[INFO] cloning repository https://github.com/peng1999/trans-csv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peng1999/trans-csv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeng1999%2Ftrans-csv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeng1999%2Ftrans-csv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f13508ec45d89bae4c674d02f4b1e77e1be6128
[INFO] testing peng1999/trans-csv against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeng1999%2Ftrans-csv" "/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/peng1999/trans-csv on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peng1999/trans-csv
[INFO] finished tweaking git repo https://github.com/peng1999/trans-csv
[INFO] tweaked toml for git repo https://github.com/peng1999/trans-csv written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/peng1999/trans-csv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded bindgen v0.35.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8b9e5461f6fc68fb499ef8a1d77dd8c9078f35b0f17e436a7119122e8f9a5d8
[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" "d8b9e5461f6fc68fb499ef8a1d77dd8c9078f35b0f17e436a7119122e8f9a5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b9e5461f6fc68fb499ef8a1d77dd8c9078f35b0f17e436a7119122e8f9a5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b9e5461f6fc68fb499ef8a1d77dd8c9078f35b0f17e436a7119122e8f9a5d8", kill_on_drop: false }`
[INFO] [stdout] d8b9e5461f6fc68fb499ef8a1d77dd8c9078f35b0f17e436a7119122e8f9a5d8
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 15edde1f1d5fcc7fad678e7b784a741efa1c87e76e5df729d6232c05f3d3adfd
[INFO] running `Command { std: "docker" "start" "-a" "15edde1f1d5fcc7fad678e7b784a741efa1c87e76e5df729d6232c05f3d3adfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling bindgen v0.35.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling trans-csv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trans-csv`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "15edde1f1d5fcc7fad678e7b784a741efa1c87e76e5df729d6232c05f3d3adfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15edde1f1d5fcc7fad678e7b784a741efa1c87e76e5df729d6232c05f3d3adfd", kill_on_drop: false }`
[INFO] [stdout] 15edde1f1d5fcc7fad678e7b784a741efa1c87e76e5df729d6232c05f3d3adfd
