[INFO] fetching crate centaurea-ui 0.2.0...
[INFO] testing centaurea-ui-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate centaurea-ui 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate centaurea-ui 0.2.0 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 centaurea-ui 0.2.0
[INFO] finished tweaking crates.io crate centaurea-ui 0.2.0
[INFO] tweaked toml for crates.io crate centaurea-ui 0.2.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3b63c16eac17f8abb80e8ea51d58cba441a08b0644c1fc666882a8e2c7f7ded
[INFO] running `Command { std: "docker" "start" "-a" "f3b63c16eac17f8abb80e8ea51d58cba441a08b0644c1fc666882a8e2c7f7ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b63c16eac17f8abb80e8ea51d58cba441a08b0644c1fc666882a8e2c7f7ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b63c16eac17f8abb80e8ea51d58cba441a08b0644c1fc666882a8e2c7f7ded", kill_on_drop: false }`
[INFO] [stdout] f3b63c16eac17f8abb80e8ea51d58cba441a08b0644c1fc666882a8e2c7f7ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0637f9f0116894c7d04c7fd2caa988ef5e9ca1cd0256269154d0b50357d519f3
[INFO] running `Command { std: "docker" "start" "-a" "0637f9f0116894c7d04c7fd2caa988ef5e9ca1cd0256269154d0b50357d519f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling centaurea-ui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "0637f9f0116894c7d04c7fd2caa988ef5e9ca1cd0256269154d0b50357d519f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0637f9f0116894c7d04c7fd2caa988ef5e9ca1cd0256269154d0b50357d519f3", kill_on_drop: false }`
[INFO] [stdout] 0637f9f0116894c7d04c7fd2caa988ef5e9ca1cd0256269154d0b50357d519f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d0fc055fb362b0cb6df3fcaadfe48db4a4c276f7586c8866aa3613bcf27b10e
[INFO] running `Command { std: "docker" "start" "-a" "9d0fc055fb362b0cb6df3fcaadfe48db4a4c276f7586c8866aa3613bcf27b10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling centaurea-ui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "9d0fc055fb362b0cb6df3fcaadfe48db4a4c276f7586c8866aa3613bcf27b10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0fc055fb362b0cb6df3fcaadfe48db4a4c276f7586c8866aa3613bcf27b10e", kill_on_drop: false }`
[INFO] [stdout] 9d0fc055fb362b0cb6df3fcaadfe48db4a4c276f7586c8866aa3613bcf27b10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1b4a3504879da977e717c680de5d5600d44666fba7e4ff67085140b619fa84d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b4a3504879da977e717c680de5d5600d44666fba7e4ff67085140b619fa84d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/centaurea_ui-ab8ba134c2124b03)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests centaurea-ui
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "1b4a3504879da977e717c680de5d5600d44666fba7e4ff67085140b619fa84d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4a3504879da977e717c680de5d5600d44666fba7e4ff67085140b619fa84d7", kill_on_drop: false }`
[INFO] [stdout] 1b4a3504879da977e717c680de5d5600d44666fba7e4ff67085140b619fa84d7