[INFO] cloning repository https://github.com/leomwilson/bfrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leomwilson/bfrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomwilson%2Fbfrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomwilson%2Fbfrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c038e657c383413aff1643d548a24ba4ed08eab
[INFO] testing leomwilson/bfrs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleomwilson%2Fbfrs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leomwilson/bfrs 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/leomwilson/bfrs
[INFO] finished tweaking git repo https://github.com/leomwilson/bfrs
[INFO] tweaked toml for git repo https://github.com/leomwilson/bfrs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/leomwilson/bfrs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c7ff11be25cbfd87c21fcb7ab78e958f3bd127a4547ba014b902e5b7780b856
[INFO] running `Command { std: "docker" "start" "-a" "4c7ff11be25cbfd87c21fcb7ab78e958f3bd127a4547ba014b902e5b7780b856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7ff11be25cbfd87c21fcb7ab78e958f3bd127a4547ba014b902e5b7780b856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7ff11be25cbfd87c21fcb7ab78e958f3bd127a4547ba014b902e5b7780b856", kill_on_drop: false }`
[INFO] [stdout] 4c7ff11be25cbfd87c21fcb7ab78e958f3bd127a4547ba014b902e5b7780b856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a382259bf7e061bebedbcf56deef27ac7d499c01c68784577b14e2cfd7291de
[INFO] running `Command { std: "docker" "start" "-a" "7a382259bf7e061bebedbcf56deef27ac7d499c01c68784577b14e2cfd7291de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bfrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `0`
[INFO] [stdout]   --> src/main.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut l: Vec<usize> = Vec::0;
[INFO] [stdout]    |                                      ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfrs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a382259bf7e061bebedbcf56deef27ac7d499c01c68784577b14e2cfd7291de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a382259bf7e061bebedbcf56deef27ac7d499c01c68784577b14e2cfd7291de", kill_on_drop: false }`
[INFO] [stdout] 7a382259bf7e061bebedbcf56deef27ac7d499c01c68784577b14e2cfd7291de