[INFO] fetching crate containers 0.9.13... [INFO] building containers-0.9.13 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate containers 0.9.13 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate containers 0.9.13 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate containers 0.9.13 [INFO] finished tweaking crates.io crate containers 0.9.13 [INFO] tweaked toml for crates.io crate containers 0.9.13 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.8.5 (available: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.8.0 (available: v1.0.0) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rel v0.2.0 [INFO] [stderr] Downloaded fallible v0.1.3 [INFO] [stderr] Downloaded heap v0.1.0 [INFO] [stderr] Downloaded quickcheck_macros v0.8.0 [INFO] [stderr] Downloaded hash-table v0.2.5 [INFO] [stderr] Downloaded quickcheck v0.8.5 [INFO] [stderr] Downloaded abort v0.1.3 [INFO] [stderr] Downloaded default_allocator v0.3.0 [INFO] [stderr] Downloaded loca v0.7.4 [INFO] [stderr] Downloaded ptr v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 786c6cd2bb4f75bbcbc5e2045c520ca2bf771ad7941362f50565c7324a22d616 [INFO] running `Command { std: "docker" "start" "-a" "786c6cd2bb4f75bbcbc5e2045c520ca2bf771ad7941362f50565c7324a22d616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "786c6cd2bb4f75bbcbc5e2045c520ca2bf771ad7941362f50565c7324a22d616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "786c6cd2bb4f75bbcbc5e2045c520ca2bf771ad7941362f50565c7324a22d616", kill_on_drop: false }` [INFO] [stdout] 786c6cd2bb4f75bbcbc5e2045c520ca2bf771ad7941362f50565c7324a22d616 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49296cb1c812eebc4b2b133f1adea4b379231fa2ba84c94370307a5317e10cc8 [INFO] running `Command { std: "docker" "start" "-a" "49296cb1c812eebc4b2b133f1adea4b379231fa2ba84c94370307a5317e10cc8", kill_on_drop: false }` [INFO] [stderr] Compiling ptr v0.2.3 [INFO] [stderr] Compiling hash-table v0.2.5 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling containers v0.9.13 (/opt/rustwide/workdir) [INFO] [stderr] Compiling abort v0.1.3 [INFO] [stderr] Compiling heap v0.1.0 [INFO] [stderr] Compiling rel v0.2.0 [INFO] [stderr] Compiling fallible v0.1.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling loca v0.7.4 [INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables [INFO] [stdout] --> src/collections/b_tree.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | φ: PhantomData<(K, T)>, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: the usage includes 'φ' (U+03C6) [INFO] [stdout] = note: please recheck to make sure their usages are indeed what you want [INFO] [stdout] = note: `#[warn(mixed_script_confusables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `foobar` [INFO] [stdout] --> src/rc.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(foobar)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(foobar)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(foobar)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_fn_trait_bound)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0119]: conflicting implementations of trait `Debug` for type `Box<_, _>` [INFO] [stdout] --> src/boxed.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | impl fmt::Debug for Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: conflicting implementation in crate `core`: [INFO] [stdout] - impl Debug for F [INFO] [stdout] where F: FnPtr; [INFO] [stdout] = note: downstream crates may implement trait `core::clone::Clone` for type `boxed::Box<_, _>` [INFO] [stdout] = note: downstream crates may implement trait `core::marker::Copy` for type `boxed::Box<_, _>` [INFO] [stdout] = note: downstream crates may implement trait `core::marker::FnPtr` for type `boxed::Box<_, _>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `containers` (lib) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "49296cb1c812eebc4b2b133f1adea4b379231fa2ba84c94370307a5317e10cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49296cb1c812eebc4b2b133f1adea4b379231fa2ba84c94370307a5317e10cc8", kill_on_drop: false }` [INFO] [stdout] 49296cb1c812eebc4b2b133f1adea4b379231fa2ba84c94370307a5317e10cc8