[INFO] fetching crate console_ui_engine_null 0.1.0...
[INFO] checking console_ui_engine_null-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate console_ui_engine_null 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate console_ui_engine_null 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate console_ui_engine_null 0.1.0
[INFO] finished tweaking crates.io crate console_ui_engine_null 0.1.0
[INFO] tweaked toml for crates.io crate console_ui_engine_null 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate console_ui_engine_null 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-1-tc1/source/examples/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `example`
[INFO] [stderr]   * `example` target `main`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.3.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded crossterm v0.13.2
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d4ff4014e78b823689d537c0592ff018622d69851cbb274004609c766dd058
[INFO] running `Command { std: "docker" "start" "-a" "a6d4ff4014e78b823689d537c0592ff018622d69851cbb274004609c766dd058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d4ff4014e78b823689d537c0592ff018622d69851cbb274004609c766dd058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d4ff4014e78b823689d537c0592ff018622d69851cbb274004609c766dd058", kill_on_drop: false }`
[INFO] [stdout] a6d4ff4014e78b823689d537c0592ff018622d69851cbb274004609c766dd058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbb3b233f32195673dda38c0639cf28963e5963ea9ecabaebf9972216118d90f
[INFO] running `Command { std: "docker" "start" "-a" "cbb3b233f32195673dda38c0639cf28963e5963ea9ecabaebf9972216118d90f", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `example`
[INFO] [stderr]   * `example` target `main`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossterm v0.13.2
[INFO] [stderr]     Checking console_ui_engine_null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `full_render_chars` is never used
[INFO] [stdout]   --> src/console.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Console {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     fn full_render_chars(&self) -> Result<()>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `full_render_chars` is never used
[INFO] [stdout]   --> src/console.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Console {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 60 |
[INFO] [stdout] 61 |     fn full_render_chars(&self) -> Result<()>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "cbb3b233f32195673dda38c0639cf28963e5963ea9ecabaebf9972216118d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb3b233f32195673dda38c0639cf28963e5963ea9ecabaebf9972216118d90f", kill_on_drop: false }`
[INFO] [stdout] cbb3b233f32195673dda38c0639cf28963e5963ea9ecabaebf9972216118d90f