[INFO] fetching crate muxit 0.2.0...
[INFO] testing muxit-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate muxit 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate muxit 0.2.0
[INFO] finished tweaking crates.io crate muxit 0.2.0
[INFO] tweaked toml for crates.io crate muxit 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate muxit 0.2.0 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 muxit 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shellexpand v3.1.0
[INFO] [stderr]   Downloaded tmux_interface v0.3.1
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded syn v2.0.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 964d5c72a65a242c3098386913395e70fee186367e28fd9f4da1ccb449618a59
[INFO] running `Command { std: "docker" "start" "-a" "964d5c72a65a242c3098386913395e70fee186367e28fd9f4da1ccb449618a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "964d5c72a65a242c3098386913395e70fee186367e28fd9f4da1ccb449618a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964d5c72a65a242c3098386913395e70fee186367e28fd9f4da1ccb449618a59", kill_on_drop: false }`
[INFO] [stdout] 964d5c72a65a242c3098386913395e70fee186367e28fd9f4da1ccb449618a59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d8af669b6c2056ebfd74b7071c1d7a305a08e056b96a27b95844d1d5a326ba47
[INFO] running `Command { std: "docker" "start" "-a" "d8af669b6c2056ebfd74b7071c1d7a305a08e056b96a27b95844d1d5a326ba47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling tmux_interface v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling shellexpand v3.1.0
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling muxit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.79s
[INFO] running `Command { std: "docker" "inspect" "d8af669b6c2056ebfd74b7071c1d7a305a08e056b96a27b95844d1d5a326ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8af669b6c2056ebfd74b7071c1d7a305a08e056b96a27b95844d1d5a326ba47", kill_on_drop: false }`
[INFO] [stdout] d8af669b6c2056ebfd74b7071c1d7a305a08e056b96a27b95844d1d5a326ba47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5975e680e6fe1f80895e1454507e79c7455d8a89a7103a883592cfce9b11a6ca
[INFO] running `Command { std: "docker" "start" "-a" "5975e680e6fe1f80895e1454507e79c7455d8a89a7103a883592cfce9b11a6ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling muxit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "5975e680e6fe1f80895e1454507e79c7455d8a89a7103a883592cfce9b11a6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5975e680e6fe1f80895e1454507e79c7455d8a89a7103a883592cfce9b11a6ca", kill_on_drop: false }`
[INFO] [stdout] 5975e680e6fe1f80895e1454507e79c7455d8a89a7103a883592cfce9b11a6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fcdf78e4d63e5672809a7bc0e0b1b8b9739e5210657e2b7dbd87fa48175af005
[INFO] running `Command { std: "docker" "start" "-a" "fcdf78e4d63e5672809a7bc0e0b1b8b9739e5210657e2b7dbd87fa48175af005", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/muxit-819b77c6b17377a0)
[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" "fcdf78e4d63e5672809a7bc0e0b1b8b9739e5210657e2b7dbd87fa48175af005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdf78e4d63e5672809a7bc0e0b1b8b9739e5210657e2b7dbd87fa48175af005", kill_on_drop: false }`
[INFO] [stdout] fcdf78e4d63e5672809a7bc0e0b1b8b9739e5210657e2b7dbd87fa48175af005