[INFO] fetching crate uguu 1.0.0...
[INFO] testing uguu-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate uguu 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uguu 1.0.0 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 uguu 1.0.0
[INFO] finished tweaking crates.io crate uguu 1.0.0
[INFO] tweaked toml for crates.io crate uguu 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded cgmath v0.14.1
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded minimp3 v0.3.5
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded rodio v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a5fa4d97dccc01c8c6e18b172b6ae2520882f86ef59f4f183be394137bdd2835
[INFO] running `Command { std: "docker" "start" "-a" "a5fa4d97dccc01c8c6e18b172b6ae2520882f86ef59f4f183be394137bdd2835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5fa4d97dccc01c8c6e18b172b6ae2520882f86ef59f4f183be394137bdd2835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fa4d97dccc01c8c6e18b172b6ae2520882f86ef59f4f183be394137bdd2835", kill_on_drop: false }`
[INFO] [stdout] a5fa4d97dccc01c8c6e18b172b6ae2520882f86ef59f4f183be394137bdd2835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8fe89c491707b85f666afd576a8c4976fb9bec517eb37d265f504567d66090da
[INFO] running `Command { std: "docker" "start" "-a" "8fe89c491707b85f666afd576a8c4976fb9bec517eb37d265f504567d66090da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling minimp3 v0.3.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling uguu v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "8fe89c491707b85f666afd576a8c4976fb9bec517eb37d265f504567d66090da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe89c491707b85f666afd576a8c4976fb9bec517eb37d265f504567d66090da", kill_on_drop: false }`
[INFO] [stdout] 8fe89c491707b85f666afd576a8c4976fb9bec517eb37d265f504567d66090da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e77fb882ff272882ca1a87ca4a6e147e4b05008e80fa8e4c45e1597a8d0df691
[INFO] running `Command { std: "docker" "start" "-a" "e77fb882ff272882ca1a87ca4a6e147e4b05008e80fa8e4c45e1597a8d0df691", kill_on_drop: false }`
[INFO] [stderr]    Compiling uguu v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e77fb882ff272882ca1a87ca4a6e147e4b05008e80fa8e4c45e1597a8d0df691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77fb882ff272882ca1a87ca4a6e147e4b05008e80fa8e4c45e1597a8d0df691", kill_on_drop: false }`
[INFO] [stdout] e77fb882ff272882ca1a87ca4a6e147e4b05008e80fa8e4c45e1597a8d0df691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fa74ead05f57b1713f3eef345fd18bfeff5a2dac0bba7d5f7af11919092d95e3
[INFO] running `Command { std: "docker" "start" "-a" "fa74ead05f57b1713f3eef345fd18bfeff5a2dac0bba7d5f7af11919092d95e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uguu-3608cf98a483d355)
[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" "fa74ead05f57b1713f3eef345fd18bfeff5a2dac0bba7d5f7af11919092d95e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa74ead05f57b1713f3eef345fd18bfeff5a2dac0bba7d5f7af11919092d95e3", kill_on_drop: false }`
[INFO] [stdout] fa74ead05f57b1713f3eef345fd18bfeff5a2dac0bba7d5f7af11919092d95e3