[INFO] fetching crate binary-codec 0.2.8...
[INFO] checking binary-codec-0.2.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate binary-codec 0.2.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate binary-codec 0.2.8
[INFO] finished tweaking crates.io crate binary-codec 0.2.8
[INFO] tweaked toml for crates.io crate binary-codec 0.2.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate binary-codec 0.2.8 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 binary-codec 0.2.8 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b506ad4df2e73d24c3dd3463b680f8a2cdb598a09a3e75fa02ff4dc16e282537
[INFO] running `Command { std: "docker" "start" "-a" "b506ad4df2e73d24c3dd3463b680f8a2cdb598a09a3e75fa02ff4dc16e282537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b506ad4df2e73d24c3dd3463b680f8a2cdb598a09a3e75fa02ff4dc16e282537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b506ad4df2e73d24c3dd3463b680f8a2cdb598a09a3e75fa02ff4dc16e282537", kill_on_drop: false }`
[INFO] [stdout] b506ad4df2e73d24c3dd3463b680f8a2cdb598a09a3e75fa02ff4dc16e282537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66bec8acd523c1d69162fc4399951ec8db23829213f914687b4802282c86eacd
[INFO] running `Command { std: "docker" "start" "-a" "66bec8acd523c1d69162fc4399951ec8db23829213f914687b4802282c86eacd", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling binary-codec-derive v0.2.8
[INFO] [stderr]     Checking binary-codec v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         u8::from_be_bytes(bytes.try_into().unwrap()).try_into().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<u16, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         u16::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         u32::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         u64::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/fixed_int.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         u128::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binary-codec` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         u8::from_be_bytes(bytes.try_into().unwrap()).try_into().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<u16, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         u16::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         u32::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/fixed_int.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         u64::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/fixed_int.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         u128::from_be_bytes(bytes.try_into().unwrap()).try_into().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binary-codec` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "66bec8acd523c1d69162fc4399951ec8db23829213f914687b4802282c86eacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bec8acd523c1d69162fc4399951ec8db23829213f914687b4802282c86eacd", kill_on_drop: false }`
[INFO] [stdout] 66bec8acd523c1d69162fc4399951ec8db23829213f914687b4802282c86eacd