[INFO] fetching crate containers 0.9.13...
[INFO] checking containers-0.9.13 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate containers 0.9.13 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate containers 0.9.13 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding env_logger v0.6.2 (latest: v0.11.3)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.81)
[INFO] [stderr]       Adding quickcheck v0.8.5 (latest: v1.0.3)
[INFO] [stderr]       Adding quickcheck_macros v0.8.0 (latest: v1.0.0)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.60)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded loca v0.7.4
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] [stderr]   Downloaded hash-table v0.2.5
[INFO] [stderr]   Downloaded ptr v0.2.3
[INFO] [stderr]   Downloaded fallible v0.1.3
[INFO] [stderr]   Downloaded abort v0.1.3
[INFO] [stderr]   Downloaded default_allocator v0.3.0
[INFO] [stderr]   Downloaded heap v0.1.0
[INFO] [stderr]   Downloaded rel 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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6079b80c69153631b04de3d5776c06631caec62b24d4af4dd811e345dd92f416
[INFO] running `Command { std: "docker" "start" "-a" "6079b80c69153631b04de3d5776c06631caec62b24d4af4dd811e345dd92f416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6079b80c69153631b04de3d5776c06631caec62b24d4af4dd811e345dd92f416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6079b80c69153631b04de3d5776c06631caec62b24d4af4dd811e345dd92f416", kill_on_drop: false }`
[INFO] [stdout] 6079b80c69153631b04de3d5776c06631caec62b24d4af4dd811e345dd92f416
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53a16f1d1d2d7feabef0c054f66ea084dcc785df9ce9b6e13801daf1e98ba4c3
[INFO] running `Command { std: "docker" "start" "-a" "53a16f1d1d2d7feabef0c054f66ea084dcc785df9ce9b6e13801daf1e98ba4c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling ptr v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling hash-table v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling containers v0.9.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]     Checking rel v0.2.0
[INFO] [stderr]     Checking abort v0.1.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking loca v0.7.4
[INFO] [stderr]     Checking default_allocator v0.3.0
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default_allocator-0.3.0/src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `default_allocator` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error[E0119]: conflicting implementations of trait `Debug` for type `Box<_, _>`
[INFO] [stdout]   --> src/boxed.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: ?Sized + fmt::Debug, A: Alloc> fmt::Debug for Box<T, A> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<F> Debug for F
[INFO] [stdout]              where F: FnPtr;
[INFO] [stdout]    = note: downstream crates may implement trait `core::marker::FnPtr` for type `boxed::Box<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[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 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "53a16f1d1d2d7feabef0c054f66ea084dcc785df9ce9b6e13801daf1e98ba4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a16f1d1d2d7feabef0c054f66ea084dcc785df9ce9b6e13801daf1e98ba4c3", kill_on_drop: false }`
[INFO] [stdout] 53a16f1d1d2d7feabef0c054f66ea084dcc785df9ce9b6e13801daf1e98ba4c3
