[INFO] updating cached repository avalarin/rust-pipeline
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avalarin/rust-pipeline
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avalarin/rust-pipeline" "work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avalarin/rust-pipeline" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avalarin/rust-pipeline"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avalarin/rust-pipeline'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f940ef3104102719ce59aaa07c8a358f2e5310c
[INFO] sha for GitHub repo avalarin/rust-pipeline: 5f940ef3104102719ce59aaa07c8a358f2e5310c
[INFO] validating manifest of avalarin/rust-pipeline on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avalarin/rust-pipeline on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing avalarin/rust-pipeline
[INFO] finished frobbing avalarin/rust-pipeline
[INFO] frobbed toml for avalarin/rust-pipeline written to work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline/Cargo.toml
[INFO] started frobbing avalarin/rust-pipeline
[INFO] finished frobbing avalarin/rust-pipeline
[INFO] frobbed toml for avalarin/rust-pipeline written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/avalarin/rust-pipeline/Cargo.toml
[INFO] crate avalarin/rust-pipeline already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing avalarin/rust-pipeline against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b4f653a18eab645e1cf835db24e03dea98f567c6eaa7fcfb083b41f0a89d6652
[INFO] running `"docker" "start" "-a" "b4f653a18eab645e1cf835db24e03dea98f567c6eaa7fcfb083b41f0a89d6652"`
[INFO] [stderr]    Compiling rust-pipeline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn build(&self) -> Arc<Pipeline<T>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[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/types.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:4:73
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:7:49
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn call(&self, context: T) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |     next: Arc<Pipeline<T>>
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:16:58
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(func: Arc<PipelineFunction<T>>, next: Arc<Pipeline<T>>) -> Self {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn call(&self, context: T) -> Result<T, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn call(&self, context: T) -> Result<T, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn a(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<Context>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:77
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn a(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn b(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<Context>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:77
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn b(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "b4f653a18eab645e1cf835db24e03dea98f567c6eaa7fcfb083b41f0a89d6652"`
[INFO] running `"docker" "rm" "-f" "b4f653a18eab645e1cf835db24e03dea98f567c6eaa7fcfb083b41f0a89d6652"`
[INFO] [stdout] b4f653a18eab645e1cf835db24e03dea98f567c6eaa7fcfb083b41f0a89d6652
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec151fce5bdf1b0d1995119cf03a06436d21d24db5def8e86e63536c44218921
[INFO] running `"docker" "start" "-a" "ec151fce5bdf1b0d1995119cf03a06436d21d24db5def8e86e63536c44218921"`
[INFO] [stderr]    Compiling rust-pipeline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn build(&self) -> Arc<Pipeline<T>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[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/types.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:4:73
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type PipelineFunction<T> = Fn(T, Arc<Pipeline<T>>) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/types.rs:7:49
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn call(&self, context: T) -> Result<T, Box<Error>>;
[INFO] [stderr]   |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |     next: Arc<Pipeline<T>>
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:16:58
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(func: Arc<PipelineFunction<T>>, next: Arc<Pipeline<T>>) -> Self {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn call(&self, context: T) -> Result<T, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn call(&self, context: T) -> Result<T, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn a(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<Context>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:77
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn a(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn b(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Pipeline<Context>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:77
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn b(context: Context, next: Arc<Pipeline<Context>>) -> Result<Context, Box<Error>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "ec151fce5bdf1b0d1995119cf03a06436d21d24db5def8e86e63536c44218921"`
[INFO] running `"docker" "rm" "-f" "ec151fce5bdf1b0d1995119cf03a06436d21d24db5def8e86e63536c44218921"`
[INFO] [stdout] ec151fce5bdf1b0d1995119cf03a06436d21d24db5def8e86e63536c44218921
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/avalarin/rust-pipeline:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 838fe316640e43133577f1aef428be65639e562e76fad733beae17e77b72365e
[INFO] running `"docker" "start" "-a" "838fe316640e43133577f1aef428be65639e562e76fad733beae17e77b72365e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_pipeline-505150dca3c8606c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "838fe316640e43133577f1aef428be65639e562e76fad733beae17e77b72365e"`
[INFO] running `"docker" "rm" "-f" "838fe316640e43133577f1aef428be65639e562e76fad733beae17e77b72365e"`
[INFO] [stdout] 838fe316640e43133577f1aef428be65639e562e76fad733beae17e77b72365e