[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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] sha for GitHub repo ashfordneil/looker: 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] validating manifest of ashfordneil/looker on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashfordneil/looker on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashfordneil/looker against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bead88f05aa49bb3925579734fd7db03e692efafcc37ad18e2a7f5742e53fb5c
[INFO] running `"docker" "start" "-a" "bead88f05aa49bb3925579734fd7db03e692efafcc37ad18e2a7f5742e53fb5c"`
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking fail v0.2.1
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking atomicwrites v0.2.2
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking structopt v0.2.15
[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: `TokenStream`
[INFO] [stderr]   --> src/search.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokenizer::{TokenStream, Tokenizer},
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenStream`
[INFO] [stderr]   --> src/search.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokenizer::{TokenStream, Tokenizer},
[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 03s
[INFO] running `"docker" "inspect" "bead88f05aa49bb3925579734fd7db03e692efafcc37ad18e2a7f5742e53fb5c"`
[INFO] running `"docker" "rm" "-f" "bead88f05aa49bb3925579734fd7db03e692efafcc37ad18e2a7f5742e53fb5c"`
[INFO] [stdout] bead88f05aa49bb3925579734fd7db03e692efafcc37ad18e2a7f5742e53fb5c