[INFO] fetching crate trait_enum 0.3.0...
[INFO] checking trait_enum-0.3.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate trait_enum 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trait_enum 0.3.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trait_enum 0.3.0
[INFO] finished tweaking crates.io crate trait_enum 0.3.0
[INFO] tweaked toml for crates.io crate trait_enum 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6b6ab94317368ee8a55839b470d8f5f703855fff3e4a997151450739320cf0
[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" "cf6b6ab94317368ee8a55839b470d8f5f703855fff3e4a997151450739320cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6b6ab94317368ee8a55839b470d8f5f703855fff3e4a997151450739320cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6b6ab94317368ee8a55839b470d8f5f703855fff3e4a997151450739320cf0", kill_on_drop: false }`
[INFO] [stdout] cf6b6ab94317368ee8a55839b470d8f5f703855fff3e4a997151450739320cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89bf9099020895de03edb8f3e08c4226dd0fd2f5c9b11ca9381abe59068e9b0a
[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" "89bf9099020895de03edb8f3e08c4226dd0fd2f5c9b11ca9381abe59068e9b0a", kill_on_drop: false }`
[INFO] [stderr]     Checking trait_enum v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub enum Combined: CommonTrait {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn CommonTrait`
[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/lib.rs:218:43
[INFO] [stdout]     |
[INFO] [stdout] 218 |               fn deref(&self) -> &($Trait + 'static) {
[INFO] [stdout]     |                                             ^^^^^^^ help: use `dyn`: `dyn 'static`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / trait_enum! {
[INFO] [stdout] 22  | |     pub enum Combined: CommonTrait {
[INFO] [stdout] 23  | |         InnerOne,
[INFO] [stdout] 24  | |         InnerTwo
[INFO] [stdout] 25  | |     }
[INFO] [stdout] 26  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub enum Combined: CommonTrait {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn CommonTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:228:55
[INFO] [stdout]     |
[INFO] [stdout] 228 |               fn deref_mut(&mut self) -> &mut ($Trait + 'static) {
[INFO] [stdout]     |                                                         ^^^^^^^ help: use `dyn`: `dyn 'static`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/test.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout] 21  | / trait_enum! {
[INFO] [stdout] 22  | |     pub enum Combined: CommonTrait {
[INFO] [stdout] 23  | |         InnerOne,
[INFO] [stdout] 24  | |         InnerTwo
[INFO] [stdout] 25  | |     }
[INFO] [stdout] 26  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let deref: &CommonTrait = combined.deref();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn CommonTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let deref: &CommonTrait = combined.deref();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn CommonTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "89bf9099020895de03edb8f3e08c4226dd0fd2f5c9b11ca9381abe59068e9b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bf9099020895de03edb8f3e08c4226dd0fd2f5c9b11ca9381abe59068e9b0a", kill_on_drop: false }`
[INFO] [stdout] 89bf9099020895de03edb8f3e08c4226dd0fd2f5c9b11ca9381abe59068e9b0a