[INFO] updating cached repository hindenbug/rtstc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hindenbug/rtstc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hindenbug/rtstc" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hindenbug/rtstc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hindenbug/rtstc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hindenbug/rtstc" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hindenbug/rtstc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hindenbug/rtstc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25f582d234f2b087ba11dce1444a7ca4290386bc
[INFO] sha for GitHub repo hindenbug/rtstc: 25f582d234f2b087ba11dce1444a7ca4290386bc
[INFO] validating manifest of hindenbug/rtstc on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hindenbug/rtstc on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hindenbug/rtstc
[INFO] finished frobbing hindenbug/rtstc
[INFO] frobbed toml for hindenbug/rtstc written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hindenbug/rtstc/Cargo.toml
[INFO] started frobbing hindenbug/rtstc
[INFO] finished frobbing hindenbug/rtstc
[INFO] frobbed toml for hindenbug/rtstc written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hindenbug/rtstc/Cargo.toml
[INFO] crate hindenbug/rtstc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hindenbug/rtstc against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hindenbug/rtstc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4d1ff058797dd69c9a846a9999a31424bf98e67956b058ecb6930c3f4b50f3ef
[INFO] running `"docker" "start" "-a" "4d1ff058797dd69c9a846a9999a31424bf98e67956b058ecb6930c3f4b50f3ef"`
[INFO] [stderr]     Checking rtstc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 while let Some(&'a'...'z') = chars_.clone().peekable().peek() {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |             '0'...'9' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 while let Some(&'0'...'9') = chars_.clone().peekable().peek() {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/traverser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   |                 ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Visitor`
[INFO] [stderr]  --> src/traverser.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Visitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `traverse`
[INFO] [stderr]  --> src/traverser.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |             'a'...'z' | 'A'...'Z' => {
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 while let Some(&'a'...'z') = chars_.clone().peekable().peek() {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |             '0'...'9' => {
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/tokenizer.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 while let Some(&'0'...'9') = chars_.clone().peekable().peek() {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/traverser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn traverse(ast: ::parser::Node) {
[INFO] [stderr]   |                 ^^^ help: consider prefixing with an underscore: `_ast`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Visitor`
[INFO] [stderr]  --> src/traverser.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Visitor {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "4d1ff058797dd69c9a846a9999a31424bf98e67956b058ecb6930c3f4b50f3ef"`
[INFO] running `"docker" "rm" "-f" "4d1ff058797dd69c9a846a9999a31424bf98e67956b058ecb6930c3f4b50f3ef"`
[INFO] [stdout] 4d1ff058797dd69c9a846a9999a31424bf98e67956b058ecb6930c3f4b50f3ef