[INFO] cloning repository https://github.com/mozilla-services/diff.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla-services/diff.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla-services%2Fdiff.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla-services%2Fdiff.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 742079d53147d99645ff7581498c20013e6c06a4
[INFO] checking mozilla-services/diff.rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla-services%2Fdiff.rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mozilla-services/diff.rs
[INFO] finished tweaking git repo https://github.com/mozilla-services/diff.rs
[INFO] tweaked toml for git repo https://github.com/mozilla-services/diff.rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mozilla-services/diff.rs 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 git repo https://github.com/mozilla-services/diff.rs 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] c8841f1455963f37284d612ee10a192f8f6f58b332ff1c488821cb63b84a3531
[INFO] running `Command { std: "docker" "start" "-a" "c8841f1455963f37284d612ee10a192f8f6f58b332ff1c488821cb63b84a3531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8841f1455963f37284d612ee10a192f8f6f58b332ff1c488821cb63b84a3531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8841f1455963f37284d612ee10a192f8f6f58b332ff1c488821cb63b84a3531", kill_on_drop: false }`
[INFO] [stdout] c8841f1455963f37284d612ee10a192f8f6f58b332ff1c488821cb63b84a3531
[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] 9cd6392a6abb0e822381f21884197d8bfd1642f5225f7aa35b465b1c049d8fdf
[INFO] running `Command { std: "docker" "start" "-a" "9cd6392a6abb0e822381f21884197d8bfd1642f5225f7aa35b465b1c049d8fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.95
[INFO] [stderr]    Compiling wasm-bindgen v0.2.95
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling anyhow v1.0.91
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling vergen-lib v0.1.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling vergen v9.0.1
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling vergen-gitcl v1.0.1
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking subslice-offset v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.95
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking xattr v1.3.1
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking tar v0.4.42
[INFO] [stderr]    Compiling yew-callbacks v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.95
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling gloo-worker-macros v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling implicit-clone-derive v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.95
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking implicit-clone v0.4.9
[INFO] [stderr]    Compiling yew-macro v0.21.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking js-sys v0.3.72
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling yew-router-macro v0.18.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]     Checking pinned v0.1.0
[INFO] [stderr]    Compiling diff-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking prokio v0.1.0
[INFO] [stderr]     Checking web-sys v0.3.72
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.45
[INFO] [stderr]     Checking gloo-timers v0.3.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking syntect v5.2.0
[INFO] [stderr]     Checking gloo-utils v0.2.0
[INFO] [stderr]     Checking gloo-events v0.2.0
[INFO] [stderr]     Checking gloo-dialogs v0.2.0
[INFO] [stderr]     Checking gloo-render v0.2.0
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking gloo-console v0.3.0
[INFO] [stderr]     Checking gloo-storage v0.3.0
[INFO] [stderr]     Checking gloo-worker v0.4.0
[INFO] [stderr]     Checking gloo-net v0.4.0
[INFO] [stderr]     Checking gloo-net v0.5.0
[INFO] [stderr]     Checking gloo-worker v0.5.0
[INFO] [stderr]     Checking gloo-net v0.6.0
[INFO] [stderr]     Checking gloo-file v0.3.0
[INFO] [stderr]     Checking gloo-history v0.2.2
[INFO] [stderr]     Checking gloo v0.11.0
[INFO] [stderr]     Checking gloo v0.10.0
[INFO] [stderr]     Checking yew v0.21.0
[INFO] [stderr]     Checking yew_icons v0.8.0
[INFO] [stderr]     Checking yew-router v0.18.0
[INFO] [stderr]     Checking yewprint v0.5.0
[INFO] [stderr]     Checking yew-hooks v0.3.2
[INFO] [stdout] warning: struct `CrateInfo` is never constructed
[INFO] [stdout]   --> src/data.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct CrateInfo {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CrateInfo` is never constructed
[INFO] [stdout]   --> src/data.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct CrateInfo {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(Clone, Routable, PartialEq)]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(Clone, Routable, PartialEq)]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(Clone, Routable, PartialEq)]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(Clone, Routable, PartialEq)]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Routable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diff-rs` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `diff-rs` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9cd6392a6abb0e822381f21884197d8bfd1642f5225f7aa35b465b1c049d8fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd6392a6abb0e822381f21884197d8bfd1642f5225f7aa35b465b1c049d8fdf", kill_on_drop: false }`
[INFO] [stdout] 9cd6392a6abb0e822381f21884197d8bfd1642f5225f7aa35b465b1c049d8fdf
