[INFO] cloning repository https://github.com/Lolirofle/tabbed_text_to_html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lolirofle/tabbed_text_to_html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Ftabbed_text_to_html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Ftabbed_text_to_html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b7f72cdb1cd3b695e96f56aa06b5dbd061f164
[INFO] testing Lolirofle/tabbed_text_to_html against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLolirofle%2Ftabbed_text_to_html" "/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/Lolirofle/tabbed_text_to_html on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lolirofle/tabbed_text_to_html
[INFO] finished tweaking git repo https://github.com/Lolirofle/tabbed_text_to_html
[INFO] tweaked toml for git repo https://github.com/Lolirofle/tabbed_text_to_html written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lolirofle/tabbed_text_to_html already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d1b6b55f38c7a90fe22a1c913bdfc1aa578107f7e0f8825ea2f37706169d736
[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" "1d1b6b55f38c7a90fe22a1c913bdfc1aa578107f7e0f8825ea2f37706169d736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d1b6b55f38c7a90fe22a1c913bdfc1aa578107f7e0f8825ea2f37706169d736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1b6b55f38c7a90fe22a1c913bdfc1aa578107f7e0f8825ea2f37706169d736", kill_on_drop: false }`
[INFO] [stdout] 1d1b6b55f38c7a90fe22a1c913bdfc1aa578107f7e0f8825ea2f37706169d736
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0c9e7ab95f6a164b262637754b222781c3867a1b219ec35b2a1062d54b1a39
[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" "be0c9e7ab95f6a164b262637754b222781c3867a1b219ec35b2a1062d54b1a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling structopt-derive v0.1.4
[INFO] [stderr]    Compiling structopt v0.1.4
[INFO] [stderr]    Compiling tabbed_text 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(io,plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `Stdin` in the current scope
[INFO] [stdout]   --> src/main.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut chars = input.chars();
[INFO] [stdout]    |                           ^^^^^ method not found in `Stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 `tabbed_text` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "be0c9e7ab95f6a164b262637754b222781c3867a1b219ec35b2a1062d54b1a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0c9e7ab95f6a164b262637754b222781c3867a1b219ec35b2a1062d54b1a39", kill_on_drop: false }`
[INFO] [stdout] be0c9e7ab95f6a164b262637754b222781c3867a1b219ec35b2a1062d54b1a39