[INFO] fetching crate md_render_lib 0.1.0...
[INFO] checking md_render_lib-0.1.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate md_render_lib 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate md_render_lib 0.1.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md_render_lib 0.1.0
[INFO] finished tweaking crates.io crate md_render_lib 0.1.0
[INFO] tweaked toml for crates.io crate md_render_lib 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ddbe4d37be1542d95da2e05bda3fb43ef1a60d614baff833b2ffcde8da5c75
[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" "c5ddbe4d37be1542d95da2e05bda3fb43ef1a60d614baff833b2ffcde8da5c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ddbe4d37be1542d95da2e05bda3fb43ef1a60d614baff833b2ffcde8da5c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ddbe4d37be1542d95da2e05bda3fb43ef1a60d614baff833b2ffcde8da5c75", kill_on_drop: false }`
[INFO] [stdout] c5ddbe4d37be1542d95da2e05bda3fb43ef1a60d614baff833b2ffcde8da5c75
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5edc84f262a80f0d5dcf5084bf74489b5684975d594f047cf0b83421bc3c95d6
[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" "5edc84f262a80f0d5dcf5084bf74489b5684975d594f047cf0b83421bc3c95d6", kill_on_drop: false }`
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[INFO] [stderr]     Checking md_render_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `dump_events`
[INFO] [stdout]   --> src/handler.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn dump_events<'a, W, I>(writer: &mut W, events: I) -> Result<(), Error>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LocalOnly`
[INFO] [stdout]   --> src/resources.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LocalOnly,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/terminal/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `none`
[INFO] [stdout]   --> src/terminal/mod.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn none() -> TerminalCapabilities {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `md_render_lib`
[INFO] [stdout]  --> tests/simple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use md_render_lib;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mdcat`
[INFO] [stdout]   --> tests/formatting.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let size = mdcat::TerminalSize::default();
[INFO] [stdout]    |                    ^^^^^ use of undeclared crate or module `mdcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mdcat`
[INFO] [stdout]   --> tests/formatting.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         mdcat::push_tty(
[INFO] [stdout]    |         ^^^^^ use of undeclared crate or module `mdcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mdcat`
[INFO] [stdout]   --> tests/formatting.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |             &mdcat::TerminalCapabilities::ansi(),
[INFO] [stdout]    |              ^^^^^ use of undeclared crate or module `mdcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mdcat`
[INFO] [stdout]   --> tests/formatting.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             mdcat::ResourceAccess::LocalOnly,
[INFO] [stdout]    |             ^^^^^ use of undeclared crate or module `mdcat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_render_lib`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5edc84f262a80f0d5dcf5084bf74489b5684975d594f047cf0b83421bc3c95d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edc84f262a80f0d5dcf5084bf74489b5684975d594f047cf0b83421bc3c95d6", kill_on_drop: false }`
[INFO] [stdout] 5edc84f262a80f0d5dcf5084bf74489b5684975d594f047cf0b83421bc3c95d6