[INFO] cloning repository https://github.com/cinvymoe/qt4rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cinvymoe/qt4rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcinvymoe%2Fqt4rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcinvymoe%2Fqt4rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7064d302e7508a6b4288114022165a3f3e43f088
[INFO] checking cinvymoe/qt4rust/7064d302e7508a6b4288114022165a3f3e43f088 against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcinvymoe%2Fqt4rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/cinvymoe/qt4rust
[INFO] finished tweaking git repo https://github.com/cinvymoe/qt4rust
[INFO] tweaked toml for git repo https://github.com/cinvymoe/qt4rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cinvymoe/qt4rust on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cinvymoe/qt4rust 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4dbbc5d81beb1763d03b5e0f10858fb323c6e3ab4547020ac5f4435286e3cf
[INFO] running `Command { std: "docker" "start" "-a" "2a4dbbc5d81beb1763d03b5e0f10858fb323c6e3ab4547020ac5f4435286e3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4dbbc5d81beb1763d03b5e0f10858fb323c6e3ab4547020ac5f4435286e3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4dbbc5d81beb1763d03b5e0f10858fb323c6e3ab4547020ac5f4435286e3cf", kill_on_drop: false }`
[INFO] [stdout] 2a4dbbc5d81beb1763d03b5e0f10858fb323c6e3ab4547020ac5f4435286e3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e4db4a678a205a9ca4d9fa3733143d556dc077e26ceafbb673e5812a0afd73
[INFO] running `Command { std: "docker" "start" "-a" "a4e4db4a678a205a9ca4d9fa3733143d556dc077e26ceafbb673e5812a0afd73", kill_on_drop: false }`
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[INFO] [stderr]    Compiling qt-rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `QmlLoadError`, `ContextSetupError`, and `ResourceError` are never constructed
[INFO] [stdout]   --> src/application.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum ApplicationError {
[INFO] [stdout]    |          ---------------- variants in this enum
[INFO] [stdout]  9 |     QmlLoadError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     EngineInitError(String),
[INFO] [stdout] 11 |     ContextSetupError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ResourceError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `QmlLoadError`, `ContextSetupError`, and `ResourceError` are never constructed
[INFO] [stdout]   --> src/application.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum ApplicationError {
[INFO] [stdout]    |          ---------------- variants in this enum
[INFO] [stdout]  9 |     QmlLoadError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     EngineInitError(String),
[INFO] [stdout] 11 |     ContextSetupError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ResourceError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ApplicationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7m 16s
[INFO] running `Command { std: "docker" "inspect" "a4e4db4a678a205a9ca4d9fa3733143d556dc077e26ceafbb673e5812a0afd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e4db4a678a205a9ca4d9fa3733143d556dc077e26ceafbb673e5812a0afd73", kill_on_drop: false }`
[INFO] [stdout] a4e4db4a678a205a9ca4d9fa3733143d556dc077e26ceafbb673e5812a0afd73