[INFO] fetching crate rugint 0.4.1...
[INFO] testing rugint-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rugint 0.4.1 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate rugint 0.4.1 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 rugint 0.4.1
[INFO] finished tweaking crates.io crate rugint 0.4.1
[INFO] tweaked toml for crates.io crate rugint 0.4.1 written to /workspace/builds/worker-45/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 43a7f3dccecf4ae5cd806e62ed385b58c125d1f1bfe8e3f17d2309c046d2716d
[INFO] running `Command { std: "docker" "start" "-a" "43a7f3dccecf4ae5cd806e62ed385b58c125d1f1bfe8e3f17d2309c046d2716d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a7f3dccecf4ae5cd806e62ed385b58c125d1f1bfe8e3f17d2309c046d2716d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a7f3dccecf4ae5cd806e62ed385b58c125d1f1bfe8e3f17d2309c046d2716d", kill_on_drop: false }`
[INFO] [stdout] 43a7f3dccecf4ae5cd806e62ed385b58c125d1f1bfe8e3f17d2309c046d2716d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 2bb0464b9548f44e701e9a78d527ebd160ed88dbd237bcaf086334ea0ddc0c79
[INFO] running `Command { std: "docker" "start" "-a" "2bb0464b9548f44e701e9a78d527ebd160ed88dbd237bcaf086334ea0ddc0c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling rugint v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "2bb0464b9548f44e701e9a78d527ebd160ed88dbd237bcaf086334ea0ddc0c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb0464b9548f44e701e9a78d527ebd160ed88dbd237bcaf086334ea0ddc0c79", kill_on_drop: false }`
[INFO] [stdout] 2bb0464b9548f44e701e9a78d527ebd160ed88dbd237bcaf086334ea0ddc0c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 64460315f8d44c53dc82a86c3c42151bc598a4182bb3e600f18edc1dba71f54d
[INFO] running `Command { std: "docker" "start" "-a" "64460315f8d44c53dc82a86c3c42151bc598a4182bb3e600f18edc1dba71f54d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rugint v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "64460315f8d44c53dc82a86c3c42151bc598a4182bb3e600f18edc1dba71f54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64460315f8d44c53dc82a86c3c42151bc598a4182bb3e600f18edc1dba71f54d", kill_on_drop: false }`
[INFO] [stdout] 64460315f8d44c53dc82a86c3c42151bc598a4182bb3e600f18edc1dba71f54d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 973cd29a93036b977a1132ac11bc31d81be8543ff673944df794d62c82f05411
[INFO] running `Command { std: "docker" "start" "-a" "973cd29a93036b977a1132ac11bc31d81be8543ff673944df794d62c82f05411", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rugint-78ace1bfdb471ec6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rugint
[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] [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" "973cd29a93036b977a1132ac11bc31d81be8543ff673944df794d62c82f05411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973cd29a93036b977a1132ac11bc31d81be8543ff673944df794d62c82f05411", kill_on_drop: false }`
[INFO] [stdout] 973cd29a93036b977a1132ac11bc31d81be8543ff673944df794d62c82f05411