[INFO] updating cached repository BrandtM/cargo-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BrandtM/cargo-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BrandtM/cargo-example" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/BrandtM/cargo-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/BrandtM/cargo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BrandtM/cargo-example" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/BrandtM/cargo-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/BrandtM/cargo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b69cd369f1e4376d4d617e8a944eab463bb436fa
[INFO] sha for GitHub repo BrandtM/cargo-example: b69cd369f1e4376d4d617e8a944eab463bb436fa
[INFO] validating manifest of BrandtM/cargo-example 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 BrandtM/cargo-example 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 BrandtM/cargo-example
[INFO] finished frobbing BrandtM/cargo-example
[INFO] frobbed toml for BrandtM/cargo-example written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/BrandtM/cargo-example/Cargo.toml
[INFO] started frobbing BrandtM/cargo-example
[INFO] finished frobbing BrandtM/cargo-example
[INFO] frobbed toml for BrandtM/cargo-example written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/BrandtM/cargo-example/Cargo.toml
[INFO] crate BrandtM/cargo-example 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 BrandtM/cargo-example 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/BrandtM/cargo-example:/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] 189a1b6797904fb1bd9715437fd04b9de35fdf9d8ea39aefacdfc93a1cd42b93
[INFO] running `"docker" "start" "-a" "189a1b6797904fb1bd9715437fd04b9de35fdf9d8ea39aefacdfc93a1cd42b93"`
[INFO] [stderr]    Compiling regex v1.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking libssh2-sys v0.2.11
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking libgit2-sys v0.8.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking git2 v0.9.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking cargo-example v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut cache_path: Option<String>;
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut cache_path: Option<String>;
[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 26s
[INFO] running `"docker" "inspect" "189a1b6797904fb1bd9715437fd04b9de35fdf9d8ea39aefacdfc93a1cd42b93"`
[INFO] running `"docker" "rm" "-f" "189a1b6797904fb1bd9715437fd04b9de35fdf9d8ea39aefacdfc93a1cd42b93"`
[INFO] [stdout] 189a1b6797904fb1bd9715437fd04b9de35fdf9d8ea39aefacdfc93a1cd42b93