[INFO] fetching crate rust-tour 0.1.17...
[INFO] building rust-tour-0.1.17 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rust-tour 0.1.17 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-tour 0.1.17
[INFO] finished tweaking crates.io crate rust-tour 0.1.17
[INFO] tweaked toml for crates.io crate rust-tour 0.1.17 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-tour 0.1.17 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-tour 0.1.17 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4869735af86c0826e0e43de4049d042998c0194087505825c5a86236690ab1
[INFO] running `Command { std: "docker" "start" "-a" "ca4869735af86c0826e0e43de4049d042998c0194087505825c5a86236690ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4869735af86c0826e0e43de4049d042998c0194087505825c5a86236690ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4869735af86c0826e0e43de4049d042998c0194087505825c5a86236690ab1", kill_on_drop: false }`
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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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "77f30169c714c4fc4d2b02b899be5cbf7bce6f4de6e2c7de1bff5078a6fce22e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling idna_adapter v1.2.1
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[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling tower-http v0.5.2
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
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[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling scraper v0.15.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling git2 v0.19.0
[INFO] [stdout] warning: field `session_id` is never read
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct TerminalSession {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 108 |     session_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TerminalSession` has derived impls for the traits `Clone` and `Debug`, but these are 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: associated function `error` is never used
[INFO] [stdout]    --> src/main.rs:398:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | impl<T> ApiResponse<T> {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 398 |     fn error(message: String) -> ApiResponse<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_total_exercises` is never used
[INFO] [stdout]     --> src/main.rs:1901:10
[INFO] [stdout]      |
[INFO] [stdout] 1901 | async fn count_total_exercises(exercises_path: &std::path::Path) -> anyhow::Result<u32> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:619:5
[INFO] [stdout]     |
[INFO] [stdout] 619 |     cleanup_terminal_sessions(&state, connection_id).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 619 |     let _ = cleanup_terminal_sessions(&state, connection_id).await;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 19s
[INFO] running `Command { std: "docker" "inspect" "77f30169c714c4fc4d2b02b899be5cbf7bce6f4de6e2c7de1bff5078a6fce22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f30169c714c4fc4d2b02b899be5cbf7bce6f4de6e2c7de1bff5078a6fce22e", kill_on_drop: false }`
[INFO] [stdout] 77f30169c714c4fc4d2b02b899be5cbf7bce6f4de6e2c7de1bff5078a6fce22e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f9a34ec2ef90a60cdf0e3ba59e3a2293d96bedc739c768234826a111a67b10
[INFO] running `Command { std: "docker" "start" "-a" "e3f9a34ec2ef90a60cdf0e3ba59e3a2293d96bedc739c768234826a111a67b10", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tour v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr] warning: rust-tour@0.1.17: Using pre-copied assets for packaging
[INFO] [stdout] warning: field `session_id` is never read
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct TerminalSession {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 108 |     session_id: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TerminalSession` has derived impls for the traits `Clone` and `Debug`, but these are 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: associated function `error` is never used
[INFO] [stdout]    --> src/main.rs:398:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | impl<T> ApiResponse<T> {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 398 |     fn error(message: String) -> ApiResponse<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_total_exercises` is never used
[INFO] [stdout]     --> src/main.rs:1901:10
[INFO] [stdout]      |
[INFO] [stdout] 1901 | async fn count_total_exercises(exercises_path: &std::path::Path) -> anyhow::Result<u32> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:619:5
[INFO] [stdout]     |
[INFO] [stdout] 619 |     cleanup_terminal_sessions(&state, connection_id).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 619 |     let _ = cleanup_terminal_sessions(&state, connection_id).await;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "e3f9a34ec2ef90a60cdf0e3ba59e3a2293d96bedc739c768234826a111a67b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f9a34ec2ef90a60cdf0e3ba59e3a2293d96bedc739c768234826a111a67b10", kill_on_drop: false }`
[INFO] [stdout] e3f9a34ec2ef90a60cdf0e3ba59e3a2293d96bedc739c768234826a111a67b10