[INFO] cloning repository https://github.com/sargeras55/rust-edu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sargeras55/rust-edu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsargeras55%2Frust-edu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsargeras55%2Frust-edu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee2da3f47399b90560f66f09bdfd79b52b3648a0 [INFO] testing sargeras55/rust-edu against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsargeras55%2Frust-edu" "/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/sargeras55/rust-edu on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sargeras55/rust-edu [INFO] finished tweaking git repo https://github.com/sargeras55/rust-edu [INFO] tweaked toml for git repo https://github.com/sargeras55/rust-edu written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/sargeras55/rust-edu already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] ef71185a39b483991972a3cfcdfeed958e1adcace8506bfe180d6521b56921fa [INFO] running `Command { std: "docker" "start" "-a" "ef71185a39b483991972a3cfcdfeed958e1adcace8506bfe180d6521b56921fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef71185a39b483991972a3cfcdfeed958e1adcace8506bfe180d6521b56921fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef71185a39b483991972a3cfcdfeed958e1adcace8506bfe180d6521b56921fa", kill_on_drop: false }` [INFO] [stdout] ef71185a39b483991972a3cfcdfeed958e1adcace8506bfe180d6521b56921fa [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47f33126a5ff8f79ec95df9eada1c2e32d81116eac129ce5b34be45cf3b2dddb [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" "47f33126a5ff8f79ec95df9eada1c2e32d81116eac129ce5b34be45cf3b2dddb", kill_on_drop: false }` [INFO] [stderr] Compiling rust_edu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: `Node` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | type N = Node; [INFO] [stdout] | ^^^^^^^^^^^^^^ `Node` cannot be formatted with the default formatter [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Display` is not implemented for `Node` [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] note: required by a bound in `Graph::N` [INFO] [stdout] --> src/main.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | type N: fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^ required by this bound in `Graph::N` [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 `rust_edu` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "47f33126a5ff8f79ec95df9eada1c2e32d81116eac129ce5b34be45cf3b2dddb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47f33126a5ff8f79ec95df9eada1c2e32d81116eac129ce5b34be45cf3b2dddb", kill_on_drop: false }` [INFO] [stdout] 47f33126a5ff8f79ec95df9eada1c2e32d81116eac129ce5b34be45cf3b2dddb