[INFO] cloning repository https://github.com/diejmon/rust_preferences
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diejmon/rust_preferences" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiejmon%2Frust_preferences", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiejmon%2Frust_preferences'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12c7044c5d35afdc1ce0b5c4de773c9e9176cec
[INFO] testing diejmon/rust_preferences against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiejmon%2Frust_preferences" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diejmon/rust_preferences 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 git repo https://github.com/diejmon/rust_preferences
[INFO] finished tweaking git repo https://github.com/diejmon/rust_preferences
[INFO] tweaked toml for git repo https://github.com/diejmon/rust_preferences written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/diejmon/rust_preferences 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3106a8cfe6f4b3861ff6c86815a415f7c1ba00923facc7cd30d1d20d9d526cc8
[INFO] running `Command { std: "docker" "start" "-a" "3106a8cfe6f4b3861ff6c86815a415f7c1ba00923facc7cd30d1d20d9d526cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3106a8cfe6f4b3861ff6c86815a415f7c1ba00923facc7cd30d1d20d9d526cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3106a8cfe6f4b3861ff6c86815a415f7c1ba00923facc7cd30d1d20d9d526cc8", kill_on_drop: false }`
[INFO] [stdout] 3106a8cfe6f4b3861ff6c86815a415f7c1ba00923facc7cd30d1d20d9d526cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] af7cf04a2f9bb5ef5aadb0a9ec297f5e82822fd50a596a8ea6eb2b84dac640b8
[INFO] running `Command { std: "docker" "start" "-a" "af7cf04a2f9bb5ef5aadb0a9ec297f5e82822fd50a596a8ea6eb2b84dac640b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_preferences v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.57s
[INFO] running `Command { std: "docker" "inspect" "af7cf04a2f9bb5ef5aadb0a9ec297f5e82822fd50a596a8ea6eb2b84dac640b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7cf04a2f9bb5ef5aadb0a9ec297f5e82822fd50a596a8ea6eb2b84dac640b8", kill_on_drop: false }`
[INFO] [stdout] af7cf04a2f9bb5ef5aadb0a9ec297f5e82822fd50a596a8ea6eb2b84dac640b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5b9ef9567978ecef43f02766ac276270973770ad73c48c2bff27f51bd23f718e
[INFO] running `Command { std: "docker" "start" "-a" "5b9ef9567978ecef43f02766ac276270973770ad73c48c2bff27f51bd23f718e", 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] [stderr]    Compiling rust_preferences v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5b9ef9567978ecef43f02766ac276270973770ad73c48c2bff27f51bd23f718e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9ef9567978ecef43f02766ac276270973770ad73c48c2bff27f51bd23f718e", kill_on_drop: false }`
[INFO] [stdout] 5b9ef9567978ecef43f02766ac276270973770ad73c48c2bff27f51bd23f718e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0bec0cfb10e5fc700437ea8040bdaf5d4b07bea6300b9e4322d5f7dc7d1f34cb
[INFO] running `Command { std: "docker" "start" "-a" "0bec0cfb10e5fc700437ea8040bdaf5d4b07bea6300b9e4322d5f7dc7d1f34cb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_preferences-2b58825907b907a9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_preferences-2b4bb249807292e9)
[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 rust_preferences
[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] [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" "0bec0cfb10e5fc700437ea8040bdaf5d4b07bea6300b9e4322d5f7dc7d1f34cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bec0cfb10e5fc700437ea8040bdaf5d4b07bea6300b9e4322d5f7dc7d1f34cb", kill_on_drop: false }`
[INFO] [stdout] 0bec0cfb10e5fc700437ea8040bdaf5d4b07bea6300b9e4322d5f7dc7d1f34cb