[INFO] fetching crate buffy 0.0.2...
[INFO] checking buffy-0.0.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate buffy 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate buffy 0.0.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded smallvec v1.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded socket2 v0.3.16
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ae88c5258d6f9d845cd9761664821dc143a8300b6d9deeef8169ec6e445367
[INFO] running `Command { std: "docker" "start" "-a" "28ae88c5258d6f9d845cd9761664821dc143a8300b6d9deeef8169ec6e445367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ae88c5258d6f9d845cd9761664821dc143a8300b6d9deeef8169ec6e445367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ae88c5258d6f9d845cd9761664821dc143a8300b6d9deeef8169ec6e445367", kill_on_drop: false }`
[INFO] [stdout] 28ae88c5258d6f9d845cd9761664821dc143a8300b6d9deeef8169ec6e445367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb11d6f8422688bb32ed93714638bc3c4283c7f82640a0cb4d41793ac319ba88
[INFO] running `Command { std: "docker" "start" "-a" "cb11d6f8422688bb32ed93714638bc3c4283c7f82640a0cb4d41793ac319ba88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking buffy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct Buffer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 88 |     width: usize,
[INFO] [stdout] 89 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Buffer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 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`, which is required by `buffy::Color: Into<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `From<(u8, u8, u8)>` is implemented for `crossterm::style::Color`
[INFO] [stdout]    = help: for that trait implementation, expected `(u8, u8, u8)`, found `buffy::Color`
[INFO] [stdout]    = note: required for `buffy::Color` to implement `Into<crossterm::style::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`, which is required by `buffy::Color: Into<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `From<(u8, u8, u8)>` is implemented for `crossterm::style::Color`
[INFO] [stdout]    = help: for that trait implementation, expected `(u8, u8, u8)`, found `buffy::Color`
[INFO] [stdout]    = note: required for `buffy::Color` to implement `Into<crossterm::style::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` (example "basic_crossterm") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct Buffer {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 88 |     width: usize,
[INFO] [stdout] 89 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Buffer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb11d6f8422688bb32ed93714638bc3c4283c7f82640a0cb4d41793ac319ba88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb11d6f8422688bb32ed93714638bc3c4283c7f82640a0cb4d41793ac319ba88", kill_on_drop: false }`
[INFO] [stdout] cb11d6f8422688bb32ed93714638bc3c4283c7f82640a0cb4d41793ac319ba88