[INFO] fetching crate accessors 0.0.3...
[INFO] checking accessors-0.0.3 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate accessors 0.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate accessors 0.0.3 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accessors 0.0.3
[INFO] finished tweaking crates.io crate accessors 0.0.3
[INFO] tweaked toml for crates.io crate accessors 0.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f7bca84bf44a3bb9e75eda8dd4e9bbde100a8b2a26633cce53a0a6a006c8f61
[INFO] running `Command { std: "docker" "start" "-a" "8f7bca84bf44a3bb9e75eda8dd4e9bbde100a8b2a26633cce53a0a6a006c8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7bca84bf44a3bb9e75eda8dd4e9bbde100a8b2a26633cce53a0a6a006c8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7bca84bf44a3bb9e75eda8dd4e9bbde100a8b2a26633cce53a0a6a006c8f61", kill_on_drop: false }`
[INFO] [stdout] 8f7bca84bf44a3bb9e75eda8dd4e9bbde100a8b2a26633cce53a0a6a006c8f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe252b22dced5c34820a1fd95e65a514993f6a416fb9eeb83b1b6d31b59fb6ef
[INFO] running `Command { std: "docker" "start" "-a" "fe252b22dced5c34820a1fd95e65a514993f6a416fb9eeb83b1b6d31b59fb6ef", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking syn v0.9.2
[INFO] [stderr]     Checking accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected attribute, found derive macro `setters`
[INFO] [stdout]  --> examples/simple.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          ^^^^^^^ not an attribute
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `getters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `Simple` is defined multiple times
[INFO] [stdout]  --> examples/simple.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          -------  ^^^^^^^ `Simple` redefined here
[INFO] [stdout]   |          |
[INFO] [stdout]   |          previous definition of the type `Simple` here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Simple` must be defined only once in the type namespace of this module
[INFO] [stdout]   = note: this error originates in the derive macro `setters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected attribute, found derive macro `setters`
[INFO] [stdout]  --> examples/simple.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[setters(into = true)]
[INFO] [stdout]   |   ^^^^^^^ not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `Simple` is defined multiple times
[INFO] [stdout]  --> examples/simple.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          ------- previous definition of the type `Simple` here
[INFO] [stdout] 7 | #[setters(into = true)]
[INFO] [stdout] 8 | struct Simple {
[INFO] [stdout]   | ^^^^^^^^^^^^^ `Simple` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Simple` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/simple.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accessors` (example "simple") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fe252b22dced5c34820a1fd95e65a514993f6a416fb9eeb83b1b6d31b59fb6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe252b22dced5c34820a1fd95e65a514993f6a416fb9eeb83b1b6d31b59fb6ef", kill_on_drop: false }`
[INFO] [stdout] fe252b22dced5c34820a1fd95e65a514993f6a416fb9eeb83b1b6d31b59fb6ef
[INFO] checking accessors-0.0.3 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate accessors 0.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate accessors 0.0.3 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accessors 0.0.3
[INFO] finished tweaking crates.io crate accessors 0.0.3
[INFO] tweaked toml for crates.io crate accessors 0.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 242f0bbd3e0d74ea36c15a67f6ec508693dc01ff365b0fc7134d718359a230d8
[INFO] running `Command { std: "docker" "start" "-a" "242f0bbd3e0d74ea36c15a67f6ec508693dc01ff365b0fc7134d718359a230d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242f0bbd3e0d74ea36c15a67f6ec508693dc01ff365b0fc7134d718359a230d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242f0bbd3e0d74ea36c15a67f6ec508693dc01ff365b0fc7134d718359a230d8", kill_on_drop: false }`
[INFO] [stdout] 242f0bbd3e0d74ea36c15a67f6ec508693dc01ff365b0fc7134d718359a230d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac53233dcc16fba3cba7b1557f785161797e4df846ac33099ed7f47e99c1501
[INFO] running `Command { std: "docker" "start" "-a" "6ac53233dcc16fba3cba7b1557f785161797e4df846ac33099ed7f47e99c1501", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected attribute, found derive macro `setters`
[INFO] [stdout]  --> examples/simple.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          ^^^^^^^ not an attribute
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `getters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `Simple` is defined multiple times
[INFO] [stdout]  --> examples/simple.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          -------  ^^^^^^^ `Simple` redefined here
[INFO] [stdout]   |          |
[INFO] [stdout]   |          previous definition of the type `Simple` here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Simple` must be defined only once in the type namespace of this module
[INFO] [stdout]   = note: this error originates in the derive macro `setters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected attribute, found derive macro `setters`
[INFO] [stdout]  --> examples/simple.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[setters(into = true)]
[INFO] [stdout]   |   ^^^^^^^ not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `Simple` is defined multiple times
[INFO] [stdout]  --> examples/simple.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(getters, setters)]
[INFO] [stdout]   |          ------- previous definition of the type `Simple` here
[INFO] [stdout] 7 | #[setters(into = true)]
[INFO] [stdout] 8 | struct Simple {
[INFO] [stdout]   | ^^^^^^^^^^^^^ `Simple` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Simple` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/simple.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accessors` (example "simple") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6ac53233dcc16fba3cba7b1557f785161797e4df846ac33099ed7f47e99c1501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac53233dcc16fba3cba7b1557f785161797e4df846ac33099ed7f47e99c1501", kill_on_drop: false }`
[INFO] [stdout] 6ac53233dcc16fba3cba7b1557f785161797e4df846ac33099ed7f47e99c1501
