[INFO] fetching crate calDAV 0.1.0...
[INFO] testing calDAV-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate calDAV 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate calDAV 0.1.0 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 calDAV 0.1.0
[INFO] finished tweaking crates.io crate calDAV 0.1.0
[INFO] tweaked toml for crates.io crate calDAV 0.1.0 written to /workspace/builds/worker-53/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] [stderr]     Blocking waiting for file lock on package cache
[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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 9d4ffd351bd27d4edea0953eebdab33d11d5a4aac76f16afc232774ad419822f
[INFO] running `Command { std: "docker" "start" "-a" "9d4ffd351bd27d4edea0953eebdab33d11d5a4aac76f16afc232774ad419822f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4ffd351bd27d4edea0953eebdab33d11d5a4aac76f16afc232774ad419822f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4ffd351bd27d4edea0953eebdab33d11d5a4aac76f16afc232774ad419822f", kill_on_drop: false }`
[INFO] [stdout] 9d4ffd351bd27d4edea0953eebdab33d11d5a4aac76f16afc232774ad419822f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] be87b158096b2f9ec2b1fe187c389e300585e61c47d5ed89d46add18fb89fcd0
[INFO] running `Command { std: "docker" "start" "-a" "be87b158096b2f9ec2b1fe187c389e300585e61c47d5ed89d46add18fb89fcd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calDAV v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `calDAV` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `cal_dav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "be87b158096b2f9ec2b1fe187c389e300585e61c47d5ed89d46add18fb89fcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be87b158096b2f9ec2b1fe187c389e300585e61c47d5ed89d46add18fb89fcd0", kill_on_drop: false }`
[INFO] [stdout] be87b158096b2f9ec2b1fe187c389e300585e61c47d5ed89d46add18fb89fcd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 9f2c9061e8438e14300522bcf0f82f9d6ca2d32f99bcb35a4e09044b0afa31c7
[INFO] running `Command { std: "docker" "start" "-a" "9f2c9061e8438e14300522bcf0f82f9d6ca2d32f99bcb35a4e09044b0afa31c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calDAV v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `calDAV` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `cal_dav`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "9f2c9061e8438e14300522bcf0f82f9d6ca2d32f99bcb35a4e09044b0afa31c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2c9061e8438e14300522bcf0f82f9d6ca2d32f99bcb35a4e09044b0afa31c7", kill_on_drop: false }`
[INFO] [stdout] 9f2c9061e8438e14300522bcf0f82f9d6ca2d32f99bcb35a4e09044b0afa31c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] b717cfd12eee349ede747b2c10b34bbbd96960cbb47200108a39178610a8193a
[INFO] running `Command { std: "docker" "start" "-a" "b717cfd12eee349ede747b2c10b34bbbd96960cbb47200108a39178610a8193a", kill_on_drop: false }`
[INFO] [stderr] warning: crate `calDAV` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `cal_dav`
[INFO] [stderr] 
[INFO] [stderr] warning: `calDAV` (bin "calDAV" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calDAV-2b26eb1a7e21eb00)
[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" "b717cfd12eee349ede747b2c10b34bbbd96960cbb47200108a39178610a8193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b717cfd12eee349ede747b2c10b34bbbd96960cbb47200108a39178610a8193a", kill_on_drop: false }`
[INFO] [stdout] b717cfd12eee349ede747b2c10b34bbbd96960cbb47200108a39178610a8193a