[INFO] fetching crate matecito 0.1.6...
[INFO] building matecito-0.1.6 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate matecito 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate matecito 0.1.6
[INFO] finished tweaking crates.io crate matecito 0.1.6
[INFO] tweaked toml for crates.io crate matecito 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matecito 0.1.6 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matecito 0.1.6 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db0e287bab1564c8c5781a47bdfc91d7bcb895ebb8b24ee9779bd1cefd08471
[INFO] running `Command { std: "docker" "start" "-a" "4db0e287bab1564c8c5781a47bdfc91d7bcb895ebb8b24ee9779bd1cefd08471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db0e287bab1564c8c5781a47bdfc91d7bcb895ebb8b24ee9779bd1cefd08471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db0e287bab1564c8c5781a47bdfc91d7bcb895ebb8b24ee9779bd1cefd08471", kill_on_drop: false }`
[INFO] [stdout] 4db0e287bab1564c8c5781a47bdfc91d7bcb895ebb8b24ee9779bd1cefd08471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd8ff16deadf628d252d6b02bb2b6917891cb51db93491547c59f978cb91c54
[INFO] running `Command { std: "docker" "start" "-a" "3dd8ff16deadf628d252d6b02bb2b6917891cb51db93491547c59f978cb91c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling matecito-dll v0.1.0
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling matecito v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "3dd8ff16deadf628d252d6b02bb2b6917891cb51db93491547c59f978cb91c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd8ff16deadf628d252d6b02bb2b6917891cb51db93491547c59f978cb91c54", kill_on_drop: false }`
[INFO] [stdout] 3dd8ff16deadf628d252d6b02bb2b6917891cb51db93491547c59f978cb91c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0911d5640df9500d3f1c1c4798b86ee11e1119f1969a5ef2dd77a5dacfe506ef
[INFO] running `Command { std: "docker" "start" "-a" "0911d5640df9500d3f1c1c4798b86ee11e1119f1969a5ef2dd77a5dacfe506ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling matecito v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "0911d5640df9500d3f1c1c4798b86ee11e1119f1969a5ef2dd77a5dacfe506ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0911d5640df9500d3f1c1c4798b86ee11e1119f1969a5ef2dd77a5dacfe506ef", kill_on_drop: false }`
[INFO] [stdout] 0911d5640df9500d3f1c1c4798b86ee11e1119f1969a5ef2dd77a5dacfe506ef
