[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/projects/metadata.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 |             filetype: parse_hashmap_string_value::<String>(&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<std::string::String, Infallible>
[INFO] [stdout]   --> src/projects/metadata.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |             os_version: parse_hashmap_string_value::<String>(&hmap, "os_version", None)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/projects/metadata.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 |             filetype: parse_hashmap_string_value::<String>(&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<std::string::String, Infallible>
[INFO] [stdout]   --> src/projects/metadata.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |             os_version: parse_hashmap_string_value::<String>(&hmap, "os_version", None)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[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
