[INFO] fetching crate detrojt 0.1.1...
[INFO] checking detrojt-0.1.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate detrojt 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate detrojt 0.1.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate detrojt 0.1.1
[INFO] finished tweaking crates.io crate detrojt 0.1.1
[INFO] tweaked toml for crates.io crate detrojt 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c46a5faa1570c61a826b7078632fd4a29bec8958fa7bc08e45ecbb7968c3f793
[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" "c46a5faa1570c61a826b7078632fd4a29bec8958fa7bc08e45ecbb7968c3f793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46a5faa1570c61a826b7078632fd4a29bec8958fa7bc08e45ecbb7968c3f793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46a5faa1570c61a826b7078632fd4a29bec8958fa7bc08e45ecbb7968c3f793", kill_on_drop: false }`
[INFO] [stdout] c46a5faa1570c61a826b7078632fd4a29bec8958fa7bc08e45ecbb7968c3f793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7900ec242dbd2d8574267a35661f4c5aadc8f258a5bf3d56c31531728ecd23dc
[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" "7900ec242dbd2d8574267a35661f4c5aadc8f258a5bf3d56c31531728ecd23dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking detrojt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde.rs:81:65
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn inter_serialize<T: Serialize>(t: &T) -> Result<Self, Box<Error>>;
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[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/serde.rs:85:65
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn inter_serialize<T: Serialize>(t: &T) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde.rs:95:52
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn inter_deserialize<T>(self) -> Result<T, Box<Error>>
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:100:52
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn inter_deserialize<T>(self) -> Result<T, Box<Error>>
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_inner(&self) -> Result<S, Box<Error>>;
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:150:48
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn serialize_inner(&self) -> Result<S, Box<Error>> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:173:73
[INFO] [stdout]     |
[INFO] [stdout] 173 | struct TraitObjDeserializer<U>(fn(U::InterDeserialize) -> Result<U, Box<Error>>)
[INFO] [stdout]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:177:67
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn deserialize_inner(d: U::InterDeserialize) -> Result<U, Box<Error>>;
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:184:67
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn deserialize_inner(d: U::InterDeserialize) -> Result<U, Box<Error>> {
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:59
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let r0: TraitObject = std::mem::transmute(&() as &Send);
[INFO] [stdout]     |                                                           ^^^^ help: use `dyn`: `dyn Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:56
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let r: TraitObject = std::mem::transmute(p as &TyConstImpl<D>);
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TyConstImpl<D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:59
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let r0: TraitObject = std::mem::transmute(&() as &Send);
[INFO] [stdout]     |                                                           ^^^^ help: use `dyn`: `dyn Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let r: &TyConstImpl<D> = std::mem::transmute(r);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TyConstImpl<D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde.rs:81:65
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn inter_serialize<T: Serialize>(t: &T) -> Result<Self, Box<Error>>;
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[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/serde.rs:85:65
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn inter_serialize<T: Serialize>(t: &T) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serde.rs:95:52
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn inter_deserialize<T>(self) -> Result<T, Box<Error>>
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:100:52
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn inter_deserialize<T>(self) -> Result<T, Box<Error>>
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_inner(&self) -> Result<S, Box<Error>>;
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:150:48
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn serialize_inner(&self) -> Result<S, Box<Error>> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:173:73
[INFO] [stdout]     |
[INFO] [stdout] 173 | struct TraitObjDeserializer<U>(fn(U::InterDeserialize) -> Result<U, Box<Error>>)
[INFO] [stdout]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:177:67
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn deserialize_inner(d: U::InterDeserialize) -> Result<U, Box<Error>>;
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serde.rs:184:67
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn deserialize_inner(d: U::InterDeserialize) -> Result<U, Box<Error>> {
[INFO] [stdout]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:59
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let r0: TraitObject = std::mem::transmute(&() as &Send);
[INFO] [stdout]     |                                                           ^^^^ help: use `dyn`: `dyn Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:56
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let r: TraitObject = std::mem::transmute(p as &TyConstImpl<D>);
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TyConstImpl<D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:59
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let r0: TraitObject = std::mem::transmute(&() as &Send);
[INFO] [stdout]     |                                                           ^^^^ help: use `dyn`: `dyn Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let r: &TyConstImpl<D> = std::mem::transmute(r);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TyConstImpl<D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.37s
[INFO] running `Command { std: "docker" "inspect" "7900ec242dbd2d8574267a35661f4c5aadc8f258a5bf3d56c31531728ecd23dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7900ec242dbd2d8574267a35661f4c5aadc8f258a5bf3d56c31531728ecd23dc", kill_on_drop: false }`
[INFO] [stdout] 7900ec242dbd2d8574267a35661f4c5aadc8f258a5bf3d56c31531728ecd23dc