[INFO] fetching crate test-sampler 0.1.0...
[INFO] building test-sampler-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate test-sampler 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate test-sampler 0.1.0
[INFO] finished tweaking crates.io crate test-sampler 0.1.0
[INFO] tweaked toml for crates.io crate test-sampler 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test-sampler 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding argmin v0.8.1 (available: v0.10.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0122b2f0bafc5a3d31b8c76e4b261f3450305023a91ebf9de5d49d811ad6b495
[INFO] running `Command { std: "docker" "start" "-a" "0122b2f0bafc5a3d31b8c76e4b261f3450305023a91ebf9de5d49d811ad6b495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0122b2f0bafc5a3d31b8c76e4b261f3450305023a91ebf9de5d49d811ad6b495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0122b2f0bafc5a3d31b8c76e4b261f3450305023a91ebf9de5d49d811ad6b495", kill_on_drop: false }`
[INFO] [stdout] 0122b2f0bafc5a3d31b8c76e4b261f3450305023a91ebf9de5d49d811ad6b495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1610d93ecd49f1c53208e0112e5408de86d67e6ec7d43ed2d398ad5d0cfb27e8
[INFO] running `Command { std: "docker" "start" "-a" "1610d93ecd49f1c53208e0112e5408de86d67e6ec7d43ed2d398ad5d0cfb27e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling is_sorted v0.1.1
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling slog-term v2.9.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling slog-json v2.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling argmin-math v0.3.0
[INFO] [stderr]    Compiling argmin v0.8.1
[INFO] [stderr]    Compiling test-sampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.22s
[INFO] running `Command { std: "docker" "inspect" "1610d93ecd49f1c53208e0112e5408de86d67e6ec7d43ed2d398ad5d0cfb27e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1610d93ecd49f1c53208e0112e5408de86d67e6ec7d43ed2d398ad5d0cfb27e8", kill_on_drop: false }`
[INFO] [stdout] 1610d93ecd49f1c53208e0112e5408de86d67e6ec7d43ed2d398ad5d0cfb27e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da940718460f6956502a77ca573306c488d83abc1085716ba1e786adcfbe019
[INFO] running `Command { std: "docker" "start" "-a" "0da940718460f6956502a77ca573306c488d83abc1085716ba1e786adcfbe019", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-sampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "0da940718460f6956502a77ca573306c488d83abc1085716ba1e786adcfbe019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da940718460f6956502a77ca573306c488d83abc1085716ba1e786adcfbe019", kill_on_drop: false }`
[INFO] [stdout] 0da940718460f6956502a77ca573306c488d83abc1085716ba1e786adcfbe019