[INFO] cloning repository https://github.com/Miniwoffer/mdbook-insigno
[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-insigno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 340658674b6398981b43db5b1a701b6728241a81
[INFO] checking Miniwoffer/mdbook-insigno against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiniwoffer%2Fmdbook-insigno" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Miniwoffer/mdbook-insigno on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Miniwoffer/mdbook-insigno
[INFO] finished tweaking git repo https://github.com/Miniwoffer/mdbook-insigno
[INFO] tweaked toml for git repo https://github.com/Miniwoffer/mdbook-insigno written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Miniwoffer/mdbook-insigno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 1fc91bc3830daaf1da8aee90ac6bdeb94cdf62cd02a0513aa91071458e6e01e6
[INFO] running `Command { std: "docker" "start" "-a" "1fc91bc3830daaf1da8aee90ac6bdeb94cdf62cd02a0513aa91071458e6e01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc91bc3830daaf1da8aee90ac6bdeb94cdf62cd02a0513aa91071458e6e01e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc91bc3830daaf1da8aee90ac6bdeb94cdf62cd02a0513aa91071458e6e01e6", kill_on_drop: false }`
[INFO] [stdout] 1fc91bc3830daaf1da8aee90ac6bdeb94cdf62cd02a0513aa91071458e6e01e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae32c4c9b5f6f57e9a4965b473682c1b2ca7517c31a45e22f01a78df1ebbf9be
[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" "ae32c4c9b5f6f57e9a4965b473682c1b2ca7517c31a45e22f01a78df1ebbf9be", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mime_guess v1.8.8
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
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[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.2
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking mdbook v0.3.7
[INFO] [stderr]     Checking mdbook-insigno v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | 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 imports: `Stderr`, `Write`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Write, Stderr};
[INFO] [stdout]    |               ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chapter`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mdbook::book::{Book,BookItem,Chapter};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mdbook::errors::{Error,Result};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgMatches`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | 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 imports: `Stderr`, `Write`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Write, Stderr};
[INFO] [stdout]    |               ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chapter`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 | use mdbook::book::{Book,BookItem,Chapter};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mdbook::errors::{Error,Result};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uml_cmd`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let uml_cmd = match ctx.config.get("insigno-uml-cmd") {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uml_cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uml_cmd`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let uml_cmd = match ctx.config.get("insigno-uml-cmd") {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uml_cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `renderer`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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-insigno.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut git = Command::new("/usr/bin/git")
[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: `renderer`
[INFO] [stdout]   --> src/bin/mdbook-insigno.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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-insigno.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut git = Command::new("/usr/bin/git")
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mdbook-insigno.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut git = Command::new("/usr/bin/git")
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mdbook-insigno.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut git = Command::new("/root/.dotnet/tools/puml-gen")
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mdbook-insigno.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut git = Command::new("/usr/bin/git")
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/mdbook-insigno.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let mut git = Command::new("/root/.dotnet/tools/puml-gen")
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "ae32c4c9b5f6f57e9a4965b473682c1b2ca7517c31a45e22f01a78df1ebbf9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae32c4c9b5f6f57e9a4965b473682c1b2ca7517c31a45e22f01a78df1ebbf9be", kill_on_drop: false }`
[INFO] [stdout] ae32c4c9b5f6f57e9a4965b473682c1b2ca7517c31a45e22f01a78df1ebbf9be
