[INFO] updating cached repository https://github.com/uzushino/violet
[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] 9540ca269f0c1abb34c6f61204225827ef1b4536
[INFO] checking uzushino/violet against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fviolet" "/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/uzushino/violet on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/uzushino/violet
[INFO] finished tweaking git repo https://github.com/uzushino/violet
[INFO] tweaked toml for git repo https://github.com/uzushino/violet written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/uzushino/violet already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 5d3707ad330a69d971f5fe9cf18397589ba9d046e1974202e887306ffae65dae
[INFO] running `"docker" "start" "-a" "5d3707ad330a69d971f5fe9cf18397589ba9d046e1974202e887306ffae65dae"`
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking gethostname v0.2.0
[INFO] [stderr]     Checking termion v1.5.3
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[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
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[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]    Compiling copy_dir v0.1.2
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[INFO] [stderr]     Checking actix-codec v0.1.2
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[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling libquickjs-sys v0.3.0
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]     Checking tokio-threadpool v0.1.15
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[INFO] [stderr]    Compiling derive_more v0.15.0
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[INFO] [stderr]     Checking madato v0.5.3
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[INFO] [stderr]     Checking actix-rt v0.2.4
[INFO] [stderr]     Checking actix-connect v0.2.3
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[INFO] [stderr]     Checking actix-server v0.6.0
[INFO] [stderr]     Checking actix-http v0.2.9
[INFO] [stderr]     Checking mdcat v0.13.0
[INFO] [stderr]     Checking quick-js v0.2.2
[INFO] [stderr]     Checking awc v0.2.4
[INFO] [stderr]     Checking actix-web v1.0.7
[INFO] [stderr]     Checking violet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::Markdown`
[INFO] [stderr]    --> src/markdown.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     use super::Markdown;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `up`
[INFO] [stderr]  --> src/cursor.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn up<W>(out: &mut W, n: u64)
[INFO] [stderr]   |        ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `down`
[INFO] [stderr]   --> src/cursor.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn down<W>(out: &mut W, n: u64)
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `horizon`
[INFO] [stderr]   --> src/cursor.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn horizon<W>(out: &mut W, n: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clear_line`
[INFO] [stderr]   --> src/cursor.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn clear_line<W>(out: &mut W)
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:110:33
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   write!(f.stdout, "{}", termion::scroll::Up(1));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:33
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...                   write!(f.stdout, "{}", termion::scroll::Down(1));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `up`
[INFO] [stderr]  --> src/cursor.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn up<W>(out: &mut W, n: u64)
[INFO] [stderr]   |        ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `down`
[INFO] [stderr]   --> src/cursor.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn down<W>(out: &mut W, n: u64)
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `horizon`
[INFO] [stderr]   --> src/cursor.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn horizon<W>(out: &mut W, n: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clear_line`
[INFO] [stderr]   --> src/cursor.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn clear_line<W>(out: &mut W)
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:110:33
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   write!(f.stdout, "{}", termion::scroll::Up(1));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:33
[INFO] [stderr]     |
[INFO] [stderr] 113 | ...                   write!(f.stdout, "{}", termion::scroll::Down(1));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 39s
[INFO] running `"docker" "inspect" "5d3707ad330a69d971f5fe9cf18397589ba9d046e1974202e887306ffae65dae"`
[INFO] running `"docker" "rm" "-f" "5d3707ad330a69d971f5fe9cf18397589ba9d046e1974202e887306ffae65dae"`
[INFO] [stdout] 5d3707ad330a69d971f5fe9cf18397589ba9d046e1974202e887306ffae65dae