[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] [stderr] From https://github.com/oberien/pundoc
[INFO] [stderr]  + a741806...3e60702 acmart     -> acmart  (forced update)
[INFO] [stderr]    2c6229f..2a36ac4  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a36ac42ea08dbbf90517a101e0658d453313679
[INFO] checking oberien/pundoc against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Fpundoc" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/pundoc on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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-1/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 15a6b40eb9dbf7e5bb5fceb17f969bd6c7bda47b5c395e5a84d2b30139004ced
[INFO] running `"docker" "start" "-a" "15a6b40eb9dbf7e5bb5fceb17f969bd6c7bda47b5c395e5a84d2b30139004ced"`
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
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[INFO] [stderr]    Compiling lexical-core v0.7.0
[INFO] [stderr]     Checking once_cell v1.3.1
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[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gio-sys v0.9.1
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[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking data-url v0.1.0
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[INFO] [stderr]    Compiling serde_derive v1.0.104
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[INFO] [stderr]    Compiling cssparser v0.27.2
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking lexical v5.0.0
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[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
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[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]    Compiling isolang v0.2.1
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[INFO] [stderr]     Checking tokio-tcp v0.1.3
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[INFO] [stderr]     Checking codespan v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
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[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking codespan-reporting v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
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[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
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[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: the lint level is 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: the lint level is 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: the lint level is 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: the lint level is 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: the lint level is 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: the lint level is 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 4m 46s
[INFO] running `"docker" "inspect" "15a6b40eb9dbf7e5bb5fceb17f969bd6c7bda47b5c395e5a84d2b30139004ced"`
[INFO] running `"docker" "rm" "-f" "15a6b40eb9dbf7e5bb5fceb17f969bd6c7bda47b5c395e5a84d2b30139004ced"`
[INFO] [stdout] 15a6b40eb9dbf7e5bb5fceb17f969bd6c7bda47b5c395e5a84d2b30139004ced