[INFO] cloning repository https://github.com/RadicalZephyr/ylq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RadicalZephyr/ylq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Fylq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Fylq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb73429f7d5a5cd06ec10b2211175be8688c3ebb
[INFO] testing RadicalZephyr/ylq against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Fylq" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RadicalZephyr/ylq on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RadicalZephyr/ylq
[INFO] finished tweaking git repo https://github.com/RadicalZephyr/ylq
[INFO] tweaked toml for git repo https://github.com/RadicalZephyr/ylq written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/RadicalZephyr/ylq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.12
[INFO] [stderr]   Downloaded syn v1.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4167366efa7e38ccc16dcc33c1fab6e675fccb3327b6d1e5c3351963e350c258
[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" "4167366efa7e38ccc16dcc33c1fab6e675fccb3327b6d1e5c3351963e350c258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4167366efa7e38ccc16dcc33c1fab6e675fccb3327b6d1e5c3351963e350c258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4167366efa7e38ccc16dcc33c1fab6e675fccb3327b6d1e5c3351963e350c258", kill_on_drop: false }`
[INFO] [stdout] 4167366efa7e38ccc16dcc33c1fab6e675fccb3327b6d1e5c3351963e350c258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5edc11a5f749ec32377559ff6d03e092395d1e183f66a007ebcc494d6e3fa4
[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" "6d5edc11a5f749ec32377559ff6d03e092395d1e183f66a007ebcc494d6e3fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde_yaml v0.8.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling ylq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected attribute arguments in parentheses: #[structopt(...)]
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[structopt]
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ylq`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6d5edc11a5f749ec32377559ff6d03e092395d1e183f66a007ebcc494d6e3fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5edc11a5f749ec32377559ff6d03e092395d1e183f66a007ebcc494d6e3fa4", kill_on_drop: false }`
[INFO] [stdout] 6d5edc11a5f749ec32377559ff6d03e092395d1e183f66a007ebcc494d6e3fa4