[INFO] fetching crate console_ui_engine_null 0.1.0...
[INFO] testing console_ui_engine_null-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate console_ui_engine_null 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate console_ui_engine_null 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-4/source/examples/main.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] b5587220ba8b217bac41a2cc134c6ff3588254295d4134238db3097a4b1af947
[INFO] running `Command { std: "docker" "start" "-a" "b5587220ba8b217bac41a2cc134c6ff3588254295d4134238db3097a4b1af947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5587220ba8b217bac41a2cc134c6ff3588254295d4134238db3097a4b1af947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5587220ba8b217bac41a2cc134c6ff3588254295d4134238db3097a4b1af947", kill_on_drop: false }`
[INFO] [stdout] b5587220ba8b217bac41a2cc134c6ff3588254295d4134238db3097a4b1af947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] a02a7464e8d22476efed451e6534d09f9774be7b139bcaae86811c9cd4dff2e2
[INFO] running `Command { std: "docker" "start" "-a" "a02a7464e8d22476efed451e6534d09f9774be7b139bcaae86811c9cd4dff2e2", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/main.rs
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossterm v0.13.2
[INFO] [stderr]    Compiling console_ui_engine_null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `full_render_chars`
[INFO] [stdout]   --> src/console.rs:61:8
[INFO] [stdout]    |
[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 [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "a02a7464e8d22476efed451e6534d09f9774be7b139bcaae86811c9cd4dff2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02a7464e8d22476efed451e6534d09f9774be7b139bcaae86811c9cd4dff2e2", kill_on_drop: false }`
[INFO] [stdout] a02a7464e8d22476efed451e6534d09f9774be7b139bcaae86811c9cd4dff2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 96cba172399c0a0098044f1ecbc7383a9ba1d93f0fa36a5d90ec24f063dde0a8
[INFO] running `Command { std: "docker" "start" "-a" "96cba172399c0a0098044f1ecbc7383a9ba1d93f0fa36a5d90ec24f063dde0a8", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/main.rs
[INFO] [stderr]    Compiling console_ui_engine_null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `full_render_chars`
[INFO] [stdout]   --> src/console.rs:61:8
[INFO] [stdout]    |
[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: associated function is never used: `full_render_chars`
[INFO] [stdout]   --> src/console.rs:61:8
[INFO] [stdout]    |
[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 test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/console_ui_engine_null-029d4987877b1f36)
[INFO] [stderr]   Executable unittests examples/main.rs (/opt/rustwide/target/debug/deps/example-8c28656fc16952cd)
[INFO] running `Command { std: "docker" "inspect" "96cba172399c0a0098044f1ecbc7383a9ba1d93f0fa36a5d90ec24f063dde0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cba172399c0a0098044f1ecbc7383a9ba1d93f0fa36a5d90ec24f063dde0a8", kill_on_drop: false }`
[INFO] [stdout] 96cba172399c0a0098044f1ecbc7383a9ba1d93f0fa36a5d90ec24f063dde0a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] dec8be3596fe1b834d4820f018fe626d60026246e9f940b48a249cf2b6ff24e1
[INFO] running `Command { std: "docker" "start" "-a" "dec8be3596fe1b834d4820f018fe626d60026246e9f940b48a249cf2b6ff24e1", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/main.rs
[INFO] [stderr] warning: associated function is never used: `full_render_chars`
[INFO] [stderr]   --> src/console.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn full_render_chars(&self) -> Result<()>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `console_ui_engine_null` (lib) generated 1 warning
[INFO] [stderr] warning: `console_ui_engine_null` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/console_ui_engine_null-029d4987877b1f36)
[INFO] [stderr]      Running unittests examples/main.rs (/opt/rustwide/target/debug/deps/example-8c28656fc16952cd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests console_ui_engine_null
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dec8be3596fe1b834d4820f018fe626d60026246e9f940b48a249cf2b6ff24e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec8be3596fe1b834d4820f018fe626d60026246e9f940b48a249cf2b6ff24e1", kill_on_drop: false }`
[INFO] [stdout] dec8be3596fe1b834d4820f018fe626d60026246e9f940b48a249cf2b6ff24e1