[INFO] updating cached repository https://github.com/oberien/pundoc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c6229f6ce58ab95a35d2d396aca270c6049ac13
[INFO] checking oberien/pundoc against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Fpundoc" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/pundoc on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oberien/pundoc
[INFO] finished tweaking git repo https://github.com/oberien/pundoc
[INFO] tweaked toml for git repo https://github.com/oberien/pundoc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/oberien/pundoc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 348ba93043fb862c7b70365c677c8e828acf2205116b37d2c2e2fae230120b3a
[INFO] running `"docker" "start" "-a" "348ba93043fb862c7b70365c677c8e828acf2205116b37d2c2e2fae230120b3a"`
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling pangocairo v0.8.0
[INFO] [stderr]    Compiling lexical-core v0.7.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking str-concat v0.1.4
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling pangocairo-sys v0.10.1
[INFO] [stderr]    Compiling rsvg_internals v0.0.1 (https://gitlab.gnome.org/GNOME/librsvg?rev=6ecab568#6ecab568)
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling isolang v0.2.1
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking codespan v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
[INFO] [stderr]     Checking single v1.0.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking codespan-reporting v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking lexical v5.0.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking librsvg v2.47.2 (https://gitlab.gnome.org/GNOME/librsvg?rev=6ecab568#6ecab568)
[INFO] [stderr]     Checking heradoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]    --> src/frontend/mod.rs:637:21
[INFO] [stderr]     |
[INFO] [stderr] 637 |         if let Some(range) = inline_range {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_range`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:5:9
[INFO] [stderr]     |
[INFO] [stderr] 5   | #![warn(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]    --> src/frontend/mod.rs:637:21
[INFO] [stderr]     |
[INFO] [stderr] 637 |         if let Some(range) = inline_range {
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_range`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:5:9
[INFO] [stderr]     |
[INFO] [stderr] 5   | #![warn(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/latex/document/beamer.rs:147:46
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn gen_preamble(&mut self, cfg: &Config, mut out: &mut impl Write, _diagnostics: &Diagnostics<'a>) -> FatalResult<()> {
[INFO] [stderr]     |                                              ----^^^
[INFO] [stderr]     |                                              |
[INFO] [stderr]     |                                              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:5:9
[INFO] [stderr]     |
[INFO] [stderr] 5   | #![warn(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/latex/document/beamer.rs:147:46
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn gen_preamble(&mut self, cfg: &Config, mut out: &mut impl Write, _diagnostics: &Diagnostics<'a>) -> FatalResult<()> {
[INFO] [stderr]     |                                              ----^^^
[INFO] [stderr]     |                                              |
[INFO] [stderr]     |                                              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/main.rs:5:9
[INFO] [stderr]     |
[INFO] [stderr] 5   | #![warn(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalCompilerError`
[INFO] [stderr]   --> src/error.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     InternalCompilerError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![warn(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalCompilerError`
[INFO] [stderr]   --> src/error.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     InternalCompilerError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![warn(unused)]
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `"docker" "inspect" "348ba93043fb862c7b70365c677c8e828acf2205116b37d2c2e2fae230120b3a"`
[INFO] running `"docker" "rm" "-f" "348ba93043fb862c7b70365c677c8e828acf2205116b37d2c2e2fae230120b3a"`
[INFO] [stdout] 348ba93043fb862c7b70365c677c8e828acf2205116b37d2c2e2fae230120b3a