[INFO] cloning repository https://github.com/EtomicBomb/ethan_ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EtomicBomb/ethan_ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEtomicBomb%2Fethan_ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEtomicBomb%2Fethan_ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fa01ccd0a91e6c1356dd7fd3ef63ed5485ad6ec
[INFO] testing EtomicBomb/ethan_ws against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEtomicBomb%2Fethan_ws" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EtomicBomb/ethan_ws on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-36/source/.cargo/config
[INFO] started tweaking git repo https://github.com/EtomicBomb/ethan_ws
[INFO] finished tweaking git repo https://github.com/EtomicBomb/ethan_ws
[INFO] tweaked toml for git repo https://github.com/EtomicBomb/ethan_ws written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/EtomicBomb/ethan_ws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d677059bcb4ce8a516bae941561142e4675b11f02cbec5fed25474ad5d50fd87
[INFO] running `Command { std: "docker" "start" "-a" "d677059bcb4ce8a516bae941561142e4675b11f02cbec5fed25474ad5d50fd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d677059bcb4ce8a516bae941561142e4675b11f02cbec5fed25474ad5d50fd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d677059bcb4ce8a516bae941561142e4675b11f02cbec5fed25474ad5d50fd87", kill_on_drop: false }`
[INFO] [stdout] d677059bcb4ce8a516bae941561142e4675b11f02cbec5fed25474ad5d50fd87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d667af8638373b756dd444fd037d4db1ec87ccb06cf493fcd16b7f99aabdfdb
[INFO] running `Command { std: "docker" "start" "-a" "1d667af8638373b756dd444fd037d4db1ec87ccb06cf493fcd16b7f99aabdfdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling json v0.1.0 (/opt/rustwide/workdir/json)
[INFO] [stderr]    Compiling web_socket v0.1.0 (/opt/rustwide/workdir/web_socket)
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling http v0.1.0 (/opt/rustwide/workdir/http)
[INFO] [stderr]    Compiling lisp v0.1.0 (/opt/rustwide/workdir/lisp)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]   --> server/src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::option::NoneError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> server/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait, vec_remove_item, is_sorted)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d667af8638373b756dd444fd037d4db1ec87ccb06cf493fcd16b7f99aabdfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d667af8638373b756dd444fd037d4db1ec87ccb06cf493fcd16b7f99aabdfdb", kill_on_drop: false }`
[INFO] [stdout] 1d667af8638373b756dd444fd037d4db1ec87ccb06cf493fcd16b7f99aabdfdb
