[INFO] fetching crate libfonthelper 0.2.9-beta.0...
[INFO] testing libfonthelper-0.2.9-beta.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate libfonthelper 0.2.9-beta.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libfonthelper 0.2.9-beta.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 libfonthelper 0.2.9-beta.0
[INFO] finished tweaking crates.io crate libfonthelper 0.2.9-beta.0
[INFO] tweaked toml for crates.io crate libfonthelper 0.2.9-beta.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libfonthelper 0.2.9-beta.0 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] 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] 563f6d2fa9bcec7b5adea0d65a2cc3c6f98ed09726cfc27903fc0f9b2318450b
[INFO] running `Command { std: "docker" "start" "-a" "563f6d2fa9bcec7b5adea0d65a2cc3c6f98ed09726cfc27903fc0f9b2318450b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563f6d2fa9bcec7b5adea0d65a2cc3c6f98ed09726cfc27903fc0f9b2318450b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563f6d2fa9bcec7b5adea0d65a2cc3c6f98ed09726cfc27903fc0f9b2318450b", kill_on_drop: false }`
[INFO] [stdout] 563f6d2fa9bcec7b5adea0d65a2cc3c6f98ed09726cfc27903fc0f9b2318450b
[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] aedd2d4180a151689ddaeaf1933902e3679816122571851b594c748b60fcf533
[INFO] running `Command { std: "docker" "start" "-a" "aedd2d4180a151689ddaeaf1933902e3679816122571851b594c748b60fcf533", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling finder v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling libfonthelper v0.2.9-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.63s
[INFO] running `Command { std: "docker" "inspect" "aedd2d4180a151689ddaeaf1933902e3679816122571851b594c748b60fcf533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedd2d4180a151689ddaeaf1933902e3679816122571851b594c748b60fcf533", kill_on_drop: false }`
[INFO] [stdout] aedd2d4180a151689ddaeaf1933902e3679816122571851b594c748b60fcf533
[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] 556eb974252b4c99d292e71a83b77d5e90e72735352ec51d325d8d7f552bc34a
[INFO] running `Command { std: "docker" "start" "-a" "556eb974252b4c99d292e71a83b77d5e90e72735352ec51d325d8d7f552bc34a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libfonthelper v0.2.9-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "556eb974252b4c99d292e71a83b77d5e90e72735352ec51d325d8d7f552bc34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556eb974252b4c99d292e71a83b77d5e90e72735352ec51d325d8d7f552bc34a", kill_on_drop: false }`
[INFO] [stdout] 556eb974252b4c99d292e71a83b77d5e90e72735352ec51d325d8d7f552bc34a
[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] 25480cc03fa872b5cfb814023b2b4bf0e00c340dfc9ed0fa6acfbc8d3db68aaf
[INFO] running `Command { std: "docker" "start" "-a" "25480cc03fa872b5cfb814023b2b4bf0e00c340dfc9ed0fa6acfbc8d3db68aaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libfonthelper-1c658e1cbefc372d)
[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]      Running unittests (/opt/rustwide/target/debug/deps/libfonthelper-77b052f132f03177)
[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 libfonthelper
[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" "25480cc03fa872b5cfb814023b2b4bf0e00c340dfc9ed0fa6acfbc8d3db68aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25480cc03fa872b5cfb814023b2b4bf0e00c340dfc9ed0fa6acfbc8d3db68aaf", kill_on_drop: false }`
[INFO] [stdout] 25480cc03fa872b5cfb814023b2b4bf0e00c340dfc9ed0fa6acfbc8d3db68aaf