[INFO] cloning repository https://github.com/mpdrescher/latex-preprocessor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpdrescher/latex-preprocessor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Flatex-preprocessor"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Flatex-preprocessor'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36a31eea87ed73b30434a1526a5f39ddf41f47e7
[INFO] testing mpdrescher/latex-preprocessor against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpdrescher%2Flatex-preprocessor" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mpdrescher/latex-preprocessor on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mpdrescher/latex-preprocessor
[INFO] finished tweaking git repo https://github.com/mpdrescher/latex-preprocessor
[INFO] tweaked toml for git repo https://github.com/mpdrescher/latex-preprocessor written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mpdrescher/latex-preprocessor already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c185560c3091a8a8106fc09f8f0814725ed3a65520c2cfec59c2d32686263b7
[INFO] running `"docker" "start" "-a" "6c185560c3091a8a8106fc09f8f0814725ed3a65520c2cfec59c2d32686263b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling latex-preprocessor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:181:44
[INFO] [stderr]     |
[INFO] [stderr] 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 182 | |         acc.push_str(prefix);
[INFO] [stderr] 183 | |         acc.push_str(&x);
[INFO] [stderr] 184 | |         acc.push_str(suffix); 
[INFO] [stderr] 185 | |         acc
[INFO] [stderr] 186 | |     }))
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 181 |     string.into_iter().fold(String::new(), |mut acc, x| {
[INFO] [stderr] 182 |         acc.push_str(prefix);
[INFO] [stderr] 183 |         acc.push_str(&x);
[INFO] [stderr] 184 |         acc.push_str(suffix); 
[INFO] [stderr] 185 |         acc
[INFO] [stderr] 186 |     })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "6c185560c3091a8a8106fc09f8f0814725ed3a65520c2cfec59c2d32686263b7"`
[INFO] running `"docker" "rm" "-f" "6c185560c3091a8a8106fc09f8f0814725ed3a65520c2cfec59c2d32686263b7"`
[INFO] [stdout] 6c185560c3091a8a8106fc09f8f0814725ed3a65520c2cfec59c2d32686263b7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a01d223cb43118c85c2bc6e6016cb0d4b079163fb8a65923394cbd77d90a8d75
[INFO] running `"docker" "start" "-a" "a01d223cb43118c85c2bc6e6016cb0d4b079163fb8a65923394cbd77d90a8d75"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling latex-preprocessor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:181:44
[INFO] [stderr]     |
[INFO] [stderr] 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 182 | |         acc.push_str(prefix);
[INFO] [stderr] 183 | |         acc.push_str(&x);
[INFO] [stderr] 184 | |         acc.push_str(suffix); 
[INFO] [stderr] 185 | |         acc
[INFO] [stderr] 186 | |     }))
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 181 |     string.into_iter().fold(String::new(), |mut acc, x| {
[INFO] [stderr] 182 |         acc.push_str(prefix);
[INFO] [stderr] 183 |         acc.push_str(&x);
[INFO] [stderr] 184 |         acc.push_str(suffix); 
[INFO] [stderr] 185 |         acc
[INFO] [stderr] 186 |     })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "a01d223cb43118c85c2bc6e6016cb0d4b079163fb8a65923394cbd77d90a8d75"`
[INFO] running `"docker" "rm" "-f" "a01d223cb43118c85c2bc6e6016cb0d4b079163fb8a65923394cbd77d90a8d75"`
[INFO] [stdout] a01d223cb43118c85c2bc6e6016cb0d4b079163fb8a65923394cbd77d90a8d75
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3188ac47a76b5dfb3d04d1fbaf6cf8a559b18b9976d8168c2bf0cc5eed2c310b
[INFO] running `"docker" "start" "-a" "3188ac47a76b5dfb3d04d1fbaf6cf8a559b18b9976d8168c2bf0cc5eed2c310b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:181:44
[INFO] [stderr]     |
[INFO] [stderr] 181 |       string.into_iter().fold(String::new(), (|mut acc, x| {
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 182 | |         acc.push_str(prefix);
[INFO] [stderr] 183 | |         acc.push_str(&x);
[INFO] [stderr] 184 | |         acc.push_str(suffix); 
[INFO] [stderr] 185 | |         acc
[INFO] [stderr] 186 | |     }))
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 181 |     string.into_iter().fold(String::new(), |mut acc, x| {
[INFO] [stderr] 182 |         acc.push_str(prefix);
[INFO] [stderr] 183 |         acc.push_str(&x);
[INFO] [stderr] 184 |         acc.push_str(suffix); 
[INFO] [stderr] 185 |         acc
[INFO] [stderr] 186 |     })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/latex_preprocessor-2a501ecd9972ae47
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3188ac47a76b5dfb3d04d1fbaf6cf8a559b18b9976d8168c2bf0cc5eed2c310b"`
[INFO] running `"docker" "rm" "-f" "3188ac47a76b5dfb3d04d1fbaf6cf8a559b18b9976d8168c2bf0cc5eed2c310b"`
[INFO] [stdout] 3188ac47a76b5dfb3d04d1fbaf6cf8a559b18b9976d8168c2bf0cc5eed2c310b