[INFO] fetching crate pretty_rdf 0.1.0...
[INFO] checking pretty_rdf-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate pretty_rdf 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pretty_rdf 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty_rdf 0.1.0
[INFO] finished tweaking crates.io crate pretty_rdf 0.1.0
[INFO] tweaked toml for crates.io crate pretty_rdf 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 541c01610f69c23771bd3b25b17cd484b8c5ec9e9f6dabd7d71460d0bb952ef3
[INFO] running `Command { std: "docker" "start" "-a" "541c01610f69c23771bd3b25b17cd484b8c5ec9e9f6dabd7d71460d0bb952ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541c01610f69c23771bd3b25b17cd484b8c5ec9e9f6dabd7d71460d0bb952ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541c01610f69c23771bd3b25b17cd484b8c5ec9e9f6dabd7d71460d0bb952ef3", kill_on_drop: false }`
[INFO] [stdout] 541c01610f69c23771bd3b25b17cd484b8c5ec9e9f6dabd7d71460d0bb952ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdaf251c9802041e6550372d03980de8c0fbb3a2c6b21477a73131a1c3801fc
[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" "afdaf251c9802041e6550372d03980de8c0fbb3a2c6b21477a73131a1c3801fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rio_api v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking oxiri v0.1.1
[INFO] [stderr]     Checking oxilangtag v0.1.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking rio_turtle v0.5.3
[INFO] [stderr]     Checking quick-xml v0.21.0
[INFO] [stderr]     Checking pretty_rdf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:785:9
[INFO] [stdout]     |
[INFO] [stdout] 785 | /         &self.v.make_contiguous()
[INFO] [stdout] 786 | |             .sort_by(
[INFO] [stdout] 787 | |                 |a, b| {
[INFO] [stdout] 788 | |                     match (a, b) {
[INFO] [stdout] ...   |
[INFO] [stdout] 821 | |                 }
[INFO] [stdout] 822 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:850:21
[INFO] [stdout]     |
[INFO] [stdout] 850 |                     &self.by_sub.insert(n.clone(), v.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1280:9
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         &self.1.push(triple);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:785:9
[INFO] [stdout]     |
[INFO] [stdout] 785 | /         &self.v.make_contiguous()
[INFO] [stdout] 786 | |             .sort_by(
[INFO] [stdout] 787 | |                 |a, b| {
[INFO] [stdout] 788 | |                     match (a, b) {
[INFO] [stdout] ...   |
[INFO] [stdout] 821 | |                 }
[INFO] [stdout] 822 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:850:21
[INFO] [stdout]     |
[INFO] [stdout] 850 |                     &self.by_sub.insert(n.clone(), v.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/lib.rs:1280:9
[INFO] [stdout]      |
[INFO] [stdout] 1280 |         &self.1.push(triple);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "afdaf251c9802041e6550372d03980de8c0fbb3a2c6b21477a73131a1c3801fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdaf251c9802041e6550372d03980de8c0fbb3a2c6b21477a73131a1c3801fc", kill_on_drop: false }`
[INFO] [stdout] afdaf251c9802041e6550372d03980de8c0fbb3a2c6b21477a73131a1c3801fc