[INFO] cloning repository https://github.com/pandawithcat/cs290_hw1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandawithcat/cs290_hw1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandawithcat%2Fcs290_hw1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandawithcat%2Fcs290_hw1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e653024ba2d05552ab38fcfab26f7ebe1b5913c3 [INFO] checking pandawithcat/cs290_hw1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandawithcat%2Fcs290_hw1" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pandawithcat/cs290_hw1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pandawithcat/cs290_hw1 [INFO] finished tweaking git repo https://github.com/pandawithcat/cs290_hw1 [INFO] tweaked toml for git repo https://github.com/pandawithcat/cs290_hw1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/pandawithcat/cs290_hw1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] 9bc8ef413e37266376b4a2728fb5a1228cba177d9c57406461cce59b5be18309 [INFO] running `Command { std: "docker" "start" "-a" "9bc8ef413e37266376b4a2728fb5a1228cba177d9c57406461cce59b5be18309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bc8ef413e37266376b4a2728fb5a1228cba177d9c57406461cce59b5be18309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bc8ef413e37266376b4a2728fb5a1228cba177d9c57406461cce59b5be18309", kill_on_drop: false }` [INFO] [stdout] 9bc8ef413e37266376b4a2728fb5a1228cba177d9c57406461cce59b5be18309 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb277fbb5ed54c5721ce9565bc9eb7164d259e1cb34d729856d37df41f27db86 [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" "fb277fbb5ed54c5721ce9565bc9eb7164d259e1cb34d729856d37df41f27db86", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Checking hw1 v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] error[E0277]: `Tree` doesn't implement `Debug` [INFO] [stdout] --> src/huffman.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | println!("This is the huffman tree {:?}", tree); [INFO] [stdout] | ^^^^ `Tree` cannot be formatted using `{:?}` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `Tree` [INFO] [stdout] = note: add `#[derive(Debug)]` to `Tree` or manually `impl Debug for Tree` [INFO] [stdout] = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hw1` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: `Tree` doesn't implement `Debug` [INFO] [stdout] --> src/huffman.rs:22:47 [INFO] [stdout] | [INFO] [stdout] 22 | println!("This is the huffman tree {:?}", tree); [INFO] [stdout] | ^^^^ `Tree` cannot be formatted using `{:?}` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `Tree` [INFO] [stdout] = note: add `#[derive(Debug)]` to `Tree` or manually `impl Debug for Tree` [INFO] [stdout] = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) [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 E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "fb277fbb5ed54c5721ce9565bc9eb7164d259e1cb34d729856d37df41f27db86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb277fbb5ed54c5721ce9565bc9eb7164d259e1cb34d729856d37df41f27db86", kill_on_drop: false }` [INFO] [stdout] fb277fbb5ed54c5721ce9565bc9eb7164d259e1cb34d729856d37df41f27db86