[INFO] fetching crate imm_gc 0.2.1...
[INFO] testing imm_gc-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate imm_gc 0.2.1 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate imm_gc 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7991a3bc9a6c31affa702dd584e58fb628c9cec18395cd4e2a9a00f8b0192416
[INFO] running `Command { std: "docker" "start" "-a" "7991a3bc9a6c31affa702dd584e58fb628c9cec18395cd4e2a9a00f8b0192416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7991a3bc9a6c31affa702dd584e58fb628c9cec18395cd4e2a9a00f8b0192416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7991a3bc9a6c31affa702dd584e58fb628c9cec18395cd4e2a9a00f8b0192416", kill_on_drop: false }`
[INFO] [stdout] 7991a3bc9a6c31affa702dd584e58fb628c9cec18395cd4e2a9a00f8b0192416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc906061356b2bd9f013efe389617ea940d32b17e2b3680f33c286fa77e668f2
[INFO] running `Command { std: "docker" "start" "-a" "cc906061356b2bd9f013efe389617ea940d32b17e2b3680f33c286fa77e668f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] ...
[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] ...
[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: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `cell_update` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[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] 
[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] 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] 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] 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 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cc906061356b2bd9f013efe389617ea940d32b17e2b3680f33c286fa77e668f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc906061356b2bd9f013efe389617ea940d32b17e2b3680f33c286fa77e668f2", kill_on_drop: false }`
[INFO] [stdout] cc906061356b2bd9f013efe389617ea940d32b17e2b3680f33c286fa77e668f2
