[INFO] cloning repository https://github.com/wooffie/rustychain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wooffie/rustychain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooffie%2Frustychain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooffie%2Frustychain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d952a83fe0b4c1b2b282c9b38e54fe9d28956685
[INFO] checking wooffie/rustychain against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooffie%2Frustychain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wooffie/rustychain
[INFO] finished tweaking git repo https://github.com/wooffie/rustychain
[INFO] tweaked toml for git repo https://github.com/wooffie/rustychain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wooffie/rustychain on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wooffie/rustychain 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaf86b7a1a407e8a480295d5aa2834f0c60aa71f9896b5ee8b4f8604c991cb41
[INFO] running `Command { std: "docker" "start" "-a" "eaf86b7a1a407e8a480295d5aa2834f0c60aa71f9896b5ee8b4f8604c991cb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaf86b7a1a407e8a480295d5aa2834f0c60aa71f9896b5ee8b4f8604c991cb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf86b7a1a407e8a480295d5aa2834f0c60aa71f9896b5ee8b4f8604c991cb41", kill_on_drop: false }`
[INFO] [stdout] eaf86b7a1a407e8a480295d5aa2834f0c60aa71f9896b5ee8b4f8604c991cb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df96d44139b6ccafb6f16d9f56f3bbfee204b243d6b4e774bc5c85073e22f1df
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/node.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   let mut last = self.chain.blocks.last_mut().unwrap();
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/node.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   let mut last = self.chain.blocks.last_mut().unwrap();
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]   --> src/bin/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use clap::{arg, Parser};
[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: `arg`
[INFO] [stdout]   --> src/bin/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use clap::{arg, Parser};
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyBehaviour` is never constructed
[INFO] [stdout]   --> src/bin/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct MyBehaviour {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyBehaviour` is never constructed
[INFO] [stdout]   --> src/bin/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct MyBehaviour {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "df96d44139b6ccafb6f16d9f56f3bbfee204b243d6b4e774bc5c85073e22f1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df96d44139b6ccafb6f16d9f56f3bbfee204b243d6b4e774bc5c85073e22f1df", kill_on_drop: false }`
[INFO] [stdout] df96d44139b6ccafb6f16d9f56f3bbfee204b243d6b4e774bc5c85073e22f1df
