[INFO] updating cached repository jasonwhite/button-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasonwhite/button-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9c9762666860ca6fe8a3e34f9dd0d7db53de7d1
[INFO] sha for GitHub repo jasonwhite/button-rs: b9c9762666860ca6fe8a3e34f9dd0d7db53de7d1
[INFO] validating manifest of jasonwhite/button-rs on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jasonwhite/button-rs on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jasonwhite/button-rs/Cargo.toml
[INFO] started frobbing jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/jasonwhite/button-rs/Cargo.toml
[INFO] crate jasonwhite/button-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking jasonwhite/button-rs against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-5/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/jasonwhite/button-rs:/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4b6848ef1f640d4364c76be90d412ecde2e481dcf6dd01d19706b540fbd89d5
[INFO] running `"docker" "start" "-a" "f4b6848ef1f640d4364c76be90d412ecde2e481dcf6dd01d19706b540fbd89d5"`
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking os_pipe v0.8.1
[INFO] [stderr]     Checking tokio-serde v0.3.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking bincode v1.1.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking holyhashmap v0.1.2
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio v0.1.16
[INFO] [stderr]     Checking tokio-serde-bincode v0.2.1
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.11
[INFO] [stderr]     Checking button v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Indexable` is imported redundantly
[INFO] [stderr]    --> src/button/build_graph.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 28  |     Algo, Edges, Graph, GraphBase, Graphviz, Indexable, Neighbors, NodeIndex,
[INFO] [stderr]     |                                              --------- the item `Indexable` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use crate::graph::Indexable;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Indexable` is imported redundantly
[INFO] [stderr]    --> src/button/build_graph.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 28  |     Algo, Edges, Graph, GraphBase, Graphviz, Indexable, Neighbors, NodeIndex,
[INFO] [stderr]     |                                              --------- the item `Indexable` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use crate::graph::Indexable;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.19s
[INFO] running `"docker" "inspect" "f4b6848ef1f640d4364c76be90d412ecde2e481dcf6dd01d19706b540fbd89d5"`
[INFO] running `"docker" "rm" "-f" "f4b6848ef1f640d4364c76be90d412ecde2e481dcf6dd01d19706b540fbd89d5"`
[INFO] [stdout] f4b6848ef1f640d4364c76be90d412ecde2e481dcf6dd01d19706b540fbd89d5