[INFO] cloning repository https://github.com/sbag13/bch_coder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbag13/bch_coder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbag13%2Fbch_coder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbag13%2Fbch_coder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f114b8b45d7dc6d8ca305c22854106052c1d475a
[INFO] testing sbag13/bch_coder against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbag13%2Fbch_coder" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbag13/bch_coder on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbag13/bch_coder
[INFO] finished tweaking git repo https://github.com/sbag13/bch_coder
[INFO] tweaked toml for git repo https://github.com/sbag13/bch_coder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sbag13/bch_coder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bded4fb9c450bbf9c8329c86736c6432a061c0f305ba07587dc26ff9c53c0d32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bded4fb9c450bbf9c8329c86736c6432a061c0f305ba07587dc26ff9c53c0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bded4fb9c450bbf9c8329c86736c6432a061c0f305ba07587dc26ff9c53c0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bded4fb9c450bbf9c8329c86736c6432a061c0f305ba07587dc26ff9c53c0d32", kill_on_drop: false }`
[INFO] [stdout] bded4fb9c450bbf9c8329c86736c6432a061c0f305ba07587dc26ff9c53c0d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590abc9fdb77ea6cfb36d4b443e6595ba138bb944985ffe6111ae61a0d9720a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "590abc9fdb77ea6cfb36d4b443e6595ba138bb944985ffe6111ae61a0d9720a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec v0.9.0
[INFO] [stderr]    Compiling primes v0.2.3
[INFO] [stderr]    Compiling rand_jitter v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_resize_default)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimeSet`, `is_prime`
[INFO] [stdout]  --> src/common.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use primes::{is_prime, PrimeSet};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resize_default` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/berlekamp_decoder.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |         min_pols.resize_default(n as usize);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ method not found in `Vec<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bch`
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "590abc9fdb77ea6cfb36d4b443e6595ba138bb944985ffe6111ae61a0d9720a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590abc9fdb77ea6cfb36d4b443e6595ba138bb944985ffe6111ae61a0d9720a2", kill_on_drop: false }`
[INFO] [stdout] 590abc9fdb77ea6cfb36d4b443e6595ba138bb944985ffe6111ae61a0d9720a2