[INFO] cloning repository https://github.com/JoshOrndorff/Casanova
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshOrndorff/Casanova" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshOrndorff%2FCasanova", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshOrndorff%2FCasanova'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1ca2682a39a6dc78e4ccf16c12f5a83a8ea95f7
[INFO] checking JoshOrndorff/Casanova against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshOrndorff%2FCasanova" "/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/JoshOrndorff/Casanova on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshOrndorff/Casanova
[INFO] finished tweaking git repo https://github.com/JoshOrndorff/Casanova
[INFO] tweaked toml for git repo https://github.com/JoshOrndorff/Casanova written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshOrndorff/Casanova already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 16ef16cb9c39822006dfcd3cb60d22c53a7a3db87cc9fac2ece8a193455e2c2d
[INFO] running `Command { std: "docker" "start" "-a" "16ef16cb9c39822006dfcd3cb60d22c53a7a3db87cc9fac2ece8a193455e2c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ef16cb9c39822006dfcd3cb60d22c53a7a3db87cc9fac2ece8a193455e2c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ef16cb9c39822006dfcd3cb60d22c53a7a3db87cc9fac2ece8a193455e2c2d", kill_on_drop: false }`
[INFO] [stdout] 16ef16cb9c39822006dfcd3cb60d22c53a7a3db87cc9fac2ece8a193455e2c2d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1d490e8297706453f4fa0dac07144db4b9743f1efd94e79e29dee670b4aad294
[INFO] running `Command { std: "docker" "start" "-a" "1d490e8297706453f4fa0dac07144db4b9743f1efd94e79e29dee670b4aad294", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking casanova v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 q.append(&mut satisfied); // This line doesn't compile
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ expected struct `Block`, found `&Block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut VecDeque<Block>`
[INFO] [stdout]               found mutable reference `&mut VecDeque<&Block>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 q.append(&mut satisfied); // This line doesn't compile
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ expected struct `Block`, found `&Block`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut VecDeque<Block>`
[INFO] [stdout]               found mutable reference `&mut VecDeque<&Block>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casanova`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d490e8297706453f4fa0dac07144db4b9743f1efd94e79e29dee670b4aad294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d490e8297706453f4fa0dac07144db4b9743f1efd94e79e29dee670b4aad294", kill_on_drop: false }`
[INFO] [stdout] 1d490e8297706453f4fa0dac07144db4b9743f1efd94e79e29dee670b4aad294
