[INFO] fetching crate newt 0.6.4...
[INFO] checking newt-0.6.4 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate newt 0.6.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate newt 0.6.4 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newt 0.6.4
[INFO] finished tweaking crates.io crate newt 0.6.4
[INFO] tweaked toml for crates.io crate newt 0.6.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate newt 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded newt_proc_macros v0.0.6
[INFO] [stderr]   Downloaded newt-sys v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8350900a3afe12a30fdef51d2157feba9aa5dbcda2aab9893d0551ec4e5e226
[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" "d8350900a3afe12a30fdef51d2157feba9aa5dbcda2aab9893d0551ec4e5e226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8350900a3afe12a30fdef51d2157feba9aa5dbcda2aab9893d0551ec4e5e226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8350900a3afe12a30fdef51d2157feba9aa5dbcda2aab9893d0551ec4e5e226", kill_on_drop: false }`
[INFO] [stdout] d8350900a3afe12a30fdef51d2157feba9aa5dbcda2aab9893d0551ec4e5e226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed40eb99905eaf429217ad63ecff9f97eb176c6079845c76beba61fd2264059b
[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" "ed40eb99905eaf429217ad63ecff9f97eb176c6079845c76beba61fd2264059b", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling newt_proc_macros v0.0.6
[INFO] [stderr]    Compiling newt-sys v0.1.6
[INFO] [stderr]     Checking newt v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Label`
[INFO] [stdout]   --> tests/form_tests.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 | use newt::widgets::{Button,Form,Label};
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 2m 01s
[INFO] running `Command { std: "docker" "inspect" "ed40eb99905eaf429217ad63ecff9f97eb176c6079845c76beba61fd2264059b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed40eb99905eaf429217ad63ecff9f97eb176c6079845c76beba61fd2264059b", kill_on_drop: false }`
[INFO] [stdout] ed40eb99905eaf429217ad63ecff9f97eb176c6079845c76beba61fd2264059b