[INFO] cloning repository https://github.com/wyhhh/md_engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wyhhh/md_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd08a9a8227021f6aef49cfd21d94bf22129f444 [INFO] testing wyhhh/md_engine against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine" "/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/wyhhh/md_engine on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wyhhh/md_engine [INFO] finished tweaking git repo https://github.com/wyhhh/md_engine [INFO] tweaked toml for git repo https://github.com/wyhhh/md_engine written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/wyhhh/md_engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ead57ceb751f8dc42e092ddc0fd81700fdff58c19a461f028675659af2e5910 [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" "2ead57ceb751f8dc42e092ddc0fd81700fdff58c19a461f028675659af2e5910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ead57ceb751f8dc42e092ddc0fd81700fdff58c19a461f028675659af2e5910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ead57ceb751f8dc42e092ddc0fd81700fdff58c19a461f028675659af2e5910", kill_on_drop: false }` [INFO] [stdout] 2ead57ceb751f8dc42e092ddc0fd81700fdff58c19a461f028675659af2e5910 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a106488b455c1507ff88c16c492b8919af453afc84761fc45ec7b40a826f895f [INFO] running `Command { std: "docker" "start" "-a" "a106488b455c1507ff88c16c492b8919af453afc84761fc45ec7b40a826f895f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling chr v0.1.0 (/opt/rustwide/workdir/chr) [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling enum_len v0.1.0 (/opt/rustwide/workdir/enum_len) [INFO] [stderr] Compiling md_engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `tag` [INFO] [stdout] --> src/parser.rs:181:44 [INFO] [stdout] | [INFO] [stdout] 181 | ... Token::Tag(tag) => unreachable!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char_len` [INFO] [stdout] --> src/parser.rs:182:57 [INFO] [stdout] | [INFO] [stdout] 182 | ... Token::PureText { data, char_len } => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `char_len: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char_len` [INFO] [stdout] --> src/parser.rs:204:57 [INFO] [stdout] | [INFO] [stdout] 204 | ... Token::PureText { data, char_len } => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `char_len: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char_len` [INFO] [stdout] --> src/parser.rs:224:57 [INFO] [stdout] | [INFO] [stdout] 224 | ... Token::PureText { data, char_len } => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `char_len: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tokenizer.rs:320:31 [INFO] [stdout] | [INFO] [stdout] 320 | Token::PureText { data, char_len } => char_len, [INFO] [stdout] | ^^^^ help: try ignoring the field: `data: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | fn new>(msg: S, line_num: u32, column_num: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `md_engine` due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a106488b455c1507ff88c16c492b8919af453afc84761fc45ec7b40a826f895f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a106488b455c1507ff88c16c492b8919af453afc84761fc45ec7b40a826f895f", kill_on_drop: false }` [INFO] [stdout] a106488b455c1507ff88c16c492b8919af453afc84761fc45ec7b40a826f895f