[INFO] fetching crate hellman-output 0.3.0... [INFO] checking hellman-output-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate hellman-output 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate hellman-output 0.3.0 [INFO] finished tweaking crates.io crate hellman-output 0.3.0 [INFO] tweaked toml for crates.io crate hellman-output 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hellman-output 0.3.0 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 hellman-output 0.3.0 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-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] df8abb8e1953817c67a926cc275f04f7852fa45356a48d5790478c02e983d474 [INFO] running `Command { std: "docker" "start" "-a" "df8abb8e1953817c67a926cc275f04f7852fa45356a48d5790478c02e983d474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df8abb8e1953817c67a926cc275f04f7852fa45356a48d5790478c02e983d474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df8abb8e1953817c67a926cc275f04f7852fa45356a48d5790478c02e983d474", kill_on_drop: false }` [INFO] [stdout] df8abb8e1953817c67a926cc275f04f7852fa45356a48d5790478c02e983d474 [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] c08c0307671151770ba13526726de763e469bea7e075e42695bd0ee8a1dded4f [INFO] running `Command { std: "docker" "start" "-a" "c08c0307671151770ba13526726de763e469bea7e075e42695bd0ee8a1dded4f", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Checking clap_builder v4.5.30 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling clap_derive v4.5.28 [INFO] [stderr] Checking clap v4.5.30 [INFO] [stderr] Checking alphabet-encoding v0.1.1 [INFO] [stderr] Checking hellman-output v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:15:53 [INFO] [stdout] | [INFO] [stdout] 15 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 16 | | Ok(Self::default().push_str(s)) [INFO] [stdout] 17 | | } [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 [INFO] [stdout] --> src/lib.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | Ok(Self::default().push_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | &HellmanOutput::from_str(s).unwrap().to_string(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hellman-output` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:15:53 [INFO] [stdout] | [INFO] [stdout] 15 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 16 | | Ok(Self::default().push_str(s)) [INFO] [stdout] 17 | | } [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 [INFO] [stdout] --> src/lib.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | Ok(Self::default().push_str(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hellman-output` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c08c0307671151770ba13526726de763e469bea7e075e42695bd0ee8a1dded4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c08c0307671151770ba13526726de763e469bea7e075e42695bd0ee8a1dded4f", kill_on_drop: false }` [INFO] [stdout] c08c0307671151770ba13526726de763e469bea7e075e42695bd0ee8a1dded4f