[INFO] fetching crate predicates-core 1.0.0...
[INFO] checking predicates-core-1.0.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate predicates-core 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate predicates-core 1.0.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b3b5a0ae6c0b901d43c51c7e96db1ea1b90d66d0ba842da0482cfc9eb2e0343
[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" "1b3b5a0ae6c0b901d43c51c7e96db1ea1b90d66d0ba842da0482cfc9eb2e0343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3b5a0ae6c0b901d43c51c7e96db1ea1b90d66d0ba842da0482cfc9eb2e0343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3b5a0ae6c0b901d43c51c7e96db1ea1b90d66d0ba842da0482cfc9eb2e0343", kill_on_drop: false }`
[INFO] [stdout] 1b3b5a0ae6c0b901d43c51c7e96db1ea1b90d66d0ba842da0482cfc9eb2e0343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d691f8470d38b42a8b785e59fe00fe769fa07da3b79d90a1af00772fd3ebaa70
[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" "d691f8470d38b42a8b785e59fe00fe769fa07da3b79d90a1af00772fd3ebaa70", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d691f8470d38b42a8b785e59fe00fe769fa07da3b79d90a1af00772fd3ebaa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d691f8470d38b42a8b785e59fe00fe769fa07da3b79d90a1af00772fd3ebaa70", kill_on_drop: false }`
[INFO] [stdout] d691f8470d38b42a8b785e59fe00fe769fa07da3b79d90a1af00772fd3ebaa70