[INFO] cloning repository https://github.com/Geal/generator_nom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geal/generator_nom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgenerator_nom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgenerator_nom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7ac3c969ea2ec78bb5b735c2611959b2baaef0e
[INFO] testing Geal/generator_nom against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgenerator_nom" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geal/generator_nom on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Geal/generator_nom
[INFO] finished tweaking git repo https://github.com/Geal/generator_nom
[INFO] tweaked toml for git repo https://github.com/Geal/generator_nom written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Geal/generator_nom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sozu-proxy/circular`
[INFO] [stderr]     Updating git repository `https://github.com/rust-av/flavors`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded nom v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f27d878697ba7834794acb886a64888eb89d58bd62a84916f6df7186f4ef6db
[INFO] running `Command { std: "docker" "start" "-a" "3f27d878697ba7834794acb886a64888eb89d58bd62a84916f6df7186f4ef6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f27d878697ba7834794acb886a64888eb89d58bd62a84916f6df7186f4ef6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f27d878697ba7834794acb886a64888eb89d58bd62a84916f6df7186f4ef6db", kill_on_drop: false }`
[INFO] [stdout] 3f27d878697ba7834794acb886a64888eb89d58bd62a84916f6df7186f4ef6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f20e857df36da8bbc31f819f7326c5e598d5c9fbb82cc777356ac664e6a588
[INFO] running `Command { std: "docker" "start" "-a" "86f20e857df36da8bbc31f819f7326c5e598d5c9fbb82cc777356ac664e6a588", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling circular v0.2.0 (https://github.com/sozu-proxy/circular#3f4a7b6c)
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling nom v3.2.0
[INFO] [stderr]    Compiling flavors v0.2.0 (https://github.com/rust-av/flavors#a210b120)
[INFO] [stderr]    Compiling generator_nom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for generator `[generator@src/main.rs:71:23: 159:4]` in the current scope
[INFO] [stdout]    --> src/main.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 162 |     match generator.resume() {
[INFO] [stdout]     |                     ^^^^^^ method not found in `[generator@src/main.rs:71:23: 159:4]`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 162 |     match Pin::new(&mut generator).resume() {
[INFO] [stdout]     |           +++++++++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Generator`
[INFO] [stdout]   --> src/main.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator_nom` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "86f20e857df36da8bbc31f819f7326c5e598d5c9fbb82cc777356ac664e6a588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f20e857df36da8bbc31f819f7326c5e598d5c9fbb82cc777356ac664e6a588", kill_on_drop: false }`
[INFO] [stdout] 86f20e857df36da8bbc31f819f7326c5e598d5c9fbb82cc777356ac664e6a588