[INFO] fetching crate objrs_macros 0.0.2...
[INFO] checking objrs_macros-0.0.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate objrs_macros 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate objrs_macros 0.0.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objrs_macros 0.0.2
[INFO] finished tweaking crates.io crate objrs_macros 0.0.2
[INFO] tweaked toml for crates.io crate objrs_macros 0.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", 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] 4c9ab03d4647690192d2d0dafcc415d55048fdcb454d77d8e9cca10433407557
[INFO] running `Command { std: "docker" "start" "-a" "4c9ab03d4647690192d2d0dafcc415d55048fdcb454d77d8e9cca10433407557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9ab03d4647690192d2d0dafcc415d55048fdcb454d77d8e9cca10433407557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9ab03d4647690192d2d0dafcc415d55048fdcb454d77d8e9cca10433407557", kill_on_drop: false }`
[INFO] [stdout] 4c9ab03d4647690192d2d0dafcc415d55048fdcb454d77d8e9cca10433407557
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a038c53b3757d3dc482dd81e24ed2c743ed772225973fc4091957ba96fe400c
[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" "5a038c53b3757d3dc482dd81e24ed2c743ed772225973fc4091957ba96fe400c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking objrs_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/protocol.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:361:12
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &ToTokens,
[INFO] [stdout]     |            ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:717:33
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/class.rs:273:39
[INFO] [stdout]     |
[INFO] [stdout] 273 |   let mut generic_idents: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/protocol.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |   let mut generic_idents: Punctuated<&ToTokens, syn::token::Comma> = Punctuated::new();
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:361:12
[INFO] [stdout]     |
[INFO] [stdout] 361 |   inline: &ToTokens,
[INFO] [stdout]     |            ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/selector.rs:717:33
[INFO] [stdout]     |
[INFO] [stdout] 717 |   let mut generics: Punctuated<&ToTokens, Comma> = Punctuated::new();
[INFO] [stdout]     |                                 ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/gensym.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/gensym.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut buf = unsafe { core::mem::uninitialized() };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "5a038c53b3757d3dc482dd81e24ed2c743ed772225973fc4091957ba96fe400c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a038c53b3757d3dc482dd81e24ed2c743ed772225973fc4091957ba96fe400c", kill_on_drop: false }`
[INFO] [stdout] 5a038c53b3757d3dc482dd81e24ed2c743ed772225973fc4091957ba96fe400c