[INFO] fetching crate ipc-rpc 2.0.0... [INFO] checking ipc-rpc-2.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ipc-rpc 2.0.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ipc-rpc 2.0.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate ipc-rpc 2.0.0 [INFO] tweaked toml for crates.io crate ipc-rpc 2.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ipc-rpc 2.0.0 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 ipc-rpc 2.0.0 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] [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] 0b9804c71b15a1ff6a0ad58d98e6738806c1e89c645b86156727bf789b8bd255 [INFO] running `Command { std: "docker" "start" "-a" "0b9804c71b15a1ff6a0ad58d98e6738806c1e89c645b86156727bf789b8bd255", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b9804c71b15a1ff6a0ad58d98e6738806c1e89c645b86156727bf789b8bd255", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b9804c71b15a1ff6a0ad58d98e6738806c1e89c645b86156727bf789b8bd255", kill_on_drop: false }` [INFO] [stdout] 0b9804c71b15a1ff6a0ad58d98e6738806c1e89c645b86156727bf789b8bd255 [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] 5fab4519da3aa793bf88d33fe993af6aa4285ca5e804fa3d2ef693fdab485f83 [INFO] running `Command { std: "docker" "start" "-a" "5fab4519da3aa793bf88d33fe993af6aa4285ca5e804fa3d2ef693fdab485f83", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking tempfile v3.21.0 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Checking env_logger v0.11.8 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling thiserror-impl v2.0.16 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling test-log-macros v0.2.18 [INFO] [stderr] Checking test-log v0.2.18 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking ref-cast v1.0.24 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking thiserror v2.0.16 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking uuid v1.18.0 [INFO] [stderr] Checking ipc-channel v0.20.1 [INFO] [stderr] Checking schemars v1.0.4 [INFO] [stderr] Checking ipc-rpc v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:108:53 [INFO] [stdout] | [INFO] [stdout] 108 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 109 | | Ok(Self(s.to_string())) [INFO] [stdout] 110 | | } [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:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | Ok(Self(s.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/server.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | ConnectionKey::from_str(&server_name).expect("server_name is always uuid"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ipc-rpc` (lib) 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:108:53 [INFO] [stdout] | [INFO] [stdout] 108 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 109 | | Ok(Self(s.to_string())) [INFO] [stdout] 110 | | } [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:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | Ok(Self(s.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/server.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | ConnectionKey::from_str(&server_name).expect("server_name is always uuid"), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ipc-rpc` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5fab4519da3aa793bf88d33fe993af6aa4285ca5e804fa3d2ef693fdab485f83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fab4519da3aa793bf88d33fe993af6aa4285ca5e804fa3d2ef693fdab485f83", kill_on_drop: false }` [INFO] [stdout] 5fab4519da3aa793bf88d33fe993af6aa4285ca5e804fa3d2ef693fdab485f83