[INFO] fetching crate nes 0.1.1...
[INFO] testing nes-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nes 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nes 0.1.1 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 crates.io crate nes 0.1.1
[INFO] finished tweaking crates.io crate nes 0.1.1
[INFO] tweaked toml for crates.io crate nes 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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] 9e816dfe9f1a0e04803598f10b164a0cfb65161dd4e77bd4bb0d0fdba0c19173
[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" "9e816dfe9f1a0e04803598f10b164a0cfb65161dd4e77bd4bb0d0fdba0c19173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e816dfe9f1a0e04803598f10b164a0cfb65161dd4e77bd4bb0d0fdba0c19173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e816dfe9f1a0e04803598f10b164a0cfb65161dd4e77bd4bb0d0fdba0c19173", kill_on_drop: false }`
[INFO] [stdout] 9e816dfe9f1a0e04803598f10b164a0cfb65161dd4e77bd4bb0d0fdba0c19173
[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] 9225e5a10f337572e31628a5a7733fd23a5763c00c6d6ca688ffc3e99a73b065
[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" "9225e5a10f337572e31628a5a7733fd23a5763c00c6d6ca688ffc3e99a73b065", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate matcher binding
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |     ( $rw:expr, $rw:path, $( $arg:expr ),* ) => {
[INFO] [stdout]     |       --------  ^^^^^^^^ duplicate binding
[INFO] [stdout]     |       |
[INFO] [stdout]     |       previous binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate matcher binding
[INFO] [stdout]    --> src/lib.rs:533:17
[INFO] [stdout]     |
[INFO] [stdout] 533 |     ( $rw:expr, $rw:path, $( $arg:expr ),* ) => {
[INFO] [stdout]     |       --------  ^^^^^^^^ duplicate binding
[INFO] [stdout]     |       |
[INFO] [stdout]     |       previous binding
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nes`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9225e5a10f337572e31628a5a7733fd23a5763c00c6d6ca688ffc3e99a73b065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9225e5a10f337572e31628a5a7733fd23a5763c00c6d6ca688ffc3e99a73b065", kill_on_drop: false }`
[INFO] [stdout] 9225e5a10f337572e31628a5a7733fd23a5763c00c6d6ca688ffc3e99a73b065