[INFO] fetching crate cbor4ii 1.2.0... [INFO] checking cbor4ii-1.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate cbor4ii 1.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate cbor4ii 1.2.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cbor4ii 1.2.0 [INFO] tweaked toml for crates.io crate cbor4ii 1.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cbor4ii 1.2.0 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 cbor4ii 1.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a5fa56da2bc6b911eaad01d3785a07fc4adca90ca07226ecd894d61508418554 [INFO] running `Command { std: "docker" "start" "-a" "a5fa56da2bc6b911eaad01d3785a07fc4adca90ca07226ecd894d61508418554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5fa56da2bc6b911eaad01d3785a07fc4adca90ca07226ecd894d61508418554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5fa56da2bc6b911eaad01d3785a07fc4adca90ca07226ecd894d61508418554", kill_on_drop: false }` [INFO] [stdout] a5fa56da2bc6b911eaad01d3785a07fc4adca90ca07226ecd894d61508418554 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8faed2c629b45a75561ae47402a4695680638c10e42c84df3bb2e4d2e3bf26b6 [INFO] running `Command { std: "docker" "start" "-a" "8faed2c629b45a75561ae47402a4695680638c10e42c84df3bb2e4d2e3bf26b6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling anyhow v1.0.97 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking data-encoding v2.8.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking cbor4ii v1.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking clap_builder v4.5.35 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/core/utils.rs:62:92 [INFO] [stdout] | [INFO] [stdout] 62 | fn fill<'b>(&'b mut self, want: usize) -> Result, Self::Error> { [INFO] [stdout] | ____________________________________________________________________________________________^ [INFO] [stdout] 63 | | let len = core::cmp::min(self.buf.len(), want); [INFO] [stdout] 64 | | Ok(dec::Reference::Long(&self.buf[..len])) [INFO] [stdout] 65 | | } [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, Infallible> [INFO] [stdout] --> src/core/utils.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | Ok(dec::Reference::Long(&self.buf[..len])) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cbor4ii` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8faed2c629b45a75561ae47402a4695680638c10e42c84df3bb2e4d2e3bf26b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8faed2c629b45a75561ae47402a4695680638c10e42c84df3bb2e4d2e3bf26b6", kill_on_drop: false }` [INFO] [stdout] 8faed2c629b45a75561ae47402a4695680638c10e42c84df3bb2e4d2e3bf26b6