[INFO] fetching crate namaste 0.30.0...
[INFO] building namaste-0.30.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate namaste 0.30.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate namaste 0.30.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate namaste 0.30.0
[INFO] tweaked toml for crates.io crate namaste 0.30.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate namaste 0.30.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate namaste 0.30.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 441ea03f4d7071c25315fb1d929ae1a4ea3ea3768b797dd19550600b8b119caf
[INFO] running `Command { std: "docker" "start" "-a" "441ea03f4d7071c25315fb1d929ae1a4ea3ea3768b797dd19550600b8b119caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441ea03f4d7071c25315fb1d929ae1a4ea3ea3768b797dd19550600b8b119caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441ea03f4d7071c25315fb1d929ae1a4ea3ea3768b797dd19550600b8b119caf", kill_on_drop: false }`
[INFO] [stdout] 441ea03f4d7071c25315fb1d929ae1a4ea3ea3768b797dd19550600b8b119caf
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17768e7dbfbd2c93148ec462c1162a2b8d2e70d0553e517986c3793c141b0bce
[INFO] running `Command { std: "docker" "start" "-a" "17768e7dbfbd2c93148ec462c1162a2b8d2e70d0553e517986c3793c141b0bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling namaste v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "17768e7dbfbd2c93148ec462c1162a2b8d2e70d0553e517986c3793c141b0bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17768e7dbfbd2c93148ec462c1162a2b8d2e70d0553e517986c3793c141b0bce", kill_on_drop: false }`
[INFO] [stdout] 17768e7dbfbd2c93148ec462c1162a2b8d2e70d0553e517986c3793c141b0bce
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29965aebcf25cf04b8f7f1c4c68e8e97e22d1afff00355131af6c5c1be41bf80
[INFO] running `Command { std: "docker" "start" "-a" "29965aebcf25cf04b8f7f1c4c68e8e97e22d1afff00355131af6c5c1be41bf80", kill_on_drop: false }`
[INFO] [stderr]    Compiling dia-args v0.61.0
[INFO] [stderr]    Compiling blackhole v0.20.2
[INFO] [stderr]    Compiling zeros v19.0.0
[INFO] [stderr]    Compiling cld v0.5.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling dia-time v9.0.0
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zeros-19.0.0/src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(bigint_helper_methods)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zeros` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "29965aebcf25cf04b8f7f1c4c68e8e97e22d1afff00355131af6c5c1be41bf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29965aebcf25cf04b8f7f1c4c68e8e97e22d1afff00355131af6c5c1be41bf80", kill_on_drop: false }`
[INFO] [stdout] 29965aebcf25cf04b8f7f1c4c68e8e97e22d1afff00355131af6c5c1be41bf80