[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] f89ebfba7116c29a3fdbcc5ddf6b4f368e59abda
[INFO] checking oberien/pundoc against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Fpundoc" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/pundoc on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-2/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 27a15edfa5098cea5ae90a99913816283ad04405310c979e010de63da6802100
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "27a15edfa5098cea5ae90a99913816283ad04405310c979e010de63da6802100"`
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling openssl v0.10.14
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking string v0.1.1
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[INFO] [stderr]    Compiling encoding_rs v0.8.10
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[INFO] [stderr]     Checking owning_ref v0.3.3
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[INFO] [stderr]     Checking crossbeam-deque v0.6.1
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[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-fs v0.1.3
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[INFO] [stderr]    Compiling isolang v0.2.1
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[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking hyper v0.12.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]     Checking codespan v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
[INFO] [stderr]     Checking single v1.0.0
[INFO] [stderr]     Checking codespan-reporting v0.2.1 (https://github.com/oberien/codespan?rev=dc7b13739165fc58721415ce3120d05cf117ca81#dc7b1373)
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[INFO] [stderr]     Checking serde v1.0.89
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[INFO] [stderr]     Checking heradoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `range`
[INFO] [stderr]    --> src/frontend/mod.rs:635:21
[INFO] [stderr]     |
[INFO] [stderr] 635 |         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:635:21
[INFO] [stderr]     |
[INFO] [stderr] 635 |         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: 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 2m 18s
[INFO] running `"docker" "inspect" "27a15edfa5098cea5ae90a99913816283ad04405310c979e010de63da6802100"`
[INFO] running `"docker" "rm" "-f" "27a15edfa5098cea5ae90a99913816283ad04405310c979e010de63da6802100"`
[INFO] [stdout] 27a15edfa5098cea5ae90a99913816283ad04405310c979e010de63da6802100