[INFO] fetching crate syrup 0.2.0...
[INFO] testing syrup-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syrup 0.2.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate syrup 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 syrup 0.2.0
[INFO] finished tweaking crates.io crate syrup 0.2.0
[INFO] tweaked toml for crates.io crate syrup 0.2.0 written to /workspace/builds/worker-80/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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 78c21c9f8015cf62677da3e6283940c7a6a69664fe9d93b4f88a5db3a28ac0d8
[INFO] running `Command { std: "docker" "start" "-a" "78c21c9f8015cf62677da3e6283940c7a6a69664fe9d93b4f88a5db3a28ac0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c21c9f8015cf62677da3e6283940c7a6a69664fe9d93b4f88a5db3a28ac0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c21c9f8015cf62677da3e6283940c7a6a69664fe9d93b4f88a5db3a28ac0d8", kill_on_drop: false }`
[INFO] [stdout] 78c21c9f8015cf62677da3e6283940c7a6a69664fe9d93b4f88a5db3a28ac0d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] b66babb7af63c3a82cb770080611c3712cbe96604627d82b82e7a8b971ae5dfb
[INFO] running `Command { std: "docker" "start" "-a" "b66babb7af63c3a82cb770080611c3712cbe96604627d82b82e7a8b971ae5dfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling syrup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "b66babb7af63c3a82cb770080611c3712cbe96604627d82b82e7a8b971ae5dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66babb7af63c3a82cb770080611c3712cbe96604627d82b82e7a8b971ae5dfb", kill_on_drop: false }`
[INFO] [stdout] b66babb7af63c3a82cb770080611c3712cbe96604627d82b82e7a8b971ae5dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 4283ecac94cd54a3738b7d40e26e5cb8cb9fc3fb0e398d04c0959614090d7738
[INFO] running `Command { std: "docker" "start" "-a" "4283ecac94cd54a3738b7d40e26e5cb8cb9fc3fb0e398d04c0959614090d7738", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syrup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "4283ecac94cd54a3738b7d40e26e5cb8cb9fc3fb0e398d04c0959614090d7738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4283ecac94cd54a3738b7d40e26e5cb8cb9fc3fb0e398d04c0959614090d7738", kill_on_drop: false }`
[INFO] [stdout] 4283ecac94cd54a3738b7d40e26e5cb8cb9fc3fb0e398d04c0959614090d7738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] daec395809a03fe2d5c0abe68b834b6c27b78b200145a07515b3078e981822de
[INFO] running `Command { std: "docker" "start" "-a" "daec395809a03fe2d5c0abe68b834b6c27b78b200145a07515b3078e981822de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syrup-8614050e54ce7bf2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests syrup
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "daec395809a03fe2d5c0abe68b834b6c27b78b200145a07515b3078e981822de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daec395809a03fe2d5c0abe68b834b6c27b78b200145a07515b3078e981822de", kill_on_drop: false }`
[INFO] [stdout] daec395809a03fe2d5c0abe68b834b6c27b78b200145a07515b3078e981822de