[INFO] cloning repository https://github.com/iankit3/todo_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iankit3/todo_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiankit3%2Ftodo_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiankit3%2Ftodo_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9d72ceaa7249c0077939ef9ae06e435e95328aa
[INFO] checking iankit3/todo_app against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiankit3%2Ftodo_app" "/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/iankit3/todo_app on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iankit3/todo_app
[INFO] finished tweaking git repo https://github.com/iankit3/todo_app
[INFO] tweaked toml for git repo https://github.com/iankit3/todo_app written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/iankit3/todo_app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc24d1bd49b9dd1e8c2aeff3ca0dde975828f611117a2246904b7c3387901aef
[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" "fc24d1bd49b9dd1e8c2aeff3ca0dde975828f611117a2246904b7c3387901aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc24d1bd49b9dd1e8c2aeff3ca0dde975828f611117a2246904b7c3387901aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc24d1bd49b9dd1e8c2aeff3ca0dde975828f611117a2246904b7c3387901aef", kill_on_drop: false }`
[INFO] [stdout] fc24d1bd49b9dd1e8c2aeff3ca0dde975828f611117a2246904b7c3387901aef
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10624ac40bb423bcf1979185b2e86e63af683312fac9aa8eb41658c4266278c7
[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" "10624ac40bb423bcf1979185b2e86e63af683312fac9aa8eb41658c4266278c7", kill_on_drop: false }`
[INFO] [stderr]     Checking todo_app v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Task<'_>: Ord` is not satisfied
[INFO] [stdout]   --> src/main.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     task_list.sort();
[INFO] [stdout]    |               ^^^^ the trait `Ord` is not implemented for `Task<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<Task<'_>>` cannot be built from an iterator over elements of type `&Task<'_>`
[INFO] [stdout]   --> src/main.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 .collect();
[INFO] [stdout]    |                  ^^^^^^^ value of type `Vec<Task<'_>>` cannot be built from `std::iter::Iterator<Item=&Task<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<&Task<'_>>` is not implemented for `Vec<Task<'_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `&mut Vec<Task<'_>>` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/main.rs:83:68
[INFO] [stdout]    |
[INFO] [stdout] 83 |     tasks_list = tasks_list.iter().map(|task| task.is_done = true).collect();
[INFO] [stdout]    |                                                                    ^^^^^^^ value of type `&mut Vec<Task<'_>>` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `&mut Vec<Task<'_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todo_app` due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error[E0277]: the trait bound `Task<'_>: Ord` is not satisfied
[INFO] [stdout]   --> src/main.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     task_list.sort();
[INFO] [stdout]    |               ^^^^ the trait `Ord` is not implemented for `Task<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: a value of type `Vec<Task<'_>>` cannot be built from an iterator over elements of type `&Task<'_>`
[INFO] [stdout]   --> src/main.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 .collect();
[INFO] [stdout]    |                  ^^^^^^^ value of type `Vec<Task<'_>>` cannot be built from `std::iter::Iterator<Item=&Task<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<&Task<'_>>` is not implemented for `Vec<Task<'_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `&mut Vec<Task<'_>>` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/main.rs:83:68
[INFO] [stdout]    |
[INFO] [stdout] 83 |     tasks_list = tasks_list.iter().map(|task| task.is_done = true).collect();
[INFO] [stdout]    |                                                                    ^^^^^^^ value of type `&mut Vec<Task<'_>>` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `&mut Vec<Task<'_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10624ac40bb423bcf1979185b2e86e63af683312fac9aa8eb41658c4266278c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10624ac40bb423bcf1979185b2e86e63af683312fac9aa8eb41658c4266278c7", kill_on_drop: false }`
[INFO] [stdout] 10624ac40bb423bcf1979185b2e86e63af683312fac9aa8eb41658c4266278c7