[INFO] updating cached repository NatTuck/rust-repeats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NatTuck/rust-repeats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NatTuck/rust-repeats" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NatTuck/rust-repeats"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NatTuck/rust-repeats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NatTuck/rust-repeats" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NatTuck/rust-repeats"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NatTuck/rust-repeats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f00a8cd02ec9347f62bee1531a0362aca5bd7f8
[INFO] sha for GitHub repo NatTuck/rust-repeats: 1f00a8cd02ec9347f62bee1531a0362aca5bd7f8
[INFO] validating manifest of NatTuck/rust-repeats on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of NatTuck/rust-repeats on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing NatTuck/rust-repeats
[INFO] finished frobbing NatTuck/rust-repeats
[INFO] frobbed toml for NatTuck/rust-repeats written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NatTuck/rust-repeats/Cargo.toml
[INFO] started frobbing NatTuck/rust-repeats
[INFO] finished frobbing NatTuck/rust-repeats
[INFO] frobbed toml for NatTuck/rust-repeats written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NatTuck/rust-repeats/Cargo.toml
[INFO] crate NatTuck/rust-repeats already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking NatTuck/rust-repeats against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NatTuck/rust-repeats:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d977b704432a0a786c9f99919b40ef2c9c5103b087ac3da9e786d580380731b1
[INFO] running `"docker" "start" "-a" "d977b704432a0a786c9f99919b40ef2c9c5103b087ac3da9e786d580380731b1"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Checking repeats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "d977b704432a0a786c9f99919b40ef2c9c5103b087ac3da9e786d580380731b1"`
[INFO] running `"docker" "rm" "-f" "d977b704432a0a786c9f99919b40ef2c9c5103b087ac3da9e786d580380731b1"`
[INFO] [stdout] d977b704432a0a786c9f99919b40ef2c9c5103b087ac3da9e786d580380731b1