[INFO] cloning repository https://github.com/dpapin1118/fb_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpapin1118/fb_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpapin1118%2Ffb_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpapin1118%2Ffb_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9332972aec293f34c405bd69494a72f53b46d7eb
[INFO] checking dpapin1118/fb_test against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpapin1118%2Ffb_test" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpapin1118/fb_test on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpapin1118/fb_test
[INFO] finished tweaking git repo https://github.com/dpapin1118/fb_test
[INFO] tweaked toml for git repo https://github.com/dpapin1118/fb_test written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/dpapin1118/fb_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9e794230b6f4d2f9b8de1d00fb64a7d6cc62a3ba1a266c94f9717f2a919700
[INFO] running `Command { std: "docker" "start" "-a" "9e9e794230b6f4d2f9b8de1d00fb64a7d6cc62a3ba1a266c94f9717f2a919700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9e794230b6f4d2f9b8de1d00fb64a7d6cc62a3ba1a266c94f9717f2a919700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9e794230b6f4d2f9b8de1d00fb64a7d6cc62a3ba1a266c94f9717f2a919700", kill_on_drop: false }`
[INFO] [stdout] 9e9e794230b6f4d2f9b8de1d00fb64a7d6cc62a3ba1a266c94f9717f2a919700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3bd6f8b1e473725cdf0e85abd9e3001b66c69b63e9343b6cc3828152d895769
[INFO] running `Command { std: "docker" "start" "-a" "a3bd6f8b1e473725cdf0e85abd9e3001b66c69b63e9343b6cc3828152d895769", kill_on_drop: false }`
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[INFO] [stderr]     Checking fb_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::fb_test::fb`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fb_test::fb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fb_test::fb`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::fb_test::fb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fb`
[INFO] [stdout]  --> src/fb_test.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn fb() -> anyhow::Result<()> {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/fb_test.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         fb();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "a3bd6f8b1e473725cdf0e85abd9e3001b66c69b63e9343b6cc3828152d895769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bd6f8b1e473725cdf0e85abd9e3001b66c69b63e9343b6cc3828152d895769", kill_on_drop: false }`
[INFO] [stdout] a3bd6f8b1e473725cdf0e85abd9e3001b66c69b63e9343b6cc3828152d895769