[INFO] fetching crate synk 0.1.0...
[INFO] testing synk-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate synk 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate synk 0.1.0
[INFO] finished tweaking crates.io crate synk 0.1.0
[INFO] tweaked toml for crates.io crate synk 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synk 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synk 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc8a23407b47595b5dd3eb651293b8e9d80b67f992ba715a9bff5ea62a20d3d
[INFO] running `Command { std: "docker" "start" "-a" "ddc8a23407b47595b5dd3eb651293b8e9d80b67f992ba715a9bff5ea62a20d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc8a23407b47595b5dd3eb651293b8e9d80b67f992ba715a9bff5ea62a20d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc8a23407b47595b5dd3eb651293b8e9d80b67f992ba715a9bff5ea62a20d3d", kill_on_drop: false }`
[INFO] [stdout] ddc8a23407b47595b5dd3eb651293b8e9d80b67f992ba715a9bff5ea62a20d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4886d96fad284e897a026928373492c5a00eee9a4bdaa8196c878efef7b6b7fa
[INFO] running `Command { std: "docker" "start" "-a" "4886d96fad284e897a026928373492c5a00eee9a4bdaa8196c878efef7b6b7fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "4886d96fad284e897a026928373492c5a00eee9a4bdaa8196c878efef7b6b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4886d96fad284e897a026928373492c5a00eee9a4bdaa8196c878efef7b6b7fa", kill_on_drop: false }`
[INFO] [stdout] 4886d96fad284e897a026928373492c5a00eee9a4bdaa8196c878efef7b6b7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd08bdc33fc1d475d18499ca8c4584ce1a5f5e1211e990d5375675a977dd84d
[INFO] running `Command { std: "docker" "start" "-a" "4fd08bdc33fc1d475d18499ca8c4584ce1a5f5e1211e990d5375675a977dd84d", kill_on_drop: false }`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4fd08bdc33fc1d475d18499ca8c4584ce1a5f5e1211e990d5375675a977dd84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd08bdc33fc1d475d18499ca8c4584ce1a5f5e1211e990d5375675a977dd84d", kill_on_drop: false }`
[INFO] [stdout] 4fd08bdc33fc1d475d18499ca8c4584ce1a5f5e1211e990d5375675a977dd84d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6fedc02f0793a5d92a80879e1955c442023a744e7ab511c994fc7a0bcc4b98c
[INFO] running `Command { std: "docker" "start" "-a" "d6fedc02f0793a5d92a80879e1955c442023a744e7ab511c994fc7a0bcc4b98c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synk-f138bdb112878f27)
[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 synk
[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" "d6fedc02f0793a5d92a80879e1955c442023a744e7ab511c994fc7a0bcc4b98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fedc02f0793a5d92a80879e1955c442023a744e7ab511c994fc7a0bcc4b98c", kill_on_drop: false }`
[INFO] [stdout] d6fedc02f0793a5d92a80879e1955c442023a744e7ab511c994fc7a0bcc4b98c