[INFO] fetching crate synk 0.1.0...
[INFO] testing synk-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate synk 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synk 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edae3eb2929b4d444a5c9b838967d29d9f947b555a24b4be9e7fb1d94f3471c9
[INFO] running `Command { std: "docker" "start" "-a" "edae3eb2929b4d444a5c9b838967d29d9f947b555a24b4be9e7fb1d94f3471c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edae3eb2929b4d444a5c9b838967d29d9f947b555a24b4be9e7fb1d94f3471c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edae3eb2929b4d444a5c9b838967d29d9f947b555a24b4be9e7fb1d94f3471c9", kill_on_drop: false }`
[INFO] [stdout] edae3eb2929b4d444a5c9b838967d29d9f947b555a24b4be9e7fb1d94f3471c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89a437335228c0d1c83e0bb64f0ff1ed86e4b90710ec18fc7da14fd8a4996361
[INFO] running `Command { std: "docker" "start" "-a" "89a437335228c0d1c83e0bb64f0ff1ed86e4b90710ec18fc7da14fd8a4996361", kill_on_drop: false }`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "89a437335228c0d1c83e0bb64f0ff1ed86e4b90710ec18fc7da14fd8a4996361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a437335228c0d1c83e0bb64f0ff1ed86e4b90710ec18fc7da14fd8a4996361", kill_on_drop: false }`
[INFO] [stdout] 89a437335228c0d1c83e0bb64f0ff1ed86e4b90710ec18fc7da14fd8a4996361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3841f233d197e5d8a66f43e998d2e3c9b19f794e3a84ad5f534a8ff4c045c1
[INFO] running `Command { std: "docker" "start" "-a" "9a3841f233d197e5d8a66f43e998d2e3c9b19f794e3a84ad5f534a8ff4c045c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "9a3841f233d197e5d8a66f43e998d2e3c9b19f794e3a84ad5f534a8ff4c045c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3841f233d197e5d8a66f43e998d2e3c9b19f794e3a84ad5f534a8ff4c045c1", kill_on_drop: false }`
[INFO] [stdout] 9a3841f233d197e5d8a66f43e998d2e3c9b19f794e3a84ad5f534a8ff4c045c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79e1147c335752b02a6e8cbf51e9c873538345c81164d76850ae5c5846ce3a2e
[INFO] running `Command { std: "docker" "start" "-a" "79e1147c335752b02a6e8cbf51e9c873538345c81164d76850ae5c5846ce3a2e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synk-dfbb2ecbb71c23fb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synk
[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" "79e1147c335752b02a6e8cbf51e9c873538345c81164d76850ae5c5846ce3a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e1147c335752b02a6e8cbf51e9c873538345c81164d76850ae5c5846ce3a2e", kill_on_drop: false }`
[INFO] [stdout] 79e1147c335752b02a6e8cbf51e9c873538345c81164d76850ae5c5846ce3a2e