[INFO] fetching crate rustwire 0.2.0...
[INFO] checking rustwire-0.2.0 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate rustwire 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rustwire 0.2.0
[INFO] finished tweaking crates.io crate rustwire 0.2.0
[INFO] tweaked toml for crates.io crate rustwire 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustwire 0.2.0 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "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" "+ff647322379c48947c196639599067665ff9eb88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4
[INFO] running `Command { std: "docker" "start" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]     Checking bytes v1.12.0
[INFO] [stderr]     Checking rustwire v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stdout] warning: unused import: `Variant`
[INFO] [stdout]  --> benches/read_75_bytes.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustwire::{extract_field_by_tag, Variant};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> benches/read_75_bytes.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let result = test::black_box(result);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Variant`
[INFO] [stdout]  --> benches/read_4k_bytes.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustwire::{extract_field_by_tag, Variant};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Variant`
[INFO] [stdout]  --> benches/read_11_bytes.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustwire::{extract_field_by_tag, Variant};
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rustwire_replace` is never used
[INFO] [stdout]   --> benches/write_replace_nested.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn rustwire_replace(encoded_message: &[u8], user_id: i32) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> benches/read_4k_bytes.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let result = test::black_box(result);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4", kill_on_drop: false }`
[INFO] [stdout] 948b427e26b686f21a5ff226cba26fcd218d3bfe6f01f10566b17a6f4f8ba9f4
