[INFO] cloning repository https://github.com/Avi-D-coder/gc-generic-std
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Avi-D-coder/gc-generic-std" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0a094a47d2a4e57efcf9b222d91bbda431475f4
[INFO] checking Avi-D-coder/gc-generic-std against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Avi-D-coder/gc-generic-std on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Avi-D-coder/gc-generic-std
[INFO] finished tweaking git repo https://github.com/Avi-D-coder/gc-generic-std
[INFO] tweaked toml for git repo https://github.com/Avi-D-coder/gc-generic-std written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Avi-D-coder/gc-generic-std already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa14eab68c783eb5b5814108e15537c67f904c883a30d581f599a79caee358de
[INFO] running `Command { std: "docker" "start" "-a" "fa14eab68c783eb5b5814108e15537c67f904c883a30d581f599a79caee358de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa14eab68c783eb5b5814108e15537c67f904c883a30d581f599a79caee358de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa14eab68c783eb5b5814108e15537c67f904c883a30d581f599a79caee358de", kill_on_drop: false }`
[INFO] [stdout] fa14eab68c783eb5b5814108e15537c67f904c883a30d581f599a79caee358de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1b6b83210e48acb898ba0c52ed21d5f660ddac77772fdc08115fb7fdf81d0b
[INFO] running `Command { std: "docker" "start" "-a" "7a1b6b83210e48acb898ba0c52ed21d5f660ddac77772fdc08115fb7fdf81d0b", kill_on_drop: false }`
[INFO] [stderr]     Checking generic-std v0.1.0
[INFO] [stderr]     Checking gc-generic-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub unsafe auto trait NoGc {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub unsafe auto trait Immutable {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub auto trait NotDerived {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub unsafe auto trait NoGc {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub unsafe auto trait Immutable {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub auto trait NotDerived {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Immutable`, should not be specialized
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     unsafe impl<T> Immutable for Box<T> {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this will change its meaning in a future release!
[INFO] [stdout]     = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]     = note: `std::alloc::Global` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]    --> /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/alloc/src/boxed.rs:195:1
[INFO] [stdout]     = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Immutable`, should not be specialized
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     unsafe impl<T> Immutable for Box<T> {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this will change its meaning in a future release!
[INFO] [stdout]     = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]     = note: `std::alloc::Global` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]    --> /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/alloc/src/boxed.rs:195:1
[INFO] [stdout]     = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc-generic-std` (bin "gc-generic-std" test) due to 5 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc-generic-std` (bin "gc-generic-std") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7a1b6b83210e48acb898ba0c52ed21d5f660ddac77772fdc08115fb7fdf81d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1b6b83210e48acb898ba0c52ed21d5f660ddac77772fdc08115fb7fdf81d0b", kill_on_drop: false }`
[INFO] [stdout] 7a1b6b83210e48acb898ba0c52ed21d5f660ddac77772fdc08115fb7fdf81d0b
