[INFO] fetching crate backon 1.5.2...
[INFO] building backon-1.5.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate backon 1.5.2 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backon 1.5.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98089eaf8939e58105b672ea7e78e18e73b771a4b919ccc4324b8fed64629074
[INFO] running `Command { std: "docker" "start" "-a" "98089eaf8939e58105b672ea7e78e18e73b771a4b919ccc4324b8fed64629074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98089eaf8939e58105b672ea7e78e18e73b771a4b919ccc4324b8fed64629074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98089eaf8939e58105b672ea7e78e18e73b771a4b919ccc4324b8fed64629074", kill_on_drop: false }`
[INFO] [stdout] 98089eaf8939e58105b672ea7e78e18e73b771a4b919ccc4324b8fed64629074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b3a4959bce6aefabd3ad4e242f63384c41ac0a45834cc37f8123e602b31422d
[INFO] running `Command { std: "docker" "start" "-a" "6b3a4959bce6aefabd3ad4e242f63384c41ac0a45834cc37f8123e602b31422d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "6b3a4959bce6aefabd3ad4e242f63384c41ac0a45834cc37f8123e602b31422d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3a4959bce6aefabd3ad4e242f63384c41ac0a45834cc37f8123e602b31422d", kill_on_drop: false }`
[INFO] [stdout] 6b3a4959bce6aefabd3ad4e242f63384c41ac0a45834cc37f8123e602b31422d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1cae482b6dd731e9ea2fe5fccd0efd400c3d48f2af67db1faff3a6798c16f61
[INFO] running `Command { std: "docker" "start" "-a" "b1cae482b6dd731e9ea2fe5fccd0efd400c3d48f2af67db1faff3a6798c16f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
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[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
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[INFO] [stderr]    Compiling indexmap v2.10.0
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]    Compiling icu_locale_core v2.0.0
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[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling 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 url v2.5.4
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling sqlx-core v0.8.6
[INFO] [stderr]    Compiling sqlx-sqlite v0.8.6
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.22
[INFO] [stderr]    Compiling sqlx-macros v0.8.6
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "b1cae482b6dd731e9ea2fe5fccd0efd400c3d48f2af67db1faff3a6798c16f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cae482b6dd731e9ea2fe5fccd0efd400c3d48f2af67db1faff3a6798c16f61", kill_on_drop: false }`
[INFO] [stdout] b1cae482b6dd731e9ea2fe5fccd0efd400c3d48f2af67db1faff3a6798c16f61