[INFO] cloning repository https://github.com/AgentElement/scadfront
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AgentElement/scadfront" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentElement%2Fscadfront", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentElement%2Fscadfront'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 967b5957dcb02817e3824d37d8862bdf9db0ded3
[INFO] checking AgentElement/scadfront against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgentElement%2Fscadfront" "/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/AgentElement/scadfront
[INFO] finished tweaking git repo https://github.com/AgentElement/scadfront
[INFO] tweaked toml for git repo https://github.com/AgentElement/scadfront written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AgentElement/scadfront on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AgentElement/scadfront 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef30c2c70960aed8ce4a3b233a44ecde9a35d5461b8574dafbe041a14e1f90b
[INFO] running `Command { std: "docker" "start" "-a" "3ef30c2c70960aed8ce4a3b233a44ecde9a35d5461b8574dafbe041a14e1f90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef30c2c70960aed8ce4a3b233a44ecde9a35d5461b8574dafbe041a14e1f90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef30c2c70960aed8ce4a3b233a44ecde9a35d5461b8574dafbe041a14e1f90b", kill_on_drop: false }`
[INFO] [stdout] 3ef30c2c70960aed8ce4a3b233a44ecde9a35d5461b8574dafbe041a14e1f90b
[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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4848c85eb279ec7f988cebef3fa75536ae60504211b083e5fb4a5cb1ac26b99
[INFO] running `Command { std: "docker" "start" "-a" "c4848c85eb279ec7f988cebef3fa75536ae60504211b083e5fb4a5cb1ac26b99", kill_on_drop: false }`
[INFO] [stderr]     Checking scadfront v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/lexer.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn peek(k: u64) -> Option<token::Token> {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buf` and `pos` are never read
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lexer<R> {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     buf: BufReader<R>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     pos: u64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get` and `peek` are never used
[INFO] [stdout]   --> src/lexer.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<R> Lexer<R> {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 11 |     fn get() -> Option<token::Token> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn peek(k: u64) -> Option<token::Token> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/lexer.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn peek(k: u64) -> Option<token::Token> {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buf` and `pos` are never read
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lexer<R> {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     buf: BufReader<R>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     pos: u64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get` and `peek` are never used
[INFO] [stdout]   --> src/lexer.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<R> Lexer<R> {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 11 |     fn get() -> Option<token::Token> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn peek(k: u64) -> Option<token::Token> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c4848c85eb279ec7f988cebef3fa75536ae60504211b083e5fb4a5cb1ac26b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4848c85eb279ec7f988cebef3fa75536ae60504211b083e5fb4a5cb1ac26b99", kill_on_drop: false }`
[INFO] [stdout] c4848c85eb279ec7f988cebef3fa75536ae60504211b083e5fb4a5cb1ac26b99