[INFO] fetching crate jsonway 2.0.0...
[INFO] checking jsonway-2.0.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate jsonway 2.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate jsonway 2.0.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonway 2.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jsonway 2.0.0
[INFO] tweaked toml for crates.io crate jsonway 2.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2674469a53b5aa37b55e08c5760da6dd29a69da20c864390d8318f505251a780
[INFO] running `Command { std: "docker" "start" "-a" "2674469a53b5aa37b55e08c5760da6dd29a69da20c864390d8318f505251a780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2674469a53b5aa37b55e08c5760da6dd29a69da20c864390d8318f505251a780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2674469a53b5aa37b55e08c5760da6dd29a69da20c864390d8318f505251a780", kill_on_drop: false }`
[INFO] [stdout] 2674469a53b5aa37b55e08c5760da6dd29a69da20c864390d8318f505251a780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf945c65d70546045f81a8125fc47e187361797c8979d82f60291bb15e1af9a
[INFO] running `Command { std: "docker" "start" "-a" "8cf945c65d70546045f81a8125fc47e187361797c8979d82f60291bb15e1af9a", kill_on_drop: false }`
[INFO] [stderr]     Checking jsonway v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build(&self, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build(&self, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn build(&self, &T, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn build(&self, &T, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn build(&self, &T, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/serializer.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn build(&self, &T, &mut object_builder::ObjectBuilder);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &S`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &S`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/serializer.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn build(&self, &T, &S, &mut object_builder::ObjectBuilder);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut object_builder::ObjectBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/array_serializer.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn build(&self, &mut array_builder::ArrayBuilder);
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut array_builder::ArrayBuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/array_serializer.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn build(&self, &mut array_builder::ArrayBuilder);
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut array_builder::ArrayBuilder`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonway` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonway` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "8cf945c65d70546045f81a8125fc47e187361797c8979d82f60291bb15e1af9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf945c65d70546045f81a8125fc47e187361797c8979d82f60291bb15e1af9a", kill_on_drop: false }`
[INFO] [stdout] 8cf945c65d70546045f81a8125fc47e187361797c8979d82f60291bb15e1af9a
