[INFO] fetching crate imm_gc 0.2.1...
[INFO] checking imm_gc-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate imm_gc 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate imm_gc 0.2.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imm_gc 0.2.1
[INFO] finished tweaking crates.io crate imm_gc 0.2.1
[INFO] tweaked toml for crates.io crate imm_gc 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imm_gc_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89630c444d01440486096f047cbcc5c47795bbf361f20ed3ecfe2c7fd8fad0a8
[INFO] running `Command { std: "docker" "start" "-a" "89630c444d01440486096f047cbcc5c47795bbf361f20ed3ecfe2c7fd8fad0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89630c444d01440486096f047cbcc5c47795bbf361f20ed3ecfe2c7fd8fad0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89630c444d01440486096f047cbcc5c47795bbf361f20ed3ecfe2c7fd8fad0a8", kill_on_drop: false }`
[INFO] [stdout] 89630c444d01440486096f047cbcc5c47795bbf361f20ed3ecfe2c7fd8fad0a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780f51e1d364ff77ee2d926286e6ca40bb3f70089bc4560facdf3a595d32c3a1
[INFO] running `Command { std: "docker" "start" "-a" "780f51e1d364ff77ee2d926286e6ca40bb3f70089bc4560facdf3a595d32c3a1", kill_on_drop: false }`
[INFO] [stderr]     Checking imm_gc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |               Box::leak(box GcInner {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 102 | |                 ref_count: Cell::new(1),
[INFO] [stdout] 103 | |                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 104 | |                 done: Cell::new(false),
[INFO] [stdout] 105 | |                 dropped: Cell::new(false),
[INFO] [stdout] 106 | |                 value: MaybeUninit::new(value),
[INFO] [stdout] 107 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 101 ~             Box::leak(Box::new(GcInner {
[INFO] [stdout] 102 +                 ref_count: Cell::new(1),
[INFO] [stdout] 103 +                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 104 +                 done: Cell::new(false),
[INFO] [stdout] 105 +                 dropped: Cell::new(false),
[INFO] [stdout] 106 +                 value: MaybeUninit::new(value),
[INFO] [stdout] 107 ~             }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |               Box::leak(box GcInner {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 102 | |                 ref_count: Cell::new(1),
[INFO] [stdout] 103 | |                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 104 | |                 done: Cell::new(false),
[INFO] [stdout] 105 | |                 dropped: Cell::new(false),
[INFO] [stdout] 106 | |                 value: MaybeUninit::new(value),
[INFO] [stdout] 107 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 101 ~             Box::leak(Box::new(GcInner {
[INFO] [stdout] 102 +                 ref_count: Cell::new(1),
[INFO] [stdout] 103 +                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 104 +                 done: Cell::new(false),
[INFO] [stdout] 105 +                 dropped: Cell::new(false),
[INFO] [stdout] 106 +                 value: MaybeUninit::new(value),
[INFO] [stdout] 107 ~             }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:154:23
[INFO] [stdout]     |
[INFO] [stdout] 154 |               Box::leak(box GcInner {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 155 | |                 ref_count: Cell::new(1),
[INFO] [stdout] 156 | |                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 157 | |                 done: Cell::new(false),
[INFO] [stdout] 158 | |                 dropped: Cell::new(true),
[INFO] [stdout] 159 | |                 value: MaybeUninit::<T>::uninit(),
[INFO] [stdout] 160 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 154 ~             Box::leak(Box::new(GcInner {
[INFO] [stdout] 155 +                 ref_count: Cell::new(1),
[INFO] [stdout] 156 +                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 157 +                 done: Cell::new(false),
[INFO] [stdout] 158 +                 dropped: Cell::new(true),
[INFO] [stdout] 159 +                 value: MaybeUninit::<T>::uninit(),
[INFO] [stdout] 160 ~             }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:154:23
[INFO] [stdout]     |
[INFO] [stdout] 154 |               Box::leak(box GcInner {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 155 | |                 ref_count: Cell::new(1),
[INFO] [stdout] 156 | |                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 157 | |                 done: Cell::new(false),
[INFO] [stdout] 158 | |                 dropped: Cell::new(true),
[INFO] [stdout] 159 | |                 value: MaybeUninit::<T>::uninit(),
[INFO] [stdout] 160 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 154 ~             Box::leak(Box::new(GcInner {
[INFO] [stdout] 155 +                 ref_count: Cell::new(1),
[INFO] [stdout] 156 +                 internal_ref_count: Cell::new(0),
[INFO] [stdout] 157 +                 done: Cell::new(false),
[INFO] [stdout] 158 +                 dropped: Cell::new(true),
[INFO] [stdout] 159 +                 value: MaybeUninit::<T>::uninit(),
[INFO] [stdout] 160 ~             }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cell_update, maybe_uninit_extra, box_syntax, allocator_api)]
[INFO] [stdout]   |                                             ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cell_update, maybe_uninit_extra, box_syntax, allocator_api)]
[INFO] [stdout]   |                                             ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     marker::{PhantomData, Unpin},
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Unpin` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     marker::{PhantomData, Unpin},
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Unpin` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cell_update, maybe_uninit_extra, box_syntax, allocator_api)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cell_update, maybe_uninit_extra, box_syntax, allocator_api)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Box::leak(box GcInner {
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box`
[INFO] [stdout] ...
[INFO] [stdout] 108 |             .into(),
[INFO] [stdout]     |              ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Box::<T, A>::leak(box GcInner {
[INFO] [stdout]     |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Box::leak(box GcInner {
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box`
[INFO] [stdout] ...
[INFO] [stdout] 108 |             .into(),
[INFO] [stdout]     |              ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 101 |             Box::<T, A>::leak(box GcInner {
[INFO] [stdout]     |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Box::leak(box GcInner {
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box`
[INFO] [stdout] ...
[INFO] [stdout] 161 |             .into(),
[INFO] [stdout]     |              ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Box::<T, A>::leak(box GcInner {
[INFO] [stdout]     |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Box::leak(box GcInner {
[INFO] [stdout]     |             ^^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box`
[INFO] [stdout] ...
[INFO] [stdout] 161 |             .into(),
[INFO] [stdout]     |              ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 154 |             Box::<T, A>::leak(box GcInner {
[INFO] [stdout]     |                ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imm_gc` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imm_gc` (lib test) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "780f51e1d364ff77ee2d926286e6ca40bb3f70089bc4560facdf3a595d32c3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780f51e1d364ff77ee2d926286e6ca40bb3f70089bc4560facdf3a595d32c3a1", kill_on_drop: false }`
[INFO] [stdout] 780f51e1d364ff77ee2d926286e6ca40bb3f70089bc4560facdf3a595d32c3a1
