[INFO] fetching crate rustwire 0.2.0...
[INFO] checking rustwire-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate rustwire 0.2.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustwire 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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: v0.14.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f87d83b75eba5d4e9ada06c0c1a31b00cb07221e74854579125c9c6e85503322
[INFO] running `Command { std: "docker" "start" "-a" "f87d83b75eba5d4e9ada06c0c1a31b00cb07221e74854579125c9c6e85503322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87d83b75eba5d4e9ada06c0c1a31b00cb07221e74854579125c9c6e85503322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87d83b75eba5d4e9ada06c0c1a31b00cb07221e74854579125c9c6e85503322", kill_on_drop: false }`
[INFO] [stdout] f87d83b75eba5d4e9ada06c0c1a31b00cb07221e74854579125c9c6e85503322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053efa98537c52316e13a5bf2c9595ae95bf0b515e683234dc0ab5b382f719e6
[INFO] running `Command { std: "docker" "start" "-a" "053efa98537c52316e13a5bf2c9595ae95bf0b515e683234dc0ab5b382f719e6", kill_on_drop: false }`
[INFO] [stderr]     Checking rustwire v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[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_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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "053efa98537c52316e13a5bf2c9595ae95bf0b515e683234dc0ab5b382f719e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053efa98537c52316e13a5bf2c9595ae95bf0b515e683234dc0ab5b382f719e6", kill_on_drop: false }`
[INFO] [stdout] 053efa98537c52316e13a5bf2c9595ae95bf0b515e683234dc0ab5b382f719e6