[INFO] updating cached repository flammel/rustasata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flammel/rustasata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flammel/rustasata" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/flammel/rustasata"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/flammel/rustasata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flammel/rustasata" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/flammel/rustasata"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/flammel/rustasata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef02642a60bda40deaa415b2b91f357230d853d3
[INFO] sha for GitHub repo flammel/rustasata: ef02642a60bda40deaa415b2b91f357230d853d3
[INFO] validating manifest of flammel/rustasata 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 flammel/rustasata 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 flammel/rustasata
[INFO] finished frobbing flammel/rustasata
[INFO] frobbed toml for flammel/rustasata written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/flammel/rustasata/Cargo.toml
[INFO] started frobbing flammel/rustasata
[INFO] finished frobbing flammel/rustasata
[INFO] frobbed toml for flammel/rustasata written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/flammel/rustasata/Cargo.toml
[INFO] crate flammel/rustasata 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 flammel/rustasata against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/flammel/rustasata:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3899e54f2ae049bc5a3840815c584d3e64278a9acd93a76b991252c62161a35f
[INFO] running `"docker" "start" "-a" "3899e54f2ae049bc5a3840815c584d3e64278a9acd93a76b991252c62161a35f"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking fern v0.5.6
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking priority-queue v0.5.2
[INFO] [stderr]     Checking rustasata v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/solver.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let mut clauses = self
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/solver.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 let mut clauses = self
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "3899e54f2ae049bc5a3840815c584d3e64278a9acd93a76b991252c62161a35f"`
[INFO] running `"docker" "rm" "-f" "3899e54f2ae049bc5a3840815c584d3e64278a9acd93a76b991252c62161a35f"`
[INFO] [stdout] 3899e54f2ae049bc5a3840815c584d3e64278a9acd93a76b991252c62161a35f