[INFO] fetching crate backon 1.5.2...
[INFO] building backon-1.5.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate backon 1.5.2 into /workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate backon 1.5.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c39e7d9b96f919851805b470e1ce075c23966fbb697bfecd9def145722c0fc5
[INFO] running `Command { std: "docker" "start" "-a" "2c39e7d9b96f919851805b470e1ce075c23966fbb697bfecd9def145722c0fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c39e7d9b96f919851805b470e1ce075c23966fbb697bfecd9def145722c0fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c39e7d9b96f919851805b470e1ce075c23966fbb697bfecd9def145722c0fc5", kill_on_drop: false }`
[INFO] [stdout] 2c39e7d9b96f919851805b470e1ce075c23966fbb697bfecd9def145722c0fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775ff128ab481d6314109075eb169b7685fcfcd0cf6d32e20436ff5cee09ce15
[INFO] running `Command { std: "docker" "start" "-a" "775ff128ab481d6314109075eb169b7685fcfcd0cf6d32e20436ff5cee09ce15", 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 1.64s
[INFO] running `Command { std: "docker" "inspect" "775ff128ab481d6314109075eb169b7685fcfcd0cf6d32e20436ff5cee09ce15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775ff128ab481d6314109075eb169b7685fcfcd0cf6d32e20436ff5cee09ce15", kill_on_drop: false }`
[INFO] [stdout] 775ff128ab481d6314109075eb169b7685fcfcd0cf6d32e20436ff5cee09ce15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dba5b6002e7dc4357d70abaa40eb618b94ea3e346f8357acf0b6ffe8b7e186d
[INFO] running `Command { std: "docker" "start" "-a" "5dba5b6002e7dc4357d70abaa40eb618b94ea3e346f8357acf0b6ffe8b7e186d", 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
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling backon v1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling idna v1.0.3
[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 h2 v0.4.11
[INFO] [stderr]    Compiling tower-http v0.6.6
[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 hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.22
[INFO] [stderr]    Compiling sqlx-sqlite v0.8.6
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[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 17s
[INFO] running `Command { std: "docker" "inspect" "5dba5b6002e7dc4357d70abaa40eb618b94ea3e346f8357acf0b6ffe8b7e186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dba5b6002e7dc4357d70abaa40eb618b94ea3e346f8357acf0b6ffe8b7e186d", kill_on_drop: false }`
[INFO] [stdout] 5dba5b6002e7dc4357d70abaa40eb618b94ea3e346f8357acf0b6ffe8b7e186d
