[INFO] fetching crate toolchain 0.1.0-alpha.1...
[INFO] testing toolchain-0.1.0-alpha.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate toolchain 0.1.0-alpha.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate toolchain 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate toolchain 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate toolchain 0.1.0-alpha.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toolchain 0.1.0-alpha.1 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 toolchain 0.1.0-alpha.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f5e03a294699c081196086a7a418d8b05d56869a19c605508dc200f0062a30d
[INFO] running `Command { std: "docker" "start" "-a" "5f5e03a294699c081196086a7a418d8b05d56869a19c605508dc200f0062a30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f5e03a294699c081196086a7a418d8b05d56869a19c605508dc200f0062a30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5e03a294699c081196086a7a418d8b05d56869a19c605508dc200f0062a30d", kill_on_drop: false }`
[INFO] [stdout] 5f5e03a294699c081196086a7a418d8b05d56869a19c605508dc200f0062a30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 861222e9c9863e59012cce55e012507a1ee0e1fa77dddba9b38833b82eb44f4f
[INFO] running `Command { std: "docker" "start" "-a" "861222e9c9863e59012cce55e012507a1ee0e1fa77dddba9b38833b82eb44f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling toolchain v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "861222e9c9863e59012cce55e012507a1ee0e1fa77dddba9b38833b82eb44f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861222e9c9863e59012cce55e012507a1ee0e1fa77dddba9b38833b82eb44f4f", kill_on_drop: false }`
[INFO] [stdout] 861222e9c9863e59012cce55e012507a1ee0e1fa77dddba9b38833b82eb44f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5b8cf2c9971c84dafd0eca4c93d74030ba9da10ee4eff9ad2e99070425d4bfbd
[INFO] running `Command { std: "docker" "start" "-a" "5b8cf2c9971c84dafd0eca4c93d74030ba9da10ee4eff9ad2e99070425d4bfbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling target-lexicon-macros v0.1.0-alpha.1
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling toolchain v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "5b8cf2c9971c84dafd0eca4c93d74030ba9da10ee4eff9ad2e99070425d4bfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8cf2c9971c84dafd0eca4c93d74030ba9da10ee4eff9ad2e99070425d4bfbd", kill_on_drop: false }`
[INFO] [stdout] 5b8cf2c9971c84dafd0eca4c93d74030ba9da10ee4eff9ad2e99070425d4bfbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2f6b00df691382e838f0b1d0133b7b5f673c32f121206b91a22154af0641025c
[INFO] running `Command { std: "docker" "start" "-a" "2f6b00df691382e838f0b1d0133b7b5f673c32f121206b91a22154af0641025c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toolchain-b4836279e30dc91f)
[INFO] [stdout] 
[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] [stderr]    Doc-tests toolchain
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "2f6b00df691382e838f0b1d0133b7b5f673c32f121206b91a22154af0641025c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6b00df691382e838f0b1d0133b7b5f673c32f121206b91a22154af0641025c", kill_on_drop: false }`
[INFO] [stdout] 2f6b00df691382e838f0b1d0133b7b5f673c32f121206b91a22154af0641025c
