[INFO] fetching crate bronze_gc 0.2.1... [INFO] checking bronze_gc-0.2.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate bronze_gc 0.2.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate bronze_gc 0.2.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronze_gc 0.2.1 [INFO] finished tweaking crates.io crate bronze_gc 0.2.1 [INFO] tweaked toml for crates.io crate bronze_gc 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 72 packages [INFO] [stderr] Adding bindgen v0.56.0 (latest: v0.69.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cexpr v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding env_logger v0.8.4 (latest: v0.11.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding nom v5.1.3 (latest: v7.1.3) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding serial_test v0.5.1 (latest: v3.0.0) [INFO] [stderr] Adding serial_test_derive v0.5.1 (latest: v3.0.0) [INFO] [stderr] Adding shlex v0.1.1 (latest: v1.3.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.57) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding which v3.1.1 (latest: v6.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial_test v0.5.1 [INFO] [stderr] Downloaded serial_test_derive v0.5.1 [INFO] [stderr] Downloaded bronze_derive v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d85eec2f80a53d1793cb1759f788f800a5ab25e7a594baae28dd2783005b7dd4 [INFO] running `Command { std: "docker" "start" "-a" "d85eec2f80a53d1793cb1759f788f800a5ab25e7a594baae28dd2783005b7dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d85eec2f80a53d1793cb1759f788f800a5ab25e7a594baae28dd2783005b7dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d85eec2f80a53d1793cb1759f788f800a5ab25e7a594baae28dd2783005b7dd4", kill_on_drop: false }` [INFO] [stdout] d85eec2f80a53d1793cb1759f788f800a5ab25e7a594baae28dd2783005b7dd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9751e20f8c1194fe2daf141a4e9159e2420539d2ae962c917c575dbdca2f4ea [INFO] running `Command { std: "docker" "start" "-a" "e9751e20f8c1194fe2daf141a4e9159e2420539d2ae962c917c575dbdca2f4ea", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling clang-sys v1.7.0 [INFO] [stderr] Compiling libloading v0.8.3 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking multiset v0.0.5 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Compiling bronze_derive v0.1.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Compiling bronze_gc v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `USED_SPACE_RATIO` is never used [INFO] [stdout] --> src/lib.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `threshold` is never read [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 46 | struct GcState { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 47 | bytes_allocated: usize, [INFO] [stdout] 48 | threshold: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `vtable` and `marked` are never read [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct GcBoxHeader { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | next: Option>>, [INFO] [stdout] 77 | vtable: *mut Vtable, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | marked: Cell, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `header` is never read [INFO] [stdout] --> src/lib.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 110 | pub struct GcNullableBox { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 111 | header: GcBoxHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `trace_inner`, `erased`, and `dyn_data` are never used [INFO] [stdout] --> src/lib.rs:156:26 [INFO] [stdout] | [INFO] [stdout] 155 | impl GcBox { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] 156 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | fn erased(&self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `borrow_flag` and `as_mut_box` are never used [INFO] [stdout] --> src/lib.rs:395:8 [INFO] [stdout] | [INFO] [stdout] 379 | impl GcRef { [INFO] [stdout] | ---------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 395 | fn borrow_flag<'a>(&'a self) -> &'a Cell { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 408 | pub(crate) fn as_mut_box<'a> (&'a mut self) -> &mut GcBox { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NullableBoxRef` is never constructed [INFO] [stdout] --> src/lib.rs:569:5 [INFO] [stdout] | [INFO] [stdout] 567 | enum GcMaybeNullableRoot { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 568 | BoxRef(NonNull>), [INFO] [stdout] 569 | NullableBoxRef(NonNull>), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GcMaybeNullableRoot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `USED_SPACE_RATIO` is never used [INFO] [stdout] --> src/lib.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | const USED_SPACE_RATIO: f64 = 0.7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `threshold` is never read [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 46 | struct GcState { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 47 | bytes_allocated: usize, [INFO] [stdout] 48 | threshold: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `vtable` and `marked` are never read [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct GcBoxHeader { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | next: Option>>, [INFO] [stdout] 77 | vtable: *mut Vtable, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | marked: Cell, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `header` is never read [INFO] [stdout] --> src/lib.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 110 | pub struct GcNullableBox { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 111 | header: GcBoxHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `trace_inner`, `erased`, and `dyn_data` are never used [INFO] [stdout] --> src/lib.rs:156:26 [INFO] [stdout] | [INFO] [stdout] 155 | impl GcBox { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] 156 | pub(crate) unsafe fn trace_inner(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 168 | fn erased(&self) -> &GcBox { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | fn dyn_data(&self) -> &dyn GcTrace { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `borrow_flag` and `as_mut_box` are never used [INFO] [stdout] --> src/lib.rs:395:8 [INFO] [stdout] | [INFO] [stdout] 379 | impl GcRef { [INFO] [stdout] | ---------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 395 | fn borrow_flag<'a>(&'a self) -> &'a Cell { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 408 | pub(crate) fn as_mut_box<'a> (&'a mut self) -> &mut GcBox { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NullableBoxRef` is never constructed [INFO] [stdout] --> src/lib.rs:569:5 [INFO] [stdout] | [INFO] [stdout] 567 | enum GcMaybeNullableRoot { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 568 | BoxRef(NonNull>), [INFO] [stdout] 569 | NullableBoxRef(NonNull>), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GcMaybeNullableRoot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `backtrace::Backtrace` [INFO] [stdout] --> tests/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use backtrace::Backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> tests/tests.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> tests/tests.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | *x2 = 43; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | assert!(*x2 == 43); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0609]: no field `x` on type `bronze_gc::GcRef` [INFO] [stdout] --> tests/dynamic_borrowing.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | c.x = x; [INFO] [stdout] | ^ unknown field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:150:20 [INFO] [stdout] | [INFO] [stdout] 150 | let r: &i32 = &*c1; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> tests/dynamic_borrowing.rs:116:51 [INFO] [stdout] | [INFO] [stdout] 116 | fn take_two_borrow_mut_ics(r1: &mut IntContainer, r2: &mut IntContainer) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | *x2 = 43; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | assert!(*x2 == 43); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0609, E0614. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0609`. [INFO] [stdout] [INFO] [stdout] error[E0609]: no field `x` on type `bronze_gc::GcRef` [INFO] [stdout] --> tests/dynamic_borrowing.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | c.x = x; [INFO] [stdout] | ^ unknown field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0614]: type `bronze_gc::GcRef` cannot be dereferenced [INFO] [stdout] --> tests/dynamic_borrowing.rs:150:20 [INFO] [stdout] | [INFO] [stdout] 150 | let r: &i32 = &*c1; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bronze_gc` (test "dynamic_borrowing") due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> tests/tests.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> tests/dynamic_borrowing.rs:116:51 [INFO] [stdout] | [INFO] [stdout] 116 | fn take_two_borrow_mut_ics(r1: &mut IntContainer, r2: &mut IntContainer) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `refs` [INFO] [stdout] --> tests/tests.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | let refs = TenRefs{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_refs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0609, E0614. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0609`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bronze_gc` (test "tests") due to 5 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e9751e20f8c1194fe2daf141a4e9159e2420539d2ae962c917c575dbdca2f4ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9751e20f8c1194fe2daf141a4e9159e2420539d2ae962c917c575dbdca2f4ea", kill_on_drop: false }` [INFO] [stdout] e9751e20f8c1194fe2daf141a4e9159e2420539d2ae962c917c575dbdca2f4ea [INFO] checking bronze_gc-0.2.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate bronze_gc 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate bronze_gc 0.2.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronze_gc 0.2.1 [INFO] finished tweaking crates.io crate bronze_gc 0.2.1 [INFO] tweaked toml for crates.io crate bronze_gc 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fb1a2e4b60b6d3e982c3f2c56fcbe94f37d0ce68c54840b399500a0de9334c8 [INFO] running `Command { std: "docker" "start" "-a" "0fb1a2e4b60b6d3e982c3f2c56fcbe94f37d0ce68c54840b399500a0de9334c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fb1a2e4b60b6d3e982c3f2c56fcbe94f37d0ce68c54840b399500a0de9334c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fb1a2e4b60b6d3e982c3f2c56fcbe94f37d0ce68c54840b399500a0de9334c8", kill_on_drop: false }` [INFO] [stdout] 0fb1a2e4b60b6d3e982c3f2c56fcbe94f37d0ce68c54840b399500a0de9334c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d7edbde34171c8fb2c2105ad3d5fb706b09aa72174698a556d3d48b9f9d0a5f [INFO] running `Command { std: "docker" "start" "-a" "1d7edbde34171c8fb2c2105ad3d5fb706b09aa72174698a556d3d48b9f9d0a5f", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "1d7edbde34171c8fb2c2105ad3d5fb706b09aa72174698a556d3d48b9f9d0a5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d7edbde34171c8fb2c2105ad3d5fb706b09aa72174698a556d3d48b9f9d0a5f", kill_on_drop: false }` [INFO] [stdout] 1d7edbde34171c8fb2c2105ad3d5fb706b09aa72174698a556d3d48b9f9d0a5f