[INFO] fetching crate koto_serde 0.16.0...
[INFO] checking koto_serde-0.16.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate koto_serde 0.16.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate koto_serde 0.16.0
[INFO] finished tweaking crates.io crate koto_serde 0.16.0
[INFO] tweaked toml for crates.io crate koto_serde 0.16.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koto_serde 0.16.0 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 koto_serde 0.16.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6cc1fa812ed4c6a7122ce8cf5d251b84fc6eead9b7ffd4b82da462a7d13af670
[INFO] running `Command { std: "docker" "start" "-a" "6cc1fa812ed4c6a7122ce8cf5d251b84fc6eead9b7ffd4b82da462a7d13af670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc1fa812ed4c6a7122ce8cf5d251b84fc6eead9b7ffd4b82da462a7d13af670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc1fa812ed4c6a7122ce8cf5d251b84fc6eead9b7ffd4b82da462a7d13af670", kill_on_drop: false }`
[INFO] [stdout] 6cc1fa812ed4c6a7122ce8cf5d251b84fc6eead9b7ffd4b82da462a7d13af670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 43afb45d7ea53919e4314ddc5baf5ca1fecf5ff8addefcaaa8f198deb1dc330d
[INFO] running `Command { std: "docker" "start" "-a" "43afb45d7ea53919e4314ddc5baf5ca1fecf5ff8addefcaaa8f198deb1dc330d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking koto_memory v0.16.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking circular-buffer v1.1.0
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking koto_lexer v0.16.0
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking saturating_cast v0.1.0
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling derive-name-macros v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling koto_derive v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking derive-name v1.1.0
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking koto_parser v0.16.0
[INFO] [stderr]     Checking koto_bytecode v0.16.0
[INFO] [stderr]     Checking koto_runtime v0.16.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking koto_serde v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `koto_serde` (lib test) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     try_deserialize_number!(deserialize_i128);
[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 `try_deserialize_number` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     try_deserialize_number!(deserialize_u64);
[INFO] [stdout]     |     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_deserialize_number` (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: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     try_deserialize_number!(deserialize_u128);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_deserialize_number` (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: std::result::Result<u8, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:334:40
[INFO] [stdout]     |
[INFO] [stdout] 334 |             KValue::Number(n) => match u8::try_from(n) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     try_deserialize_number!(deserialize_i128);
[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 `try_deserialize_number` (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: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     try_deserialize_number!(deserialize_u64);
[INFO] [stdout]     |     ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_deserialize_number` (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: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:41:44
[INFO] [stdout]     |
[INFO] [stdout]  41 |                 KValue::Number(n) => match i64::try_from(n) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     try_deserialize_number!(deserialize_u128);
[INFO] [stdout]     |     ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_deserialize_number` (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: std::result::Result<u8, Infallible>
[INFO] [stdout]    --> src/deserializer.rs:334:40
[INFO] [stdout]     |
[INFO] [stdout] 334 |             KValue::Number(n) => match u8::try_from(n) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koto_serde` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "43afb45d7ea53919e4314ddc5baf5ca1fecf5ff8addefcaaa8f198deb1dc330d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43afb45d7ea53919e4314ddc5baf5ca1fecf5ff8addefcaaa8f198deb1dc330d", kill_on_drop: false }`
[INFO] [stdout] 43afb45d7ea53919e4314ddc5baf5ca1fecf5ff8addefcaaa8f198deb1dc330d
