[INFO] updating cached repository ashfordneil/looker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashfordneil/looker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac0ea2a5732e4c85092f1306650f517a38a32a67
[INFO] sha for GitHub repo ashfordneil/looker: ac0ea2a5732e4c85092f1306650f517a38a32a67
[INFO] validating manifest of ashfordneil/looker on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashfordneil/looker on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/ashfordneil/looker/Cargo.toml
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ashfordneil/looker/Cargo.toml
[INFO] crate ashfordneil/looker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashfordneil/looker against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/ashfordneil/looker:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 381888d91dad485ddfc31dc1e0640369fcbbc132646ac40be888f65ebf27763a
[INFO] running `"docker" "start" "-a" "381888d91dad485ddfc31dc1e0640369fcbbc132646ac40be888f65ebf27763a"`
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking census v0.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossterm_utils v0.2.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bitpacking v0.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking crossterm_screen v0.2.1
[INFO] [stderr]     Checking crossterm_cursor v0.2.1
[INFO] [stderr]     Checking crossterm_style v0.3.1
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking atomicwrites v0.2.2
[INFO] [stderr]     Checking fail v0.2.1
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.3.1
[INFO] [stderr]     Checking crossterm_terminal v0.2.1
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking crossterm v0.9.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking rental v0.5.3
[INFO] [stderr]     Checking owned-read v0.4.0
[INFO] [stderr]     Checking tantivy v0.9.1
[INFO] [stderr]     Checking looker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/lexer.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{error, warn};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/lexer.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use log::{error, warn};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `"docker" "inspect" "381888d91dad485ddfc31dc1e0640369fcbbc132646ac40be888f65ebf27763a"`
[INFO] running `"docker" "rm" "-f" "381888d91dad485ddfc31dc1e0640369fcbbc132646ac40be888f65ebf27763a"`
[INFO] [stdout] 381888d91dad485ddfc31dc1e0640369fcbbc132646ac40be888f65ebf27763a