[INFO] fetching crate lofty 0.22.4... [INFO] checking lofty-0.22.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate lofty 0.22.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate lofty 0.22.4 [INFO] finished tweaking crates.io crate lofty 0.22.4 [INFO] tweaked toml for crates.io crate lofty 0.22.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lofty 0.22.4 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 lofty 0.22.4 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] bc9dfde4abf951b537c490ad31ab22b0c8dcfd24b13795dc493a7e04236af44e [INFO] running `Command { std: "docker" "start" "-a" "bc9dfde4abf951b537c490ad31ab22b0c8dcfd24b13795dc493a7e04236af44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc9dfde4abf951b537c490ad31ab22b0c8dcfd24b13795dc493a7e04236af44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc9dfde4abf951b537c490ad31ab22b0c8dcfd24b13795dc493a7e04236af44e", kill_on_drop: false }` [INFO] [stdout] bc9dfde4abf951b537c490ad31ab22b0c8dcfd24b13795dc493a7e04236af44e [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] 5e2e0dce5b92fdbc29ee8811b8ff5f3be0a11becbd6fdd74ea43002aaf817c7d [INFO] running `Command { std: "docker" "start" "-a" "5e2e0dce5b92fdbc29ee8811b8ff5f3be0a11becbd6fdd74ea43002aaf817c7d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.15 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking log v0.4.25 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.137 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking bitflags v2.8.0 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling iai-callgrind-runner v0.14.0 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking miniz_oxide v0.8.3 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling iai-callgrind v0.14.0 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking data-encoding v2.7.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking env_logger v0.11.6 [INFO] [stderr] Checking ogg_pager v0.7.0 [INFO] [stderr] Checking flate2 v1.0.35 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking tempfile v3.15.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling derive_more-impl v1.0.0 [INFO] [stderr] Compiling lofty_attr v0.11.1 [INFO] [stderr] Compiling test-log-macros v0.2.17 [INFO] [stderr] Checking test-log v0.2.17 [INFO] [stderr] Checking lofty v0.22.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling derive_more v1.0.0 [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/util/io.rs:154:57 [INFO] [stdout] | [INFO] [stdout] 154 | fn len(&self) -> std::result::Result { [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 155 | | Ok(self.len() as u64) [INFO] [stdout] 156 | | } [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: std::result::Result [INFO] [stdout] --> src/util/io.rs:155:3 [INFO] [stdout] | [INFO] [stdout] 155 | Ok(self.len() as u64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/util/io.rs:162:57 [INFO] [stdout] | [INFO] [stdout] 162 | fn len(&self) -> std::result::Result { [INFO] [stdout] | ____________________________________________________________^ [INFO] [stdout] 163 | | Ok(self.len() as u64) [INFO] [stdout] 164 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/util/io.rs:163:3 [INFO] [stdout] | [INFO] [stdout] 163 | Ok(self.len() as u64) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lofty` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5e2e0dce5b92fdbc29ee8811b8ff5f3be0a11becbd6fdd74ea43002aaf817c7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2e0dce5b92fdbc29ee8811b8ff5f3be0a11becbd6fdd74ea43002aaf817c7d", kill_on_drop: false }` [INFO] [stdout] 5e2e0dce5b92fdbc29ee8811b8ff5f3be0a11becbd6fdd74ea43002aaf817c7d