[INFO] fetching crate ads_client 2.0.1...
[INFO] checking ads_client-2.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ads_client 2.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ads_client 2.0.1
[INFO] finished tweaking crates.io crate ads_client 2.0.1
[INFO] tweaked toml for crates.io crate ads_client 2.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ads_client 2.0.1 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 ads_client 2.0.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 800b259783b66c0bf16c3e6987d4bd87746d1dc581a28d145c7b2db2203262da
[INFO] running `Command { std: "docker" "start" "-a" "800b259783b66c0bf16c3e6987d4bd87746d1dc581a28d145c7b2db2203262da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "800b259783b66c0bf16c3e6987d4bd87746d1dc581a28d145c7b2db2203262da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800b259783b66c0bf16c3e6987d4bd87746d1dc581a28d145c7b2db2203262da", kill_on_drop: false }`
[INFO] [stdout] 800b259783b66c0bf16c3e6987d4bd87746d1dc581a28d145c7b2db2203262da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a76bf2c783b58bdb0d0641c91666f9ea7a46877d7ae8e99a2045b763db26af20
[INFO] running `Command { std: "docker" "start" "-a" "a76bf2c783b58bdb0d0641c91666f9ea7a46877d7ae8e99a2045b763db26af20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking mock_instant v0.6.0
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking thread-id v5.0.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking ads_client v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log4rs v1.4.0
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/read_symbol.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n_hdl = u32::from_ne_bytes(hdl.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<[u8; 2], Infallible>
[INFO] [stdout]   --> examples/read_symbol.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let n_cnt_a = u16::from_ne_bytes(plc_n_cnt_a.try_into().unwrap());
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification.rs:32:40
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let var_hdl_a = u32::from_ne_bytes(var_hdl_a.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<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let var_hdl_b = u32::from_ne_bytes(var_hdl_b.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let var_hdl_c = u32::from_ne_bytes(var_hdl_c.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ads_client` (example "notification") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ads_client` (example "read_symbol") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/read_symbol_async_inf.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let n_hdl = u32::from_ne_bytes(hdl.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<[u8; 2], Infallible>
[INFO] [stdout]   --> examples/read_symbol_async_inf.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     let n_cnt_a = u16::from_ne_bytes(plc_n_cnt_a.try_into().unwrap());
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ads_client` (example "read_symbol_async_inf") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification_async.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let var_hdl_a = u32::from_ne_bytes(var_hdl_a.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<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification_async.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let var_hdl_b = u32::from_ne_bytes(var_hdl_b.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/notification_async.rs:48:40
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let var_hdl_c = u32::from_ne_bytes(var_hdl_c.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/read_symbol_async.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let n_hdl = u32::from_ne_bytes(hdl.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<[u8; 2], Infallible>
[INFO] [stdout]   --> examples/read_symbol_async.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let n_cnt_a = u16::from_ne_bytes(plc_n_cnt_a.try_into().unwrap());
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ads_client` (example "notification_async") due to 3 previous errors
[INFO] [stderr] error: could not compile `ads_client` (example "read_symbol_async") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/write_symbol.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let n_hdl = u32::from_ne_bytes(hdl.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] [stderr] error: could not compile `ads_client` (example "write_symbol") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/write_symbol_async.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let n_hdl = u32::from_ne_bytes(hdl.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] [stderr] error: could not compile `ads_client` (example "write_symbol_async") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/log4rs.rs:89:40
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let var_hdl_a = u32::from_ne_bytes(var_hdl_a.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<[u8; 4], Infallible>
[INFO] [stdout]   --> examples/log4rs.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let var_hdl_b = u32::from_ne_bytes(var_hdl_b.try_into().unwrap());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> examples/log4rs.rs:106:40
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let var_hdl_c = u32::from_ne_bytes(var_hdl_c.try_into().unwrap());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> examples/log4rs.rs:300:40
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let n_hdl = u32::from_ne_bytes(hdl.try_into().unwrap());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 2], Infallible>
[INFO] [stdout]    --> examples/log4rs.rs:312:58
[INFO] [stdout]     |
[INFO] [stdout] 312 |                         let n_cnt_a = u16::from_ne_bytes(plc_n_cnt_a.try_into().unwrap());
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ads_client` (example "log4rs") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a76bf2c783b58bdb0d0641c91666f9ea7a46877d7ae8e99a2045b763db26af20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76bf2c783b58bdb0d0641c91666f9ea7a46877d7ae8e99a2045b763db26af20", kill_on_drop: false }`
[INFO] [stdout] a76bf2c783b58bdb0d0641c91666f9ea7a46877d7ae8e99a2045b763db26af20
