[INFO] fetching crate alsa-ctl-tlv-codec 0.1.1...
[INFO] checking alsa-ctl-tlv-codec-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate alsa-ctl-tlv-codec 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate alsa-ctl-tlv-codec 0.1.1
[INFO] finished tweaking crates.io crate alsa-ctl-tlv-codec 0.1.1
[INFO] tweaked toml for crates.io crate alsa-ctl-tlv-codec 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alsa-ctl-tlv-codec 0.1.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alsa-ctl-tlv-codec 0.1.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c61fdc9f490cae747f4967606dbb2cb57012f263f0a262f07663f668c105f8
[INFO] running `Command { std: "docker" "start" "-a" "d1c61fdc9f490cae747f4967606dbb2cb57012f263f0a262f07663f668c105f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c61fdc9f490cae747f4967606dbb2cb57012f263f0a262f07663f668c105f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c61fdc9f490cae747f4967606dbb2cb57012f263f0a262f07663f668c105f8", kill_on_drop: false }`
[INFO] [stdout] d1c61fdc9f490cae747f4967606dbb2cb57012f263f0a262f07663f668c105f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a409321efc08d360e9b4c7f679e81a9626e193eed787fbc769f490c816371f
[INFO] running `Command { std: "docker" "start" "-a" "75a409321efc08d360e9b4c7f679e81a9626e193eed787fbc769f490c816371f", kill_on_drop: false }`
[INFO] [stderr]     Checking alsa-ctl-tlv-codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ChmapEntry, Infallible>
[INFO] [stdout]    --> src/items.rs:612:25
[INFO] [stdout]     |
[INFO] [stdout] 612 |             let entry = ChmapEntry::try_from(raw).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ChmapEntry, Infallible>
[INFO] [stdout]    --> src/items.rs:617:25
[INFO] [stdout]     |
[INFO] [stdout] 617 |             let entry = ChmapEntry::try_from(raw).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ChmapEntry, Infallible>
[INFO] [stdout]    --> src/items.rs:622:25
[INFO] [stdout]     |
[INFO] [stdout] 622 |             let entry = ChmapEntry::try_from(raw).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alsa-ctl-tlv-codec` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75a409321efc08d360e9b4c7f679e81a9626e193eed787fbc769f490c816371f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a409321efc08d360e9b4c7f679e81a9626e193eed787fbc769f490c816371f", kill_on_drop: false }`
[INFO] [stdout] 75a409321efc08d360e9b4c7f679e81a9626e193eed787fbc769f490c816371f