[INFO] crate predicates-core 1.0.0 is already in cache
[INFO] extracting crate predicates-core 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/predicates-core/1.0.0
[INFO] extracting crate predicates-core 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/predicates-core/1.0.0
[INFO] validating manifest of predicates-core-1.0.0 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 predicates-core-1.0.0 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 predicates-core-1.0.0
[INFO] finished frobbing predicates-core-1.0.0
[INFO] frobbed toml for predicates-core-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/predicates-core/1.0.0/Cargo.toml
[INFO] started frobbing predicates-core-1.0.0
[INFO] finished frobbing predicates-core-1.0.0
[INFO] frobbed toml for predicates-core-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/predicates-core/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 predicates-core-1.0.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/predicates-core/1.0.0:/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] b543a93caccd4449eb17ed66ca7b0b834d3fcefe060b2d3f21109434e7d49a5c
[INFO] running `"docker" "start" "-a" "b543a93caccd4449eb17ed66ca7b0b834d3fcefe060b2d3f21109434e7d49a5c"`
[INFO] [stderr]    Compiling predicates-core v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn parameters<'a>(&'a self) -> Box<Iterator<Item = Parameter<'a>> + 'a> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Parameter<'a>> + 'a`
[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/reflection.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn children<'a>(&'a self) -> Box<Iterator<Item = Child<'a>> + 'a> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Child<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Parameter<'a>(&'a str, &'a fmt::Display);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new(key: &'a str, value: &'a fmt::Display) -> Self {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:70:35
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct Child<'a>(&'a str, &'a PredicateReflection);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn new(key: &'a str, value: &'a PredicateReflection) -> Self {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:84:29
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn value(&self) -> &PredicateReflection {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:103:27
[INFO] [stderr]     |
[INFO] [stderr] 103 |     predicate: Option<&'a PredicateReflection>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new(predicate: Option<&'a PredicateReflection>, result: bool) -> Self {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:133:40
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn predicate(&self) -> Option<&PredicateReflection> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:223:51
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub struct Product(borrow::Cow<'static, str>, Box<fmt::Display>);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:244:29
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "b543a93caccd4449eb17ed66ca7b0b834d3fcefe060b2d3f21109434e7d49a5c"`
[INFO] running `"docker" "rm" "-f" "b543a93caccd4449eb17ed66ca7b0b834d3fcefe060b2d3f21109434e7d49a5c"`
[INFO] [stdout] b543a93caccd4449eb17ed66ca7b0b834d3fcefe060b2d3f21109434e7d49a5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/predicates-core/1.0.0:/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] af524bfdd819869df49241aa239792603c8c115b64b89089f8d62bd49ffd591a
[INFO] running `"docker" "start" "-a" "af524bfdd819869df49241aa239792603c8c115b64b89089f8d62bd49ffd591a"`
[INFO] [stderr]    Compiling predicates-core v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn parameters<'a>(&'a self) -> Box<Iterator<Item = Parameter<'a>> + 'a> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Parameter<'a>> + 'a`
[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/reflection.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn children<'a>(&'a self) -> Box<Iterator<Item = Child<'a>> + 'a> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Child<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Parameter<'a>(&'a str, &'a fmt::Display);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new(key: &'a str, value: &'a fmt::Display) -> Self {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:70:35
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub struct Child<'a>(&'a str, &'a PredicateReflection);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn new(key: &'a str, value: &'a PredicateReflection) -> Self {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reflection.rs:84:29
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn value(&self) -> &PredicateReflection {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:103:27
[INFO] [stderr]     |
[INFO] [stderr] 103 |     predicate: Option<&'a PredicateReflection>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn new(predicate: Option<&'a PredicateReflection>, result: bool) -> Self {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:133:40
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn predicate(&self) -> Option<&PredicateReflection> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:223:51
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub struct Product(borrow::Cow<'static, str>, Box<fmt::Display>);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reflection.rs:244:29
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "af524bfdd819869df49241aa239792603c8c115b64b89089f8d62bd49ffd591a"`
[INFO] running `"docker" "rm" "-f" "af524bfdd819869df49241aa239792603c8c115b64b89089f8d62bd49ffd591a"`
[INFO] [stdout] af524bfdd819869df49241aa239792603c8c115b64b89089f8d62bd49ffd591a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/predicates-core/1.0.0:/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] 4acb459d00d01afe4fb2c92ef5cbdefe2308e3948ad32420d475d4c133437c7a
[INFO] running `"docker" "start" "-a" "4acb459d00d01afe4fb2c92ef5cbdefe2308e3948ad32420d475d4c133437c7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/predicates_core-c060887f888d7c75
[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] [stderr]    Doc-tests predicates-core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/reflection.rs - reflection::Parameter (line 32) ... ok
[INFO] [stdout] test src/reflection.rs - reflection::Product (line 215) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4acb459d00d01afe4fb2c92ef5cbdefe2308e3948ad32420d475d4c133437c7a"`
[INFO] running `"docker" "rm" "-f" "4acb459d00d01afe4fb2c92ef5cbdefe2308e3948ad32420d475d4c133437c7a"`
[INFO] [stdout] 4acb459d00d01afe4fb2c92ef5cbdefe2308e3948ad32420d475d4c133437c7a