[INFO] cloning repository https://github.com/hindenbug/rtstc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hindenbug/rtstc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25f582d234f2b087ba11dce1444a7ca4290386bc
[INFO] checking hindenbug/rtstc against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hindenbug/rtstc on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hindenbug/rtstc
[INFO] finished tweaking git repo https://github.com/hindenbug/rtstc
[INFO] tweaked toml for git repo https://github.com/hindenbug/rtstc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hindenbug/rtstc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46dd15d18991d39f4141b94df8e7650ef21fa24b5c0beae48b1659d1d3bf8444
[INFO] running `Command { std: "docker" "start" "-a" "46dd15d18991d39f4141b94df8e7650ef21fa24b5c0beae48b1659d1d3bf8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46dd15d18991d39f4141b94df8e7650ef21fa24b5c0beae48b1659d1d3bf8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dd15d18991d39f4141b94df8e7650ef21fa24b5c0beae48b1659d1d3bf8444", kill_on_drop: false }`
[INFO] [stdout] 46dd15d18991d39f4141b94df8e7650ef21fa24b5c0beae48b1659d1d3bf8444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabe28e89aae2e9c2954cbc044894d7839c389717d96a8d6fb168daad85e5a74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eabe28e89aae2e9c2954cbc044894d7839c389717d96a8d6fb168daad85e5a74", kill_on_drop: false }`
[INFO] [stderr]     Checking rtstc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:36:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 while let Some(&'a'...'z') = chars_.clone().peekable().peek() {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             '0'...'9' => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 while let Some(&'0'...'9') = chars_.clone().peekable().peek() {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:36:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 while let Some(&'a'...'z') = chars_.clone().peekable().peek() {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             '0'...'9' => {
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/tokenizer.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 while let Some(&'0'...'9') = chars_.clone().peekable().peek() {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/traverser.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/traverser.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Visitor`
[INFO] [stdout]  --> src/traverser.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Visitor {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Visitor`
[INFO] [stdout]  --> src/traverser.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Visitor {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse`
[INFO] [stdout]  --> src/traverser.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "eabe28e89aae2e9c2954cbc044894d7839c389717d96a8d6fb168daad85e5a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabe28e89aae2e9c2954cbc044894d7839c389717d96a8d6fb168daad85e5a74", kill_on_drop: false }`
[INFO] [stdout] eabe28e89aae2e9c2954cbc044894d7839c389717d96a8d6fb168daad85e5a74