[INFO] fetching crate muttest 0.0.0-reserved...
[INFO] testing muttest-0.0.0-reserved against 1.90.0 for beta-1.91-3
[INFO] extracting crate muttest 0.0.0-reserved into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate muttest 0.0.0-reserved
[INFO] finished tweaking crates.io crate muttest 0.0.0-reserved
[INFO] tweaked toml for crates.io crate muttest 0.0.0-reserved written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate muttest 0.0.0-reserved 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67624b6e5c65ba844e8395fb574acc478247e526cc8a59a46ca33809a1b04986
[INFO] running `Command { std: "docker" "start" "-a" "67624b6e5c65ba844e8395fb574acc478247e526cc8a59a46ca33809a1b04986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67624b6e5c65ba844e8395fb574acc478247e526cc8a59a46ca33809a1b04986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67624b6e5c65ba844e8395fb574acc478247e526cc8a59a46ca33809a1b04986", kill_on_drop: false }`
[INFO] [stdout] 67624b6e5c65ba844e8395fb574acc478247e526cc8a59a46ca33809a1b04986
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be669a3ae697eafa8f71ea7c1fba5236f09c2789f41cff88ea5523246db28780
[INFO] running `Command { std: "docker" "start" "-a" "be669a3ae697eafa8f71ea7c1fba5236f09c2789f41cff88ea5523246db28780", kill_on_drop: false }`
[INFO] [stderr]    Compiling muttest v0.0.0-reserved (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "be669a3ae697eafa8f71ea7c1fba5236f09c2789f41cff88ea5523246db28780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be669a3ae697eafa8f71ea7c1fba5236f09c2789f41cff88ea5523246db28780", kill_on_drop: false }`
[INFO] [stdout] be669a3ae697eafa8f71ea7c1fba5236f09c2789f41cff88ea5523246db28780
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743922d83c03d196eefc7f06daa48ba86fc6683ba698fb9d556dfc8855d18ee6
[INFO] running `Command { std: "docker" "start" "-a" "743922d83c03d196eefc7f06daa48ba86fc6683ba698fb9d556dfc8855d18ee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling muttest v0.0.0-reserved (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "743922d83c03d196eefc7f06daa48ba86fc6683ba698fb9d556dfc8855d18ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743922d83c03d196eefc7f06daa48ba86fc6683ba698fb9d556dfc8855d18ee6", kill_on_drop: false }`
[INFO] [stdout] 743922d83c03d196eefc7f06daa48ba86fc6683ba698fb9d556dfc8855d18ee6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e33dfcf593e2878c95f89972eb9236827aa88dec3226ea175ee36267233f2c13
[INFO] running `Command { std: "docker" "start" "-a" "e33dfcf593e2878c95f89972eb9236827aa88dec3226ea175ee36267233f2c13", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/muttest-2c1780152cf0c664)
[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 muttest
[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" "e33dfcf593e2878c95f89972eb9236827aa88dec3226ea175ee36267233f2c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33dfcf593e2878c95f89972eb9236827aa88dec3226ea175ee36267233f2c13", kill_on_drop: false }`
[INFO] [stdout] e33dfcf593e2878c95f89972eb9236827aa88dec3226ea175ee36267233f2c13