[INFO] fetching crate mist-core 2.0.1...
[INFO] checking mist-core-2.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mist-core 2.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mist-core 2.0.1
[INFO] finished tweaking crates.io crate mist-core 2.0.1
[INFO] tweaked toml for crates.io crate mist-core 2.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mist-core 2.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding directories v5.0.1 (available: v6.0.0)
[INFO] [stderr]       Adding font-kit v0.11.0 (available: v0.14.3)
[INFO] [stderr]       Adding quick-xml v0.30.0 (available: v0.38.4)
[INFO] [stderr]       Adding ron v0.8.1 (available: v0.12.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e929bb3416b670c9bd8dffa211cd652db8e4ce59865918bf7c6818e2c4f4dba2
[INFO] running `Command { std: "docker" "start" "-a" "e929bb3416b670c9bd8dffa211cd652db8e4ce59865918bf7c6818e2c4f4dba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e929bb3416b670c9bd8dffa211cd652db8e4ce59865918bf7c6818e2c4f4dba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e929bb3416b670c9bd8dffa211cd652db8e4ce59865918bf7c6818e2c4f4dba2", kill_on_drop: false }`
[INFO] [stdout] e929bb3416b670c9bd8dffa211cd652db8e4ce59865918bf7c6818e2c4f4dba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b9b46020a18f3fa88b471cf19df51d18cea98feb65860d8a72b079f504df2d5f
[INFO] running `Command { std: "docker" "start" "-a" "b9b46020a18f3fa88b471cf19df51d18cea98feb65860d8a72b079f504df2d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinyfiledialogs v3.9.1
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[INFO] [stderr]     Checking freetype v0.7.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking mist-core v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `target`
[INFO] [stdout]   --> src/timer/instant.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 #[cfg(target = "linux")]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("linux"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"linux\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `target`
[INFO] [stdout]   --> src/timer/instant.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 #[cfg(target = "linux")]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("linux"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"linux\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parse/msf.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let ver_info = String::from_str(lines.next().ok_or("Input was empty.")?.as_ref()).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mist-core` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/parse/msf.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let ver_info = String::from_str(lines.next().ok_or("Input was empty.")?.as_ref()).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mist-core` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b9b46020a18f3fa88b471cf19df51d18cea98feb65860d8a72b079f504df2d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b46020a18f3fa88b471cf19df51d18cea98feb65860d8a72b079f504df2d5f", kill_on_drop: false }`
[INFO] [stdout] b9b46020a18f3fa88b471cf19df51d18cea98feb65860d8a72b079f504df2d5f