[INFO] fetching crate mvc-rs 3.3.0...
[INFO] testing mvc-rs-3.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mvc-rs 3.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mvc-rs 3.3.0
[INFO] finished tweaking crates.io crate mvc-rs 3.3.0
[INFO] tweaked toml for crates.io crate mvc-rs 3.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mvc-rs 3.3.0 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] 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c422c88adc89d3624ffb84479f2443d46646c1e24b58ebb1c9cea5b993a54e41
[INFO] running `Command { std: "docker" "start" "-a" "c422c88adc89d3624ffb84479f2443d46646c1e24b58ebb1c9cea5b993a54e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c422c88adc89d3624ffb84479f2443d46646c1e24b58ebb1c9cea5b993a54e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c422c88adc89d3624ffb84479f2443d46646c1e24b58ebb1c9cea5b993a54e41", kill_on_drop: false }`
[INFO] [stdout] c422c88adc89d3624ffb84479f2443d46646c1e24b58ebb1c9cea5b993a54e41
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aea833bebe145da5cf806db73e0caf26ac210d7e8d8bfe3afa34bb4b079a177
[INFO] running `Command { std: "docker" "start" "-a" "7aea833bebe145da5cf806db73e0caf26ac210d7e8d8bfe3afa34bb4b079a177", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvc-rs v3.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "7aea833bebe145da5cf806db73e0caf26ac210d7e8d8bfe3afa34bb4b079a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aea833bebe145da5cf806db73e0caf26ac210d7e8d8bfe3afa34bb4b079a177", kill_on_drop: false }`
[INFO] [stdout] 7aea833bebe145da5cf806db73e0caf26ac210d7e8d8bfe3afa34bb4b079a177
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b3e6ff6b89bbe6a3ddc9eaacb5c84f89909c090b48965f62f8a40e93522173
[INFO] running `Command { std: "docker" "start" "-a" "52b3e6ff6b89bbe6a3ddc9eaacb5c84f89909c090b48965f62f8a40e93522173", kill_on_drop: false }`
[INFO] [stderr]    Compiling mvc-rs v3.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "52b3e6ff6b89bbe6a3ddc9eaacb5c84f89909c090b48965f62f8a40e93522173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b3e6ff6b89bbe6a3ddc9eaacb5c84f89909c090b48965f62f8a40e93522173", kill_on_drop: false }`
[INFO] [stdout] 52b3e6ff6b89bbe6a3ddc9eaacb5c84f89909c090b48965f62f8a40e93522173
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb6447de5636bf7b62a7061700c6b240b4465a83abb26e4396199cece18a321e
[INFO] running `Command { std: "docker" "start" "-a" "bb6447de5636bf7b62a7061700c6b240b4465a83abb26e4396199cece18a321e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mvc_rs-e42da170c10e7c6b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mvc_rs
[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" "bb6447de5636bf7b62a7061700c6b240b4465a83abb26e4396199cece18a321e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6447de5636bf7b62a7061700c6b240b4465a83abb26e4396199cece18a321e", kill_on_drop: false }`
[INFO] [stdout] bb6447de5636bf7b62a7061700c6b240b4465a83abb26e4396199cece18a321e