[INFO] fetching crate fret-diag 0.1.0...
[INFO] checking fret-diag-0.1.0 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate fret-diag 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fret-diag 0.1.0
[INFO] finished tweaking crates.io crate fret-diag 0.1.0
[INFO] tweaked toml for crates.io crate fret-diag 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fret-diag 0.1.0 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fret-diag 0.1.0 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5adb369d4dee80f7f75929ae3439a443e0d167ea15f86b1729003b6a953671d
[INFO] running `Command { std: "docker" "start" "-a" "f5adb369d4dee80f7f75929ae3439a443e0d167ea15f86b1729003b6a953671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5adb369d4dee80f7f75929ae3439a443e0d167ea15f86b1729003b6a953671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5adb369d4dee80f7f75929ae3439a443e0d167ea15f86b1729003b6a953671d", kill_on_drop: false }`
[INFO] [stdout] f5adb369d4dee80f7f75929ae3439a443e0d167ea15f86b1729003b6a953671d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e933b1c9c5ef2a2266ad567046aaa7cd382fdc22b63926a7815adc43262096
[INFO] running `Command { std: "docker" "start" "-a" "b7e933b1c9c5ef2a2266ad567046aaa7cd382fdc22b63926a7815adc43262096", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking zune-jpeg v0.5.12
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking windows-link v0.2.1
[INFO] [stderr]     Checking windows-sys v0.61.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking sysinfo v0.33.1
[INFO] [stderr]     Checking moxcms v0.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking image v0.25.10
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking tungstenite v0.27.0
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking keyboard-types v0.8.3
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking fret-core v0.1.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking fret-diag-protocol v0.1.0
[INFO] [stderr]     Checking fret-diag-ws v0.1.0
[INFO] [stderr]     Checking fret-diag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compare.rs:1711:17
[INFO] [stdout]      |
[INFO] [stdout] 1711 |             let mut footprint = collect_demo_footprint_json(demo, false, {
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compare.rs:1764:9
[INFO] [stdout]      |
[INFO] [stdout] 1764 |     let mut footprint = collect_demo_footprint_json(demo, true, {
[INFO] [stdout]      |         ----^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compare.rs:1711:17
[INFO] [stdout]      |
[INFO] [stdout] 1711 |             let mut footprint = collect_demo_footprint_json(demo, false, {
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/compare.rs:1764:9
[INFO] [stdout]      |
[INFO] [stdout] 1764 |     let mut footprint = collect_demo_footprint_json(demo, true, {
[INFO] [stdout]      |         ----^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "b7e933b1c9c5ef2a2266ad567046aaa7cd382fdc22b63926a7815adc43262096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e933b1c9c5ef2a2266ad567046aaa7cd382fdc22b63926a7815adc43262096", kill_on_drop: false }`
[INFO] [stdout] b7e933b1c9c5ef2a2266ad567046aaa7cd382fdc22b63926a7815adc43262096