[INFO] fetching crate advancedresearch-higher_order_core 0.3.0...
[INFO] testing advancedresearch-higher_order_core-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate advancedresearch-higher_order_core 0.3.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate advancedresearch-higher_order_core 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advancedresearch-higher_order_core 0.3.0
[INFO] finished tweaking crates.io crate advancedresearch-higher_order_core 0.3.0
[INFO] tweaked toml for crates.io crate advancedresearch-higher_order_core 0.3.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90f4c668e28285d1e2778354db5e747683ac284db0da61562514b94a59ad8282
[INFO] running `Command { std: "docker" "start" "-a" "90f4c668e28285d1e2778354db5e747683ac284db0da61562514b94a59ad8282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90f4c668e28285d1e2778354db5e747683ac284db0da61562514b94a59ad8282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f4c668e28285d1e2778354db5e747683ac284db0da61562514b94a59ad8282", kill_on_drop: false }`
[INFO] [stdout] 90f4c668e28285d1e2778354db5e747683ac284db0da61562514b94a59ad8282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea63df341c83dd51aa9342966b37a3c2769b11d3795dde9f9e7c0453f9595ca2
[INFO] running `Command { std: "docker" "start" "-a" "ea63df341c83dd51aa9342966b37a3c2769b11d3795dde9f9e7c0453f9595ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling advancedresearch-higher_order_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "ea63df341c83dd51aa9342966b37a3c2769b11d3795dde9f9e7c0453f9595ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea63df341c83dd51aa9342966b37a3c2769b11d3795dde9f9e7c0453f9595ca2", kill_on_drop: false }`
[INFO] [stdout] ea63df341c83dd51aa9342966b37a3c2769b11d3795dde9f9e7c0453f9595ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3480a14f665f39bd675bb77b4ac8b6c4cdf0739191202aedc1e67ee4c47d8902
[INFO] running `Command { std: "docker" "start" "-a" "3480a14f665f39bd675bb77b4ac8b6c4cdf0739191202aedc1e67ee4c47d8902", kill_on_drop: false }`
[INFO] [stderr]    Compiling advancedresearch-higher_order_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "3480a14f665f39bd675bb77b4ac8b6c4cdf0739191202aedc1e67ee4c47d8902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3480a14f665f39bd675bb77b4ac8b6c4cdf0739191202aedc1e67ee4c47d8902", kill_on_drop: false }`
[INFO] [stdout] 3480a14f665f39bd675bb77b4ac8b6c4cdf0739191202aedc1e67ee4c47d8902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1743dd4987ec593579b2c32773f2ff3dd93ac8784fa30493d23a055d84d42564
[INFO] running `Command { std: "docker" "start" "-a" "1743dd4987ec593579b2c32773f2ff3dd93ac8784fa30493d23a055d84d42564", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/higher_order_core-70e2b7fb0787143e)
[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 higher_order_core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 190) ... ignored
[INFO] [stdout] test src/lib.rs - (line 199) ... ignored
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1743dd4987ec593579b2c32773f2ff3dd93ac8784fa30493d23a055d84d42564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1743dd4987ec593579b2c32773f2ff3dd93ac8784fa30493d23a055d84d42564", kill_on_drop: false }`
[INFO] [stdout] 1743dd4987ec593579b2c32773f2ff3dd93ac8784fa30493d23a055d84d42564
