[INFO] cloning repository https://github.com/colinger/flash_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colinger/flash_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinger%2Fflash_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinger%2Fflash_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9975c840a63174f98eab44e2f13209e010c26016
[INFO] checking colinger/flash_app against master#51ff895062ba60a7cba53f57af928c3fb7b0f2f4 for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinger%2Fflash_app" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/colinger/flash_app
[INFO] finished tweaking git repo https://github.com/colinger/flash_app
[INFO] tweaked toml for git repo https://github.com/colinger/flash_app written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/colinger/flash_app on toolchain 51ff895062ba60a7cba53f57af928c3fb7b0f2f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/colinger/flash_app 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" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1869093b2da99c84c7d0292b013d75f3267bd278585d0592c3c3c796c68c41c
[INFO] running `Command { std: "docker" "start" "-a" "f1869093b2da99c84c7d0292b013d75f3267bd278585d0592c3c3c796c68c41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1869093b2da99c84c7d0292b013d75f3267bd278585d0592c3c3c796c68c41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1869093b2da99c84c7d0292b013d75f3267bd278585d0592c3c3c796c68c41c", kill_on_drop: false }`
[INFO] [stdout] f1869093b2da99c84c7d0292b013d75f3267bd278585d0592c3c3c796c68c41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044c3077c875fabcef89154d19273c6bc0ebb3f7effd51dc335721de5e324a08
[INFO] running `Command { std: "docker" "start" "-a" "044c3077c875fabcef89154d19273c6bc0ebb3f7effd51dc335721de5e324a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stdout] warning: unused variable: `cors`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let cors = Cors::default()
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fsrs` is never read
[INFO] [stdout]  --> src/config.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fsrs: FsrsConfig,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` 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: field `format` is never read
[INFO] [stdout]   --> src/config.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct LoggingConfig {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 27 |     pub level: String,
[INFO] [stdout] 28 |     pub format: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoggingConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `optimal_retention` and `default_parameters` are never read
[INFO] [stdout]   --> src/config.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct FsrsConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 33 |     pub optimal_retention: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub default_parameters: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FsrsConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cors`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let cors = Cors::default()
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_cors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fsrs` is never read
[INFO] [stdout]  --> src/config.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fsrs: FsrsConfig,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` 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: field `format` is never read
[INFO] [stdout]   --> src/config.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct LoggingConfig {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 27 |     pub level: String,
[INFO] [stdout] 28 |     pub format: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoggingConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `optimal_retention` and `default_parameters` are never read
[INFO] [stdout]   --> src/config.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct FsrsConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 33 |     pub optimal_retention: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub default_parameters: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FsrsConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "044c3077c875fabcef89154d19273c6bc0ebb3f7effd51dc335721de5e324a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044c3077c875fabcef89154d19273c6bc0ebb3f7effd51dc335721de5e324a08", kill_on_drop: false }`
[INFO] [stdout] 044c3077c875fabcef89154d19273c6bc0ebb3f7effd51dc335721de5e324a08