[INFO] cloning repository https://github.com/Miniwoffer/mdbook-dot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Miniwoffer/mdbook-dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e7cf6e29993aa699ffcf60659acd6f62009f561 [INFO] checking Miniwoffer/mdbook-dot against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-dot" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Miniwoffer/mdbook-dot on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Miniwoffer/mdbook-dot [INFO] finished tweaking git repo https://github.com/Miniwoffer/mdbook-dot [INFO] tweaked toml for git repo https://github.com/Miniwoffer/mdbook-dot written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Miniwoffer/mdbook-dot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] f82e365b7c931f7f17922d2655b018112896c99b40cc13fd4d82b5baefc5b81a [INFO] running `Command { std: "docker" "start" "-a" "f82e365b7c931f7f17922d2655b018112896c99b40cc13fd4d82b5baefc5b81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f82e365b7c931f7f17922d2655b018112896c99b40cc13fd4d82b5baefc5b81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f82e365b7c931f7f17922d2655b018112896c99b40cc13fd4d82b5baefc5b81a", kill_on_drop: false }` [INFO] [stdout] f82e365b7c931f7f17922d2655b018112896c99b40cc13fd4d82b5baefc5b81a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 5a0b8b6d1e09bbbcb2f82be5b890f04720c58c4a38fbc5f8ecdee38d9b0e4734 [INFO] running `Command { std: "docker" "start" "-a" "5a0b8b6d1e09bbbcb2f82be5b890f04720c58c4a38fbc5f8ecdee38d9b0e4734", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Checking utf-8 v0.7.4 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking sequence_trie v0.3.6 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking strum v0.9.0 [INFO] [stderr] Checking is-match v0.1.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Checking open v1.2.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking filetime v0.2.2 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking walkdir v2.2.6 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking new_debug_unreachable v1.0.1 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking tempfile v3.0.4 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking tendril v0.4.0 [INFO] [stderr] Compiling syn v0.15.18 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Compiling pest_meta v2.0.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking hyper v0.10.15 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling mime_guess v1.8.6 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking regex v1.0.6 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking notify v4.0.6 [INFO] [stderr] Compiling pest_generator v2.0.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling strum_macros v0.9.1 [INFO] [stderr] Checking iron v0.6.0 [INFO] [stderr] Checking mount v0.4.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Compiling pest_derive v2.0.1 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking toml v0.4.8 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking toml-query v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling html5ever v0.22.5 [INFO] [stderr] Compiling markup5ever v0.7.3 [INFO] [stderr] Checking elasticlunr-rs v2.3.3 [INFO] [stderr] Checking ammonia v1.2.0 [INFO] [stderr] Checking mdbook v0.2.3 [INFO] [stderr] Checking mdbook-dot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ArgMatches` [INFO] [stdout] --> src/bin/mdbook-dot.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{App, Arg, ArgMatches, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/bin/mdbook-dot.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Chapter` [INFO] [stdout] --> src/bin/mdbook-dot.rs:14:34 [INFO] [stdout] | [INFO] [stdout] 14 | use mdbook::book::{Book,BookItem,Chapter}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArgMatches` [INFO] [stdout] --> src/bin/mdbook-dot.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{App, Arg, ArgMatches, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/bin/mdbook-dot.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Chapter` [INFO] [stdout] --> src/bin/mdbook-dot.rs:14:34 [INFO] [stdout] | [INFO] [stdout] 14 | use mdbook::book::{Book,BookItem,Chapter}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sub_args` [INFO] [stdout] --> src/bin/mdbook-dot.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | if let Some(sub_args) = matches.subcommand_matches("supports") { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `front` [INFO] [stdout] --> src/bin/mdbook-dot.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | ... let (front,back) = chapter.content.split_at(start); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_front` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_replaced_items` [INFO] [stdout] --> src/bin/mdbook-dot.rs:68:29 [INFO] [stdout] | [INFO] [stdout] 68 | fn process <'a,I>(items: I, num_replaced_items: &mut usize) -> Result<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_replaced_items` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/bin/mdbook-dot.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | fn dot_to_image(input : String,path : String) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `renderer` [INFO] [stdout] --> src/bin/mdbook-dot.rs:64:33 [INFO] [stdout] | [INFO] [stdout] 64 | fn supports_renderer(&self, renderer: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_renderer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/mdbook-dot.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let mut stdin = dot.stdin.as_mut().expect("Failed to open stdin"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sub_args` [INFO] [stdout] --> src/bin/mdbook-dot.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | if let Some(sub_args) = matches.subcommand_matches("supports") { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `front` [INFO] [stdout] --> src/bin/mdbook-dot.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | ... let (front,back) = chapter.content.split_at(start); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_front` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_replaced_items` [INFO] [stdout] --> src/bin/mdbook-dot.rs:68:29 [INFO] [stdout] | [INFO] [stdout] 68 | fn process <'a,I>(items: I, num_replaced_items: &mut usize) -> Result<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_replaced_items` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/bin/mdbook-dot.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | fn dot_to_image(input : String,path : String) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `renderer` [INFO] [stdout] --> src/bin/mdbook-dot.rs:64:33 [INFO] [stdout] | [INFO] [stdout] 64 | fn supports_renderer(&self, renderer: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_renderer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/mdbook-dot.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let mut stdin = dot.stdin.as_mut().expect("Failed to open stdin"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/mdbook-dot.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | serde_json::to_writer(io::stdout(), &processed_book); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/mdbook-dot.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | process(&mut book.sections, &mut num_replaced_items); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/mdbook-dot.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | serde_json::to_writer(io::stdout(), &processed_book); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/mdbook-dot.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | process(&mut book.sections, &mut num_replaced_items); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 37s [INFO] running `Command { std: "docker" "inspect" "5a0b8b6d1e09bbbcb2f82be5b890f04720c58c4a38fbc5f8ecdee38d9b0e4734", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0b8b6d1e09bbbcb2f82be5b890f04720c58c4a38fbc5f8ecdee38d9b0e4734", kill_on_drop: false }` [INFO] [stdout] 5a0b8b6d1e09bbbcb2f82be5b890f04720c58c4a38fbc5f8ecdee38d9b0e4734