[INFO] fetching crate stackure 1.20260417.5...
[INFO] testing stackure-1.20260417.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stackure 1.20260417.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate stackure 1.20260417.5
[INFO] finished tweaking crates.io crate stackure 1.20260417.5
[INFO] tweaked toml for crates.io crate stackure 1.20260417.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackure 1.20260417.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stackure 1.20260417.5 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53fe026872782edbac5803e760a73b06c8833072547442e78dd2718b9e8ec54
[INFO] running `Command { std: "docker" "start" "-a" "a53fe026872782edbac5803e760a73b06c8833072547442e78dd2718b9e8ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53fe026872782edbac5803e760a73b06c8833072547442e78dd2718b9e8ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53fe026872782edbac5803e760a73b06c8833072547442e78dd2718b9e8ec54", kill_on_drop: false }`
[INFO] [stdout] a53fe026872782edbac5803e760a73b06c8833072547442e78dd2718b9e8ec54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e52ba4dfffa8d0faa3ae009b3e45d2468e16cce50d2c606e21e78695bfdab894
[INFO] running `Command { std: "docker" "start" "-a" "e52ba4dfffa8d0faa3ae009b3e45d2468e16cce50d2c606e21e78695bfdab894", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.113
[INFO] [stderr]    Compiling openssl v0.10.77
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling publicsuffix v2.3.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling cookie_store v0.22.1
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling stackure v1.20260417.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.62s
[INFO] running `Command { std: "docker" "inspect" "e52ba4dfffa8d0faa3ae009b3e45d2468e16cce50d2c606e21e78695bfdab894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52ba4dfffa8d0faa3ae009b3e45d2468e16cce50d2c606e21e78695bfdab894", kill_on_drop: false }`
[INFO] [stdout] e52ba4dfffa8d0faa3ae009b3e45d2468e16cce50d2c606e21e78695bfdab894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e009f7288b800122f3638a2036289f163783ccde4264304e20b4ac87dfa92fbb
[INFO] running `Command { std: "docker" "start" "-a" "e009f7288b800122f3638a2036289f163783ccde4264304e20b4ac87dfa92fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling stackure v1.20260417.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.31s
[INFO] running `Command { std: "docker" "inspect" "e009f7288b800122f3638a2036289f163783ccde4264304e20b4ac87dfa92fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e009f7288b800122f3638a2036289f163783ccde4264304e20b4ac87dfa92fbb", kill_on_drop: false }`
[INFO] [stdout] e009f7288b800122f3638a2036289f163783ccde4264304e20b4ac87dfa92fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1fa4f1daa02e5e454e9801ab4a328de84eac049d85daac971f15e2d06916b10
[INFO] running `Command { std: "docker" "start" "-a" "b1fa4f1daa02e5e454e9801ab4a328de84eac049d85daac971f15e2d06916b10", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackure-8af0ddd592b7563e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackure
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - verify (line 71) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1fa4f1daa02e5e454e9801ab4a328de84eac049d85daac971f15e2d06916b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fa4f1daa02e5e454e9801ab4a328de84eac049d85daac971f15e2d06916b10", kill_on_drop: false }`
[INFO] [stdout] b1fa4f1daa02e5e454e9801ab4a328de84eac049d85daac971f15e2d06916b10
