[INFO] fetching crate supra 0.0.1...
[INFO] checking supra-0.0.1 against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] extracting crate supra 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate supra 0.0.1
[INFO] finished tweaking crates.io crate supra 0.0.1
[INFO] tweaked toml for crates.io crate supra 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate supra 0.0.1 on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778db0e2e12f3d3d359e29783286c30182dc9542065d07fdb4ca0a6ec081c8ab
[INFO] running `Command { std: "docker" "start" "-a" "778db0e2e12f3d3d359e29783286c30182dc9542065d07fdb4ca0a6ec081c8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778db0e2e12f3d3d359e29783286c30182dc9542065d07fdb4ca0a6ec081c8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778db0e2e12f3d3d359e29783286c30182dc9542065d07fdb4ca0a6ec081c8ab", kill_on_drop: false }`
[INFO] [stdout] 778db0e2e12f3d3d359e29783286c30182dc9542065d07fdb4ca0a6ec081c8ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b11668fd84c1cced2cecbf0984fd40d8dc51b2c563f5c07d342931e04bee29d5
[INFO] running `Command { std: "docker" "start" "-a" "b11668fd84c1cced2cecbf0984fd40d8dc51b2c563f5c07d342931e04bee29d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking supra v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/types.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Request {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]  --> src/types.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Response {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Extractor` is never used
[INFO] [stdout]  --> src/types.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Extractor: Sized {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/types.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Request {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]  --> src/types.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Response {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Extractor` is never used
[INFO] [stdout]  --> src/types.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Extractor: Sized {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "b11668fd84c1cced2cecbf0984fd40d8dc51b2c563f5c07d342931e04bee29d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11668fd84c1cced2cecbf0984fd40d8dc51b2c563f5c07d342931e04bee29d5", kill_on_drop: false }`
[INFO] [stdout] b11668fd84c1cced2cecbf0984fd40d8dc51b2c563f5c07d342931e04bee29d5