[INFO] fetching crate buffy 0.0.2...
[INFO] checking buffy-0.0.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate buffy 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buffy 0.0.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffy 0.0.2
[INFO] finished tweaking crates.io crate buffy 0.0.2
[INFO] tweaked toml for crates.io crate buffy 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate buffy 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e28a17cc9bb75d635c68c8bd05c230db77a128e8cd897d9470b765acbaaf3b1
[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" "0e28a17cc9bb75d635c68c8bd05c230db77a128e8cd897d9470b765acbaaf3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e28a17cc9bb75d635c68c8bd05c230db77a128e8cd897d9470b765acbaaf3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e28a17cc9bb75d635c68c8bd05c230db77a128e8cd897d9470b765acbaaf3b1", kill_on_drop: false }`
[INFO] [stdout] 0e28a17cc9bb75d635c68c8bd05c230db77a128e8cd897d9470b765acbaaf3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcde2be61c425569b36a7d2b24484a32e897be82748505acf7f4f4a3d2916dab
[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" "dcde2be61c425569b36a7d2b24484a32e897be82748505acf7f4f4a3d2916dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking buffy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stdout] error[E0277]: the trait bound `crossterm::style::Color: From<buffy::Color>` is not satisfied
[INFO] [stdout]   --> examples/basic_crossterm.rs:19:66
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 style::SetColors(style::Colors::new(q.color[i].0.into(), q.color[i].1.into())),
[INFO] [stdout]    |                                                                  ^^^^ the trait `From<buffy::Color>` is not implemented for `crossterm::style::Color`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <crossterm::style::Color as From<(u8, u8, u8)>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<crossterm::style::Color>` for `buffy::Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `crossterm::style::Color: From<buffy::Color>` is not satisfied
[INFO] [stdout]   --> examples/basic_crossterm.rs:19:87
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 style::SetColors(style::Colors::new(q.color[i].0.into(), q.color[i].1.into())),
[INFO] [stdout]    |                                                                                       ^^^^ the trait `From<buffy::Color>` is not implemented for `crossterm::style::Color`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <crossterm::style::Color as From<(u8, u8, u8)>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<crossterm::style::Color>` for `buffy::Color`
[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 `buffy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "dcde2be61c425569b36a7d2b24484a32e897be82748505acf7f4f4a3d2916dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcde2be61c425569b36a7d2b24484a32e897be82748505acf7f4f4a3d2916dab", kill_on_drop: false }`
[INFO] [stdout] dcde2be61c425569b36a7d2b24484a32e897be82748505acf7f4f4a3d2916dab