[INFO] cloning repository https://github.com/bplower/rust-shapes-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bplower/rust-shapes-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbplower%2Frust-shapes-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbplower%2Frust-shapes-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 698a136c89518738006155467cc5fc3fb4d23163
[INFO] checking bplower/rust-shapes-demo against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbplower%2Frust-shapes-demo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bplower/rust-shapes-demo on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bplower/rust-shapes-demo
[INFO] finished tweaking git repo https://github.com/bplower/rust-shapes-demo
[INFO] tweaked toml for git repo https://github.com/bplower/rust-shapes-demo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bplower/rust-shapes-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a35b1f95d9e2495bd17715e628b7e0c54999eae834da1bd9c15dc7914712e7
[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" "f8a35b1f95d9e2495bd17715e628b7e0c54999eae834da1bd9c15dc7914712e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a35b1f95d9e2495bd17715e628b7e0c54999eae834da1bd9c15dc7914712e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a35b1f95d9e2495bd17715e628b7e0c54999eae834da1bd9c15dc7914712e7", kill_on_drop: false }`
[INFO] [stdout] f8a35b1f95d9e2495bd17715e628b7e0c54999eae834da1bd9c15dc7914712e7
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed02eaf35431f1043f34113c724f5bca6ca56ec40b2d9e854b1d9352c11845e
[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" "3ed02eaf35431f1043f34113c724f5bca6ca56ec40b2d9e854b1d9352c11845e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-shapes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Rectangle: Volume` is not satisfied
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn printer<T>(item: T)
[INFO] [stdout]    |    ------- required by a bound in this
[INFO] [stdout] 12 | where
[INFO] [stdout] 13 |     T: std::fmt::Debug + Volume + Density
[INFO] [stdout]    |                          ------ required by this bound in `printer`
[INFO] [stdout] ...
[INFO] [stdout] 26 |     printer(r);
[INFO] [stdout]    |             ^ the trait `Volume` is not implemented for `Rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Rectangle: Mass` is not satisfied
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn printer<T>(item: T)
[INFO] [stdout]    |    ------- required by a bound in this
[INFO] [stdout] 12 | where
[INFO] [stdout] 13 |     T: std::fmt::Debug + Volume + Density
[INFO] [stdout]    |                                   ------- required by this bound in `printer`
[INFO] [stdout] ...
[INFO] [stdout] 26 |     printer(r);
[INFO] [stdout]    |             ^ the trait `Mass` is not implemented for `Rectangle`
[INFO] [stdout]    |
[INFO] [stdout] note: required because of the requirements on the impl of `Density` for `Rectangle`
[INFO] [stdout]   --> src/traits.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> Density for T where T: Volume + Mass {
[INFO] [stdout]    |         ^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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-shapes`
[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[E0277]: the trait bound `Rectangle: Volume` is not satisfied
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn printer<T>(item: T)
[INFO] [stdout]    |    ------- required by a bound in this
[INFO] [stdout] 12 | where
[INFO] [stdout] 13 |     T: std::fmt::Debug + Volume + Density
[INFO] [stdout]    |                          ------ required by this bound in `printer`
[INFO] [stdout] ...
[INFO] [stdout] 26 |     printer(r);
[INFO] [stdout]    |             ^ the trait `Volume` is not implemented for `Rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Rectangle: Mass` is not satisfied
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn printer<T>(item: T)
[INFO] [stdout]    |    ------- required by a bound in this
[INFO] [stdout] 12 | where
[INFO] [stdout] 13 |     T: std::fmt::Debug + Volume + Density
[INFO] [stdout]    |                                   ------- required by this bound in `printer`
[INFO] [stdout] ...
[INFO] [stdout] 26 |     printer(r);
[INFO] [stdout]    |             ^ the trait `Mass` is not implemented for `Rectangle`
[INFO] [stdout]    |
[INFO] [stdout] note: required because of the requirements on the impl of `Density` for `Rectangle`
[INFO] [stdout]   --> src/traits.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> Density for T where T: Volume + Mass {
[INFO] [stdout]    |         ^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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" "3ed02eaf35431f1043f34113c724f5bca6ca56ec40b2d9e854b1d9352c11845e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed02eaf35431f1043f34113c724f5bca6ca56ec40b2d9e854b1d9352c11845e", kill_on_drop: false }`
[INFO] [stdout] 3ed02eaf35431f1043f34113c724f5bca6ca56ec40b2d9e854b1d9352c11845e