[INFO] updating cached repository jhartwell/expelcss
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jhartwell/expelcss
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jhartwell/expelcss" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jhartwell/expelcss"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jhartwell/expelcss'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jhartwell/expelcss" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jhartwell/expelcss"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jhartwell/expelcss'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 721f01731782c2a9f24b13d358a77b784f15cf6b
[INFO] sha for GitHub repo jhartwell/expelcss: 721f01731782c2a9f24b13d358a77b784f15cf6b
[INFO] validating manifest of jhartwell/expelcss on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jhartwell/expelcss on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jhartwell/expelcss
[INFO] finished frobbing jhartwell/expelcss
[INFO] frobbed toml for jhartwell/expelcss written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jhartwell/expelcss/Cargo.toml
[INFO] started frobbing jhartwell/expelcss
[INFO] finished frobbing jhartwell/expelcss
[INFO] frobbed toml for jhartwell/expelcss written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jhartwell/expelcss/Cargo.toml
[INFO] crate jhartwell/expelcss has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jhartwell/expelcss against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jhartwell/expelcss:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6073ed766d3eda4cc12462274692305f1320657f6ccabc5986ebf47f014e042
[INFO] running `"docker" "start" "-a" "d6073ed766d3eda4cc12462274692305f1320657f6ccabc5986ebf47f014e042"`
[INFO] [stderr]     Checking ecss v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> src/html.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             i = match &contents[i..next] {
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `start_quotes` is assigned to, but never used
[INFO] [stderr]    --> src/html.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let mut start_quotes = false;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_start_quotes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `start_quotes` is never read
[INFO] [stderr]    --> src/html.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 |                             start_quotes = true;
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `start_quotes` is assigned to, but never used
[INFO] [stderr]    --> src/html.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let mut start_quotes = false;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_start_quotes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `start_quotes` is never read
[INFO] [stderr]    --> src/html.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |                             start_quotes = true;
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/html.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             i = match &contents[i..next] {
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> src/html.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             i = match &contents[i..next] {
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `start_quotes` is assigned to, but never used
[INFO] [stderr]    --> src/html.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let mut start_quotes = false;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_start_quotes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `start_quotes` is never read
[INFO] [stderr]    --> src/html.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 |                             start_quotes = true;
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `start_quotes` is assigned to, but never used
[INFO] [stderr]    --> src/html.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let mut start_quotes = false;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_start_quotes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `start_quotes` is never read
[INFO] [stderr]    --> src/html.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |                             start_quotes = true;
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/html.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             i = match &contents[i..next] {
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "d6073ed766d3eda4cc12462274692305f1320657f6ccabc5986ebf47f014e042"`
[INFO] running `"docker" "rm" "-f" "d6073ed766d3eda4cc12462274692305f1320657f6ccabc5986ebf47f014e042"`
[INFO] [stdout] d6073ed766d3eda4cc12462274692305f1320657f6ccabc5986ebf47f014e042