[INFO] fetching crate zhang_hilbert 0.1.1...
[INFO] checking zhang_hilbert-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate zhang_hilbert 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate zhang_hilbert 0.1.1
[INFO] finished tweaking crates.io crate zhang_hilbert 0.1.1
[INFO] tweaked toml for crates.io crate zhang_hilbert 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zhang_hilbert 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding ndarray v0.12.1 (available: v0.17.2)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding sdl2 v0.32.2 (available: v0.38.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded num v0.1.43
[INFO] [stderr]   Downloaded array v0.0.1
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a6bdb7a7a69d471275a148ed094b68ed785324f15ebf29c95d2c2236e553fc
[INFO] running `Command { std: "docker" "start" "-a" "02a6bdb7a7a69d471275a148ed094b68ed785324f15ebf29c95d2c2236e553fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a6bdb7a7a69d471275a148ed094b68ed785324f15ebf29c95d2c2236e553fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a6bdb7a7a69d471275a148ed094b68ed785324f15ebf29c95d2c2236e553fc", kill_on_drop: false }`
[INFO] [stdout] 02a6bdb7a7a69d471275a148ed094b68ed785324f15ebf29c95d2c2236e553fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091dad05e632225ad89bc732ffcf18bc7d5d0923d244fead4beed4429e5732d4
[INFO] running `Command { std: "docker" "start" "-a" "091dad05e632225ad89bc732ffcf18bc7d5d0923d244fead4beed4429e5732d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking array v0.0.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking zhang_hilbert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `array::Array2`
[INFO] [stdout]  --> src/core.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use array::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zhang_hilbert` (bench "bench") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `array::Array2`
[INFO] [stdout]  --> src/core.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use array::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "091dad05e632225ad89bc732ffcf18bc7d5d0923d244fead4beed4429e5732d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091dad05e632225ad89bc732ffcf18bc7d5d0923d244fead4beed4429e5732d4", kill_on_drop: false }`
[INFO] [stdout] 091dad05e632225ad89bc732ffcf18bc7d5d0923d244fead4beed4429e5732d4
