[INFO] fetching crate x32_osc_state 0.1.2...
[INFO] checking x32_osc_state-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate x32_osc_state 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate x32_osc_state 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate x32_osc_state 0.1.2
[INFO] tweaked toml for crates.io crate x32_osc_state 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate x32_osc_state 0.1.2 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 x32_osc_state 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 72d32cfbddce643c97941d0907a2b273d39743f055f73c88ea30769d2da3ae24
[INFO] running `Command { std: "docker" "start" "-a" "72d32cfbddce643c97941d0907a2b273d39743f055f73c88ea30769d2da3ae24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d32cfbddce643c97941d0907a2b273d39743f055f73c88ea30769d2da3ae24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d32cfbddce643c97941d0907a2b273d39743f055f73c88ea30769d2da3ae24", kill_on_drop: false }`
[INFO] [stdout] 72d32cfbddce643c97941d0907a2b273d39743f055f73c88ea30769d2da3ae24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6a55b560b45546b6adeb2a52942d2112d0aad8a40fa900b0e131e9cfdf4e087
[INFO] running `Command { std: "docker" "start" "-a" "b6a55b560b45546b6adeb2a52942d2112d0aad8a40fa900b0e131e9cfdf4e087", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_json v1.0.138
[INFO] [stderr]     Checking x32_osc_state v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/osc/mod.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let data:Vec<u8> = data.into_iter().map(|v| (v as u8)).collect();
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         let data:Vec<u8> = data.into_iter().map(|v| (v as u8)).collect();
[INFO] [stdout] 74 +         let data:Vec<u8> = data.into_iter().map(|v| v as u8).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/osc/mod.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let data:Vec<u8> = data.into_iter().map(|v| (v as u8)).collect();
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         let data:Vec<u8> = data.into_iter().map(|v| (v as u8)).collect();
[INFO] [stdout] 74 +         let data:Vec<u8> = data.into_iter().map(|v| v as u8).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Buffer, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |               let buffer:Buffer = osc_type.clone().try_into().expect("buffer pack failed");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 |               let orig_value:Result<$ty, _> = osc_type.clone().try_into();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |               assert_eq!(orig_value, Ok(input), "orig match extracted");
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |               assert_eq!(orig_value, Ok(input), "orig match extracted");
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Type, Infallible>
[INFO] [stdout]   --> tests/osc_types.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / simple_type_test! {
[INFO] [stdout] 40 | |     integer : (23_i32, 'i', 4, "|i:23|"), i32,
[INFO] [stdout] 41 | |     long_integer : (23_i64, 'h', 8, "|h:23|"), i64,
[INFO] [stdout] 42 | |     float : (69.69_f32, 'f', 4, "|f:69.69|"), f32,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     string_empty : (String::new(), 's', 4, "|s:••••[4]|"), String,
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `simple_type_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x32_osc_state` (test "osc_types") due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b6a55b560b45546b6adeb2a52942d2112d0aad8a40fa900b0e131e9cfdf4e087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a55b560b45546b6adeb2a52942d2112d0aad8a40fa900b0e131e9cfdf4e087", kill_on_drop: false }`
[INFO] [stdout] b6a55b560b45546b6adeb2a52942d2112d0aad8a40fa900b0e131e9cfdf4e087
