[INFO] fetching crate buffy 0.0.2...
[INFO] checking buffy-0.0.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate buffy 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate buffy 0.0.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-6/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b1356e7b6c6860696c1f9b72b646c32b80445545ae0d62e0e0d4b65770dbd5
[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" "b2b1356e7b6c6860696c1f9b72b646c32b80445545ae0d62e0e0d4b65770dbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b1356e7b6c6860696c1f9b72b646c32b80445545ae0d62e0e0d4b65770dbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b1356e7b6c6860696c1f9b72b646c32b80445545ae0d62e0e0d4b65770dbd5", kill_on_drop: false }`
[INFO] [stdout] b2b1356e7b6c6860696c1f9b72b646c32b80445545ae0d62e0e0d4b65770dbd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 55a4502372a84fa92204093f89101ccfda202acee5c0fef7bfaba1b7dbfc89b7
[INFO] running `Command { std: "docker" "start" "-a" "55a4502372a84fa92204093f89101ccfda202acee5c0fef7bfaba1b7dbfc89b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking buffy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[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" "55a4502372a84fa92204093f89101ccfda202acee5c0fef7bfaba1b7dbfc89b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a4502372a84fa92204093f89101ccfda202acee5c0fef7bfaba1b7dbfc89b7", kill_on_drop: false }`
[INFO] [stdout] 55a4502372a84fa92204093f89101ccfda202acee5c0fef7bfaba1b7dbfc89b7