[INFO] cloning repository https://github.com/joerez/rust-markdown-renderer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joerez/rust-markdown-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoerez%2Frust-markdown-renderer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoerez%2Frust-markdown-renderer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b853c2ee0d3efc835f49fa5f4f5dcedaad979973 [INFO] checking joerez/rust-markdown-renderer against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoerez%2Frust-markdown-renderer" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joerez/rust-markdown-renderer on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joerez/rust-markdown-renderer [INFO] finished tweaking git repo https://github.com/joerez/rust-markdown-renderer [INFO] tweaked toml for git repo https://github.com/joerez/rust-markdown-renderer written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/joerez/rust-markdown-renderer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4a25f6e160624bb8ba91d923b01fcc37eaed2375694d04c7bb9d536017962f60 [INFO] running `Command { std: "docker" "start" "-a" "4a25f6e160624bb8ba91d923b01fcc37eaed2375694d04c7bb9d536017962f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a25f6e160624bb8ba91d923b01fcc37eaed2375694d04c7bb9d536017962f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a25f6e160624bb8ba91d923b01fcc37eaed2375694d04c7bb9d536017962f60", kill_on_drop: false }` [INFO] [stdout] 4a25f6e160624bb8ba91d923b01fcc37eaed2375694d04c7bb9d536017962f60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 458a4ef556325edd4531d8e45c5a0e2b86309d56e100f4080d0854715b9e2fc5 [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" "458a4ef556325edd4531d8e45c5a0e2b86309d56e100f4080d0854715b9e2fc5", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling literalext v0.1.1 [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling maud_htmlescape v0.17.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Compiling maud_macros v0.20.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking maud v0.20.0 [INFO] [stderr] Checking markdown-renderer-that-you-probably-shouldnt-use v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | create_file("test_two".to_string(), res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | create_file("test_two".to_string(), res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.04s [INFO] running `Command { std: "docker" "inspect" "458a4ef556325edd4531d8e45c5a0e2b86309d56e100f4080d0854715b9e2fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458a4ef556325edd4531d8e45c5a0e2b86309d56e100f4080d0854715b9e2fc5", kill_on_drop: false }` [INFO] [stdout] 458a4ef556325edd4531d8e45c5a0e2b86309d56e100f4080d0854715b9e2fc5