[INFO] fetching crate std-next 0.1.9...
[INFO] building std-next-0.1.9 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate std-next 0.1.9 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate std-next 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate std-next 0.1.9
[INFO] tweaked toml for crates.io crate std-next 0.1.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate std-next 0.1.9 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate std-next 0.1.9 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89acda72bb56f696293d195f5e149577bba30d1bfdd70bbb3f02361bd44fc7d0
[INFO] running `Command { std: "docker" "start" "-a" "89acda72bb56f696293d195f5e149577bba30d1bfdd70bbb3f02361bd44fc7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89acda72bb56f696293d195f5e149577bba30d1bfdd70bbb3f02361bd44fc7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89acda72bb56f696293d195f5e149577bba30d1bfdd70bbb3f02361bd44fc7d0", kill_on_drop: false }`
[INFO] [stdout] 89acda72bb56f696293d195f5e149577bba30d1bfdd70bbb3f02361bd44fc7d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a81c9a47463cbc8a5021b6d71db99bbdd241752fbdc3a18b78e2c8aa723b06
[INFO] running `Command { std: "docker" "start" "-a" "60a81c9a47463cbc8a5021b6d71db99bbdd241752fbdc3a18b78e2c8aa723b06", kill_on_drop: false }`
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling std-next v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "60a81c9a47463cbc8a5021b6d71db99bbdd241752fbdc3a18b78e2c8aa723b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a81c9a47463cbc8a5021b6d71db99bbdd241752fbdc3a18b78e2c8aa723b06", kill_on_drop: false }`
[INFO] [stdout] 60a81c9a47463cbc8a5021b6d71db99bbdd241752fbdc3a18b78e2c8aa723b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef93fb4df3c5bce650e4447ced86a59715afffaa36aa11cdfc38cb74e74f461f
[INFO] running `Command { std: "docker" "start" "-a" "ef93fb4df3c5bce650e4447ced86a59715afffaa36aa11cdfc38cb74e74f461f", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-next v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ef93fb4df3c5bce650e4447ced86a59715afffaa36aa11cdfc38cb74e74f461f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef93fb4df3c5bce650e4447ced86a59715afffaa36aa11cdfc38cb74e74f461f", kill_on_drop: false }`
[INFO] [stdout] ef93fb4df3c5bce650e4447ced86a59715afffaa36aa11cdfc38cb74e74f461f