[INFO] fetching crate predicates-core 1.0.0...
[INFO] testing predicates-core-1.0.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate predicates-core 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate predicates-core 1.0.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate predicates-core 1.0.0
[INFO] finished tweaking crates.io crate predicates-core 1.0.0
[INFO] tweaked toml for crates.io crate predicates-core 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda90e7188009ba3f4e27c646f3ed5a7d6dbdbc53c45fd3bffb374f2d852f569
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cda90e7188009ba3f4e27c646f3ed5a7d6dbdbc53c45fd3bffb374f2d852f569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda90e7188009ba3f4e27c646f3ed5a7d6dbdbc53c45fd3bffb374f2d852f569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda90e7188009ba3f4e27c646f3ed5a7d6dbdbc53c45fd3bffb374f2d852f569", kill_on_drop: false }`
[INFO] [stdout] cda90e7188009ba3f4e27c646f3ed5a7d6dbdbc53c45fd3bffb374f2d852f569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c1a1939e09dcdeccebdda14e33d3ef8c2152978cace09443c2a40bd491afe9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c1a1939e09dcdeccebdda14e33d3ef8c2152978cace09443c2a40bd491afe9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parameters<'a>(&'a self) -> Box<Iterator<Item = Parameter<'a>> + 'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Parameter<'a>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn children<'a>(&'a self) -> Box<Iterator<Item = Child<'a>> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Child<'a>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Parameter<'a>(&'a str, &'a fmt::Display);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(key: &'a str, value: &'a fmt::Display) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Child<'a>(&'a str, &'a PredicateReflection);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(key: &'a str, value: &'a PredicateReflection) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn value(&self) -> &PredicateReflection {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     predicate: Option<&'a PredicateReflection>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:111:38
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn new(predicate: Option<&'a PredicateReflection>, result: bool) -> Self {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:133:40
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn predicate(&self) -> Option<&PredicateReflection> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:223:51
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct Product(borrow::Cow<'static, str>, Box<fmt::Display>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7c1a1939e09dcdeccebdda14e33d3ef8c2152978cace09443c2a40bd491afe9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1a1939e09dcdeccebdda14e33d3ef8c2152978cace09443c2a40bd491afe9f", kill_on_drop: false }`
[INFO] [stdout] 7c1a1939e09dcdeccebdda14e33d3ef8c2152978cace09443c2a40bd491afe9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a057cea05c43c8b5dbcd686cfc2c0c97bea87ea8f51a3e0bb4d89d5313af18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1a057cea05c43c8b5dbcd686cfc2c0c97bea87ea8f51a3e0bb4d89d5313af18", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parameters<'a>(&'a self) -> Box<Iterator<Item = Parameter<'a>> + 'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Parameter<'a>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn children<'a>(&'a self) -> Box<Iterator<Item = Child<'a>> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Child<'a>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Parameter<'a>(&'a str, &'a fmt::Display);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(key: &'a str, value: &'a fmt::Display) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Child<'a>(&'a str, &'a PredicateReflection);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(key: &'a str, value: &'a PredicateReflection) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn value(&self) -> &PredicateReflection {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     predicate: Option<&'a PredicateReflection>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:111:38
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn new(predicate: Option<&'a PredicateReflection>, result: bool) -> Self {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:133:40
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn predicate(&self) -> Option<&PredicateReflection> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:223:51
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct Product(borrow::Cow<'static, str>, Box<fmt::Display>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parameters<'a>(&'a self) -> Box<Iterator<Item = Parameter<'a>> + 'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Parameter<'a>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn children<'a>(&'a self) -> Box<Iterator<Item = Child<'a>> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Child<'a>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Parameter<'a>(&'a str, &'a fmt::Display);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(key: &'a str, value: &'a fmt::Display) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Child<'a>(&'a str, &'a PredicateReflection);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn new(key: &'a str, value: &'a PredicateReflection) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reflection.rs:84:29
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn value(&self) -> &PredicateReflection {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     predicate: Option<&'a PredicateReflection>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:111:38
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn new(predicate: Option<&'a PredicateReflection>, result: bool) -> Self {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:133:40
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn predicate(&self) -> Option<&PredicateReflection> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PredicateReflection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:223:51
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct Product(borrow::Cow<'static, str>, Box<fmt::Display>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reflection.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn value(&self) -> &fmt::Display {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f1a057cea05c43c8b5dbcd686cfc2c0c97bea87ea8f51a3e0bb4d89d5313af18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a057cea05c43c8b5dbcd686cfc2c0c97bea87ea8f51a3e0bb4d89d5313af18", kill_on_drop: false }`
[INFO] [stdout] f1a057cea05c43c8b5dbcd686cfc2c0c97bea87ea8f51a3e0bb4d89d5313af18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d693039c0d4ffa3d354e8e52ae7de859a17a8f3a738e133cd3224be26ae499c
[INFO] running `Command { std: "docker" "start" "-a" "7d693039c0d4ffa3d354e8e52ae7de859a17a8f3a738e133cd3224be26ae499c", kill_on_drop: false }`
[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] warning: 13 warnings emitted
[INFO] [stderr] 
[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] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/predicates_core-1a8e6bddfe325d47
[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::Product (line 215) ... ok
[INFO] [stdout] test src/reflection.rs - reflection::Parameter (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d693039c0d4ffa3d354e8e52ae7de859a17a8f3a738e133cd3224be26ae499c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d693039c0d4ffa3d354e8e52ae7de859a17a8f3a738e133cd3224be26ae499c", kill_on_drop: false }`
[INFO] [stdout] 7d693039c0d4ffa3d354e8e52ae7de859a17a8f3a738e133cd3224be26ae499c
