[INFO] fetching crate backon 1.5.2...
[INFO] checking backon-1.5.2 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate backon 1.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate backon 1.5.2
[INFO] finished tweaking crates.io crate backon 1.5.2
[INFO] tweaked toml for crates.io crate backon 1.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backon 1.5.2 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backon 1.5.2 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b394c1f4d55b799ad04ceb06774c9f4058c020d8bcecffbf7254757c7900443c
[INFO] running `Command { std: "docker" "start" "-a" "b394c1f4d55b799ad04ceb06774c9f4058c020d8bcecffbf7254757c7900443c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b394c1f4d55b799ad04ceb06774c9f4058c020d8bcecffbf7254757c7900443c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b394c1f4d55b799ad04ceb06774c9f4058c020d8bcecffbf7254757c7900443c", kill_on_drop: false }`
[INFO] [stdout] b394c1f4d55b799ad04ceb06774c9f4058c020d8bcecffbf7254757c7900443c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a56338850b22b0d1500253f2be31e8e5461487f3dbc6d0da64d2ccbf0b0b5412
[INFO] running `Command { std: "docker" "start" "-a" "a56338850b22b0d1500253f2be31e8e5461487f3dbc6d0da64d2ccbf0b0b5412", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.47.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking openssl v0.10.73
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]     Checking native-tls v0.2.14
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking backon v1.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PleaseEnableAFeatureOrProvideACustomSleeper` is never constructed
[INFO] [stdout]   --> src/sleep.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct PleaseEnableAFeatureOrProvideACustomSleeper;
[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 `PleaseEnableAFeatureOrProvideACustomSleeper` is never constructed
[INFO] [stdout]   --> src/blocking_sleep.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct PleaseEnableAFeatureOrProvideACustomSleeper;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sqlx-core v0.8.6
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking sqlx-sqlite v0.8.6
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[INFO] [stderr]    Compiling sqlx-macros v0.8.6
[INFO] [stderr]     Checking sqlx v0.8.6
[INFO] [stdout] warning: struct `PleaseEnableAFeatureOrProvideACustomSleeper` is never constructed
[INFO] [stdout]   --> src/sleep.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct PleaseEnableAFeatureOrProvideACustomSleeper;
[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 `PleaseEnableAFeatureOrProvideACustomSleeper` is never constructed
[INFO] [stdout]   --> src/blocking_sleep.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct PleaseEnableAFeatureOrProvideACustomSleeper;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.75s
[INFO] running `Command { std: "docker" "inspect" "a56338850b22b0d1500253f2be31e8e5461487f3dbc6d0da64d2ccbf0b0b5412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56338850b22b0d1500253f2be31e8e5461487f3dbc6d0da64d2ccbf0b0b5412", kill_on_drop: false }`
[INFO] [stdout] a56338850b22b0d1500253f2be31e8e5461487f3dbc6d0da64d2ccbf0b0b5412