[INFO] cloning repository https://github.com/2chickens/rust-design-pattern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2chickens/rust-design-pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2chickens%2Frust-design-pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2chickens%2Frust-design-pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99e0fcba972805955d9a44ebe126db506d267e5
[INFO] checking 2chickens/rust-design-pattern against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2chickens%2Frust-design-pattern" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2chickens/rust-design-pattern
[INFO] finished tweaking git repo https://github.com/2chickens/rust-design-pattern
[INFO] tweaked toml for git repo https://github.com/2chickens/rust-design-pattern written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2chickens/rust-design-pattern on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2chickens/rust-design-pattern 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be22359eff8742342e20525c424eec9c2ad8b8d5b0833ce6516dfb20e5e137b
[INFO] running `Command { std: "docker" "start" "-a" "8be22359eff8742342e20525c424eec9c2ad8b8d5b0833ce6516dfb20e5e137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be22359eff8742342e20525c424eec9c2ad8b8d5b0833ce6516dfb20e5e137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be22359eff8742342e20525c424eec9c2ad8b8d5b0833ce6516dfb20e5e137b", kill_on_drop: false }`
[INFO] [stdout] 8be22359eff8742342e20525c424eec9c2ad8b8d5b0833ce6516dfb20e5e137b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68dede51aa5d6ffbd8d28b62e110d6bc030420cef0985fb2529f20f2ab8e729
[INFO] running `Command { std: "docker" "start" "-a" "d68dede51aa5d6ffbd8d28b62e110d6bc030420cef0985fb2529f20f2ab8e729", kill_on_drop: false }`
[INFO] [stderr]     Checking design-pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Migration` is never used
[INFO] [stdout]  --> src/behaviour/command.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Migration<'a> = Box<dyn Fn() -> &'a str>;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]  --> src/behaviour/command.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Schema<'a> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_migration`, `execute`, and `rollback` are never used
[INFO] [stdout]   --> src/behaviour/command.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'a> Schema<'a> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn add_migration<E, R>(&mut self, execute: E, rollback: R)
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn execute(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn rollback(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_field` is never used
[INFO] [stdout]   --> src/behaviour/command.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn add_field() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_field` is never used
[INFO] [stdout]   --> src/behaviour/command.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn remove_field() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "d68dede51aa5d6ffbd8d28b62e110d6bc030420cef0985fb2529f20f2ab8e729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68dede51aa5d6ffbd8d28b62e110d6bc030420cef0985fb2529f20f2ab8e729", kill_on_drop: false }`
[INFO] [stdout] d68dede51aa5d6ffbd8d28b62e110d6bc030420cef0985fb2529f20f2ab8e729
