[INFO] fetching crate mmio 2.1.0...
[INFO] testing mmio-2.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mmio 2.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mmio 2.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmio 2.1.0
[INFO] finished tweaking crates.io crate mmio 2.1.0
[INFO] tweaked toml for crates.io crate mmio 2.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8acb0f2edf8b73b63526e3ccc87228d46193aa94e6bcb497b05ce47ac78ac4
[INFO] running `Command { std: "docker" "start" "-a" "1b8acb0f2edf8b73b63526e3ccc87228d46193aa94e6bcb497b05ce47ac78ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8acb0f2edf8b73b63526e3ccc87228d46193aa94e6bcb497b05ce47ac78ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8acb0f2edf8b73b63526e3ccc87228d46193aa94e6bcb497b05ce47ac78ac4", kill_on_drop: false }`
[INFO] [stdout] 1b8acb0f2edf8b73b63526e3ccc87228d46193aa94e6bcb497b05ce47ac78ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b302f4601bcc95b9dfa5e56f45bd6e9e88a392a32cd9ce4d662fe9a4ff331437
[INFO] running `Command { std: "docker" "start" "-a" "b302f4601bcc95b9dfa5e56f45bd6e9e88a392a32cd9ce4d662fe9a4ff331437", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mmio v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "b302f4601bcc95b9dfa5e56f45bd6e9e88a392a32cd9ce4d662fe9a4ff331437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b302f4601bcc95b9dfa5e56f45bd6e9e88a392a32cd9ce4d662fe9a4ff331437", kill_on_drop: false }`
[INFO] [stdout] b302f4601bcc95b9dfa5e56f45bd6e9e88a392a32cd9ce4d662fe9a4ff331437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eac9ea74f120c7298e5eb1534b55ad3196864296c55502a5ca0e76fd032a0dd8
[INFO] running `Command { std: "docker" "start" "-a" "eac9ea74f120c7298e5eb1534b55ad3196864296c55502a5ca0e76fd032a0dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmio v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "eac9ea74f120c7298e5eb1534b55ad3196864296c55502a5ca0e76fd032a0dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac9ea74f120c7298e5eb1534b55ad3196864296c55502a5ca0e76fd032a0dd8", kill_on_drop: false }`
[INFO] [stdout] eac9ea74f120c7298e5eb1534b55ad3196864296c55502a5ca0e76fd032a0dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2243b3265da209bcf30a6726be82ff740f38d3bca69a34e6d306d6f3f845a4f1
[INFO] running `Command { std: "docker" "start" "-a" "2243b3265da209bcf30a6726be82ff740f38d3bca69a34e6d306d6f3f845a4f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmio-14f49a7992c6b06f)
[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 mmio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2243b3265da209bcf30a6726be82ff740f38d3bca69a34e6d306d6f3f845a4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2243b3265da209bcf30a6726be82ff740f38d3bca69a34e6d306d6f3f845a4f1", kill_on_drop: false }`
[INFO] [stdout] 2243b3265da209bcf30a6726be82ff740f38d3bca69a34e6d306d6f3f845a4f1