[INFO] fetching crate mmio 2.1.0...
[INFO] testing mmio-2.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mmio 2.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate mmio 2.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fb309a98887cab9d124db5a4beaf1a047bd486cd7052df9106cc94fb9b2b954
[INFO] running `Command { std: "docker" "start" "-a" "0fb309a98887cab9d124db5a4beaf1a047bd486cd7052df9106cc94fb9b2b954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb309a98887cab9d124db5a4beaf1a047bd486cd7052df9106cc94fb9b2b954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb309a98887cab9d124db5a4beaf1a047bd486cd7052df9106cc94fb9b2b954", kill_on_drop: false }`
[INFO] [stdout] 0fb309a98887cab9d124db5a4beaf1a047bd486cd7052df9106cc94fb9b2b954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72259b263373a7239c75b473cf65440eb1b5b747229026b8d6c442e033153b88
[INFO] running `Command { std: "docker" "start" "-a" "72259b263373a7239c75b473cf65440eb1b5b747229026b8d6c442e033153b88", 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 1.61s
[INFO] running `Command { std: "docker" "inspect" "72259b263373a7239c75b473cf65440eb1b5b747229026b8d6c442e033153b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72259b263373a7239c75b473cf65440eb1b5b747229026b8d6c442e033153b88", kill_on_drop: false }`
[INFO] [stdout] 72259b263373a7239c75b473cf65440eb1b5b747229026b8d6c442e033153b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c360e3f070e0577cbccd3543a0b4a02be3784959193b2162bfe6e1749cd994c
[INFO] running `Command { std: "docker" "start" "-a" "6c360e3f070e0577cbccd3543a0b4a02be3784959193b2162bfe6e1749cd994c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmio v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6c360e3f070e0577cbccd3543a0b4a02be3784959193b2162bfe6e1749cd994c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c360e3f070e0577cbccd3543a0b4a02be3784959193b2162bfe6e1749cd994c", kill_on_drop: false }`
[INFO] [stdout] 6c360e3f070e0577cbccd3543a0b4a02be3784959193b2162bfe6e1749cd994c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c65f1e20eab9aa7e0b47968075c242679acbb6ef8bfa740a81b683cdd669c2f
[INFO] running `Command { std: "docker" "start" "-a" "1c65f1e20eab9aa7e0b47968075c242679acbb6ef8bfa740a81b683cdd669c2f", 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-90fe3ba7386e2394)
[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 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c65f1e20eab9aa7e0b47968075c242679acbb6ef8bfa740a81b683cdd669c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c65f1e20eab9aa7e0b47968075c242679acbb6ef8bfa740a81b683cdd669c2f", kill_on_drop: false }`
[INFO] [stdout] 1c65f1e20eab9aa7e0b47968075c242679acbb6ef8bfa740a81b683cdd669c2f