[INFO] updating cached repository duytai/slint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/duytai/slint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/duytai/slint" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/duytai/slint"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/duytai/slint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/duytai/slint" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/duytai/slint"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/duytai/slint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b21985185ab7ba0ed7ed764aafdead30bff25d67
[INFO] sha for GitHub repo duytai/slint: b21985185ab7ba0ed7ed764aafdead30bff25d67
[INFO] validating manifest of duytai/slint on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of duytai/slint on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing duytai/slint
[INFO] finished frobbing duytai/slint
[INFO] frobbed toml for duytai/slint written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/duytai/slint/Cargo.toml
[INFO] started frobbing duytai/slint
[INFO] finished frobbing duytai/slint
[INFO] frobbed toml for duytai/slint written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/duytai/slint/Cargo.toml
[INFO] crate duytai/slint already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking duytai/slint against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/duytai/slint:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d36b548c61d282bfb361b0ff63611185e62eccd4e5f7a2b8cde6d1cc7de7e136
[INFO] running `"docker" "start" "-a" "d36b548c61d282bfb361b0ff63611185e62eccd4e5f7a2b8cde6d1cc7de7e136"`
[INFO] [stderr]     Checking slint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/tree.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{ HashMap };
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/tree.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{ HashMap };
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/rule/block_timestamp.rs:62:19
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn fix(&self, source: &str) -> Vec<String> {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_string`
[INFO] [stderr]   --> src/rule/integer_overflow.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let type_string = node["typeDescriptions"]["typeString"].as_str().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/rule/block_timestamp.rs:62:19
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn fix(&self, source: &str) -> Vec<String> {
[INFO] [stderr]    |                   ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_string`
[INFO] [stderr]   --> src/rule/integer_overflow.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let type_string = node["typeDescriptions"]["typeString"].as_str().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_type_string`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/tree.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `past_lib_level`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     past_lib_level: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `has_safemath`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     has_safemath: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/tree.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `past_lib_level`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     past_lib_level: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `has_safemath`
[INFO] [stderr]  --> src/rule/integer_overflow.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     has_safemath: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "d36b548c61d282bfb361b0ff63611185e62eccd4e5f7a2b8cde6d1cc7de7e136"`
[INFO] running `"docker" "rm" "-f" "d36b548c61d282bfb361b0ff63611185e62eccd4e5f7a2b8cde6d1cc7de7e136"`
[INFO] [stdout] d36b548c61d282bfb361b0ff63611185e62eccd4e5f7a2b8cde6d1cc7de7e136