[INFO] fetching crate tokio-mc 0.1.2...
[INFO] checking tokio-mc-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tokio-mc 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tokio-mc 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-mc 0.1.2
[INFO] tweaked toml for crates.io crate tokio-mc 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-mc 0.1.2 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] crate crates.io crate tokio-mc 0.1.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e580e7fc02f8e3c594b574a66e5d07d1a07b404f347f8d4c61e16afbadc24b2f
[INFO] running `Command { std: "docker" "start" "-a" "e580e7fc02f8e3c594b574a66e5d07d1a07b404f347f8d4c61e16afbadc24b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e580e7fc02f8e3c594b574a66e5d07d1a07b404f347f8d4c61e16afbadc24b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e580e7fc02f8e3c594b574a66e5d07d1a07b404f347f8d4c61e16afbadc24b2f", kill_on_drop: false }`
[INFO] [stdout] e580e7fc02f8e3c594b574a66e5d07d1a07b404f347f8d4c61e16afbadc24b2f
[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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570db86de7756e652aecf37fcaaa60eb661b1840be80852b925b8e36ad97f9f7
[INFO] running `Command { std: "docker" "start" "-a" "570db86de7756e652aecf37fcaaa60eb661b1840be80852b925b8e36ad97f9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tokio-mc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `TIMEOUT_DURATION` is never used
[INFO] [stdout]   --> src/frame/types.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const TIMEOUT_DURATION: Duration = Duration::from_millis(100);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseHeader` is never constructed
[INFO] [stdout]   --> src/header.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ResponseHeader(pub HeaderByte);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `len` are never used
[INFO] [stdout]   --> src/header.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl ResponseHeader {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 41 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT_DURATION` is never used
[INFO] [stdout]   --> src/frame/types.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const TIMEOUT_DURATION: Duration = Duration::from_millis(100);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResponseHeader` is never constructed
[INFO] [stdout]   --> src/header.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ResponseHeader(pub HeaderByte);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `len` are never used
[INFO] [stdout]   --> src/header.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl ResponseHeader {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 41 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "570db86de7756e652aecf37fcaaa60eb661b1840be80852b925b8e36ad97f9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570db86de7756e652aecf37fcaaa60eb661b1840be80852b925b8e36ad97f9f7", kill_on_drop: false }`
[INFO] [stdout] 570db86de7756e652aecf37fcaaa60eb661b1840be80852b925b8e36ad97f9f7