[INFO] fetching crate ot-tools-io 0.5.0... [INFO] checking ot-tools-io-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ot-tools-io 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ot-tools-io 0.5.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ot-tools-io 0.5.0 [INFO] tweaked toml for crates.io crate ot-tools-io 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ot-tools-io 0.5.0 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 ot-tools-io 0.5.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 085f5854a4b1a152ec5531af6c9a19f51333e46462c1c7967b2e5487dbbcfffe [INFO] running `Command { std: "docker" "start" "-a" "085f5854a4b1a152ec5531af6c9a19f51333e46462c1c7967b2e5487dbbcfffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "085f5854a4b1a152ec5531af6c9a19f51333e46462c1c7967b2e5487dbbcfffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "085f5854a4b1a152ec5531af6c9a19f51333e46462c1c7967b2e5487dbbcfffe", kill_on_drop: false }` [INFO] [stdout] 085f5854a4b1a152ec5531af6c9a19f51333e46462c1c7967b2e5487dbbcfffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b8e2f50953f27caa71e0018095f7e710771e52e0b32cdcdcaae9e69d55d63ed5 [INFO] running `Command { std: "docker" "start" "-a" "b8e2f50953f27caa71e0018095f7e710771e52e0b32cdcdcaae9e69d55d63ed5", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.20 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_yml v0.0.12 [INFO] [stderr] Checking libyml v0.0.5 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling ot-tools-io-derive v0.5.0 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking serde-big-array v0.5.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ot-tools-io v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/projects/metadata.rs:76:23 [INFO] [stdout] | [INFO] [stdout] 76 | filetype: parse_hashmap_string_value::(&hmap, "type", None) [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/projects/metadata.rs:79:25 [INFO] [stdout] | [INFO] [stdout] 79 | os_version: parse_hashmap_string_value::(&hmap, "os_version", None) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/projects/slots.rs:189:20 [INFO] [stdout] | [INFO] [stdout] 189 | let path = PathBuf::from_str(path_str).map_err(|_| ProjectParseError::String)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ot-tools-io` (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/projects/metadata.rs:76:23 [INFO] [stdout] | [INFO] [stdout] 76 | filetype: parse_hashmap_string_value::(&hmap, "type", None) [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/projects/metadata.rs:79:25 [INFO] [stdout] | [INFO] [stdout] 79 | os_version: parse_hashmap_string_value::(&hmap, "os_version", None) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/projects/slots.rs:189:20 [INFO] [stdout] | [INFO] [stdout] 189 | let path = PathBuf::from_str(path_str).map_err(|_| ProjectParseError::String)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ot-tools-io` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "b8e2f50953f27caa71e0018095f7e710771e52e0b32cdcdcaae9e69d55d63ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8e2f50953f27caa71e0018095f7e710771e52e0b32cdcdcaae9e69d55d63ed5", kill_on_drop: false }` [INFO] [stdout] b8e2f50953f27caa71e0018095f7e710771e52e0b32cdcdcaae9e69d55d63ed5