[INFO] updating cached repository lutostag/pincers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lutostag/pincers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lutostag/pincers" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lutostag/pincers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lutostag/pincers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lutostag/pincers" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lutostag/pincers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lutostag/pincers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9218e7996836d82e5563623ff9e56d34978a8013
[INFO] sha for GitHub repo lutostag/pincers: 9218e7996836d82e5563623ff9e56d34978a8013
[INFO] validating manifest of lutostag/pincers 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 lutostag/pincers 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 lutostag/pincers
[INFO] finished frobbing lutostag/pincers
[INFO] frobbed toml for lutostag/pincers written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lutostag/pincers/Cargo.toml
[INFO] started frobbing lutostag/pincers
[INFO] finished frobbing lutostag/pincers
[INFO] frobbed toml for lutostag/pincers written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lutostag/pincers/Cargo.toml
[INFO] crate lutostag/pincers 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 lutostag/pincers against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lutostag/pincers:/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] 4a899b4faf41c598b8f8ab54c659f7be9eb3d0f857943b8b068d961efc05c97a
[INFO] running `"docker" "start" "-a" "4a899b4faf41c598b8f8ab54c659f7be9eb3d0f857943b8b068d961efc05c97a"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.22
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking encoding_rs v0.8.10
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking openssl-sys v0.9.39
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking sha-1 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking pincers v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashing.rs:24:64
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn digest(hash: HashType, bits: Option<u16>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:64
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn hash_instance(algo: &str, sum: &Option<&str>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn compute_hash(mut digest: Box<DynDigest>, body: &[u8]) -> String {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashing.rs:24:64
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn digest(hash: HashType, bits: Option<u16>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:64
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn hash_instance(algo: &str, sum: &Option<&str>) -> Result<Box<DynDigest>, Error> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn compute_hash(mut digest: Box<DynDigest>, body: &[u8]) -> String {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn DynDigest`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.60s
[INFO] running `"docker" "inspect" "4a899b4faf41c598b8f8ab54c659f7be9eb3d0f857943b8b068d961efc05c97a"`
[INFO] running `"docker" "rm" "-f" "4a899b4faf41c598b8f8ab54c659f7be9eb3d0f857943b8b068d961efc05c97a"`
[INFO] [stdout] 4a899b4faf41c598b8f8ab54c659f7be9eb3d0f857943b8b068d961efc05c97a