_on_drop: false }`
[INFO] [stdout] d296133aa02ad5b274abbf95fc79ed4cc0b6f17c539726cdc313c4a4af4efb48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f58c794dbaf58347ccdd621fc804be918b6c03895065c3636a88f3d15db489b
[INFO] running `Command { std: "docker" "start" "-a" "0f58c794dbaf58347ccdd621fc804be918b6c03895065c3636a88f3d15db489b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wallpaper_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "0f58c794dbaf58347ccdd621fc804be918b6c03895065c3636a88f3d15db489b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f58c794dbaf58347ccdd621fc804be918b6c03895065c3636a88f3d15db489b", kill_on_drop: false }`
[INFO] [stdout] 0f58c794dbaf58347ccdd621fc804be918b6c03895065c3636a88f3d15db489b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ded03fd894a884771e50a089d8e87dc7f39b4524d30f0bf05347e5cb2e7ca26
[INFO] running `Command { std: "docker" "start" "-a" "2ded03fd894a884771e50a089d8e87dc7f39b4524d30f0bf05347e5cb2e7ca26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wallpaper_rs-01f4d5566902dffb)
[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 wallpaper_rs
[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" "2ded03fd894a884771e50a089d8e87dc7f39b4524d30f0bf05347e5cb2e7ca26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ded03fd894a884771e50a089d8e87dc7f39b4524d30f0bf05347e5cb2e7ca26", kill_on_drop: false }`
[INFO] [stdout] 2ded03fd894a884771e50a089d8e87dc7f39b4524d30f0bf05347e5cb2e7ca26