[INFO] fetching crate muchsyncrs 0.0.0...
[INFO] testing muchsyncrs-0.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate muchsyncrs 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate muchsyncrs 0.0.0
[INFO] finished tweaking crates.io crate muchsyncrs 0.0.0
[INFO] tweaked toml for crates.io crate muchsyncrs 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate muchsyncrs 0.0.0 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 muchsyncrs 0.0.0 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] af24a38c5f6f7097273529c1398ea306ee5410680e70e3e1bd9fb5243ff75ab3
[INFO] running `Command { std: "docker" "start" "-a" "af24a38c5f6f7097273529c1398ea306ee5410680e70e3e1bd9fb5243ff75ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af24a38c5f6f7097273529c1398ea306ee5410680e70e3e1bd9fb5243ff75ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af24a38c5f6f7097273529c1398ea306ee5410680e70e3e1bd9fb5243ff75ab3", kill_on_drop: false }`
[INFO] [stdout] af24a38c5f6f7097273529c1398ea306ee5410680e70e3e1bd9fb5243ff75ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ea77aaf07267d061b11a11e54f8b4131b79422ebc074fc66a7552022499cf459
[INFO] running `Command { std: "docker" "start" "-a" "ea77aaf07267d061b11a11e54f8b4131b79422ebc074fc66a7552022499cf459", kill_on_drop: false }`
[INFO] [stderr]    Compiling muchsyncrs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ea77aaf07267d061b11a11e54f8b4131b79422ebc074fc66a7552022499cf459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea77aaf07267d061b11a11e54f8b4131b79422ebc074fc66a7552022499cf459", kill_on_drop: false }`
[INFO] [stdout] ea77aaf07267d061b11a11e54f8b4131b79422ebc074fc66a7552022499cf459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4c9c297d1111a9a236b94962349a66caca9f6d419aa6d21a81669088d3844051
[INFO] running `Command { std: "docker" "start" "-a" "4c9c297d1111a9a236b94962349a66caca9f6d419aa6d21a81669088d3844051", kill_on_drop: false }`
[INFO] [stderr]    Compiling muchsyncrs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4c9c297d1111a9a236b94962349a66caca9f6d419aa6d21a81669088d3844051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9c297d1111a9a236b94962349a66caca9f6d419aa6d21a81669088d3844051", kill_on_drop: false }`
[INFO] [stdout] 4c9c297d1111a9a236b94962349a66caca9f6d419aa6d21a81669088d3844051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2eed93fbf2e6c57bc9c0c78f0c3e8343d7d2703c8fc58a9d389187f092674782
[INFO] running `Command { std: "docker" "start" "-a" "2eed93fbf2e6c57bc9c0c78f0c3e8343d7d2703c8fc58a9d389187f092674782", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/muchsyncrs-3446044e0e44159a)
[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" "2eed93fbf2e6c57bc9c0c78f0c3e8343d7d2703c8fc58a9d389187f092674782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eed93fbf2e6c57bc9c0c78f0c3e8343d7d2703c8fc58a9d389187f092674782", kill_on_drop: false }`
[INFO] [stdout] 2eed93fbf2e6c57bc9c0c78f0c3e8343d7d2703c8fc58a9d389187f092674782