[INFO] fetching crate xmid 3.0.0...
[INFO] testing xmid-3.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xmid 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xmid 3.0.0
[INFO] finished tweaking crates.io crate xmid 3.0.0
[INFO] tweaked toml for crates.io crate xmid 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmid 3.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac-sha256 v1.1.12
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f5a475ab782eea3a23536e9767d74aa456de65b953d28abebf8506cef44af3
[INFO] running `Command { std: "docker" "start" "-a" "81f5a475ab782eea3a23536e9767d74aa456de65b953d28abebf8506cef44af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f5a475ab782eea3a23536e9767d74aa456de65b953d28abebf8506cef44af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f5a475ab782eea3a23536e9767d74aa456de65b953d28abebf8506cef44af3", kill_on_drop: false }`
[INFO] [stdout] 81f5a475ab782eea3a23536e9767d74aa456de65b953d28abebf8506cef44af3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beba6f66cc8c19354f698e2a82a7626b0b19ce5d9078392ceb95bc83ef02b3bc
[INFO] running `Command { std: "docker" "start" "-a" "beba6f66cc8c19354f698e2a82a7626b0b19ce5d9078392ceb95bc83ef02b3bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling hmac-sha256 v1.1.12
[INFO] [stderr]    Compiling xmid v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "beba6f66cc8c19354f698e2a82a7626b0b19ce5d9078392ceb95bc83ef02b3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beba6f66cc8c19354f698e2a82a7626b0b19ce5d9078392ceb95bc83ef02b3bc", kill_on_drop: false }`
[INFO] [stdout] beba6f66cc8c19354f698e2a82a7626b0b19ce5d9078392ceb95bc83ef02b3bc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f80c47facc0a7ae57d439326873a7154afb2b9c95149af254b83c02adc5c1f
[INFO] running `Command { std: "docker" "start" "-a" "f1f80c47facc0a7ae57d439326873a7154afb2b9c95149af254b83c02adc5c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmid v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "f1f80c47facc0a7ae57d439326873a7154afb2b9c95149af254b83c02adc5c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f80c47facc0a7ae57d439326873a7154afb2b9c95149af254b83c02adc5c1f", kill_on_drop: false }`
[INFO] [stdout] f1f80c47facc0a7ae57d439326873a7154afb2b9c95149af254b83c02adc5c1f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 801649e752d4e9063f207b0d36595c50f161f7088d378f798f98c712b54f7deb
[INFO] running `Command { std: "docker" "start" "-a" "801649e752d4e9063f207b0d36595c50f161f7088d378f798f98c712b54f7deb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xmid-587fd09f0027291e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_mid_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "801649e752d4e9063f207b0d36595c50f161f7088d378f798f98c712b54f7deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801649e752d4e9063f207b0d36595c50f161f7088d378f798f98c712b54f7deb", kill_on_drop: false }`
[INFO] [stdout] 801649e752d4e9063f207b0d36595c50f161f7088d378f798f98c712b54f7deb