[INFO] fetching crate treadmill 0.0.1...
[INFO] checking treadmill-0.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate treadmill 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate treadmill 0.0.1
[INFO] finished tweaking crates.io crate treadmill 0.0.1
[INFO] tweaked toml for crates.io crate treadmill 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treadmill 0.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (available: v0.20.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1259915e5295946ec666a5ba72260cd8275336fc12b549c92a966b4dd43f441e
[INFO] running `Command { std: "docker" "start" "-a" "1259915e5295946ec666a5ba72260cd8275336fc12b549c92a966b4dd43f441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1259915e5295946ec666a5ba72260cd8275336fc12b549c92a966b4dd43f441e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1259915e5295946ec666a5ba72260cd8275336fc12b549c92a966b4dd43f441e", kill_on_drop: false }`
[INFO] [stdout] 1259915e5295946ec666a5ba72260cd8275336fc12b549c92a966b4dd43f441e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b27b4c1e93a022a35a3fdf2400a4e2c84abefdfbfc4cf09a68111477b0c5b1a4
[INFO] running `Command { std: "docker" "start" "-a" "b27b4c1e93a022a35a3fdf2400a4e2c84abefdfbfc4cf09a68111477b0c5b1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling treadmill v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DetectedEnvironment {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     target: String,
[INFO] [stdout] 43 |     package_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     package_manifest: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     test_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DetectedEnvironment {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     target: String,
[INFO] [stdout] 43 |     package_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     package_manifest: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     test_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/demo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     dbg!(binary.command().output());
[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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "b27b4c1e93a022a35a3fdf2400a4e2c84abefdfbfc4cf09a68111477b0c5b1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27b4c1e93a022a35a3fdf2400a4e2c84abefdfbfc4cf09a68111477b0c5b1a4", kill_on_drop: false }`
[INFO] [stdout] b27b4c1e93a022a35a3fdf2400a4e2c84abefdfbfc4cf09a68111477b0c5b1a4