[INFO] fetching crate vec-collections 0.4.3...
[INFO] testing vec-collections-0.4.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate vec-collections 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vec-collections 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vec-collections 0.4.3
[INFO] tweaked toml for crates.io crate vec-collections 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec-collections 0.4.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vec-collections 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.6.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.7
[INFO] [stderr]   Downloaded hexdump v0.1.1
[INFO] [stderr]   Downloaded futures-io v0.3.18
[INFO] [stderr]   Downloaded obey v0.1.0
[INFO] [stderr]   Downloaded binary-merge v0.1.2
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] [stderr]   Downloaded rend v0.3.5
[INFO] [stderr]   Downloaded futures-executor v0.3.18
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded stats_alloc v0.1.8
[INFO] [stderr]   Downloaded futures-core v0.3.18
[INFO] [stderr]   Downloaded rkyv v0.7.25
[INFO] [stderr]   Downloaded inplace-vec-builder v0.1.1
[INFO] [stderr]   Downloaded rkyv_derive v0.7.25
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded futures-macro v0.3.18
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded futures v0.3.18
[INFO] [stderr]   Downloaded futures-channel v0.3.18
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded bytecheck v0.6.7
[INFO] [stderr]   Downloaded sorted-iter v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e3dc0f898377c17968166c564ce9f6900162a9f0020c95e7a999d25a2dd661
[INFO] running `Command { std: "docker" "start" "-a" "f2e3dc0f898377c17968166c564ce9f6900162a9f0020c95e7a999d25a2dd661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e3dc0f898377c17968166c564ce9f6900162a9f0020c95e7a999d25a2dd661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e3dc0f898377c17968166c564ce9f6900162a9f0020c95e7a999d25a2dd661", kill_on_drop: false }`
[INFO] [stdout] f2e3dc0f898377c17968166c564ce9f6900162a9f0020c95e7a999d25a2dd661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8fc242a92c46f660d89d8d4bb0cf8b5a273b576cfae406843be24253cb6828c
[INFO] running `Command { std: "docker" "start" "-a" "f8fc242a92c46f660d89d8d4bb0cf8b5a273b576cfae406843be24253cb6828c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling binary-merge v0.1.2
[INFO] [stderr]    Compiling sorted-iter v0.1.8
[INFO] [stderr]    Compiling inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling vec-collections v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use macros::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombineOp` is never constructed
[INFO] [stdout]    --> src/vec_map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct CombineOp<F, K>(F, std::marker::PhantomData<K>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vec_map.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<(K, V)>> {
[INFO] [stdout]    |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<'_, (K, V)>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<T>> {
[INFO] [stdout]     |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<A::Item>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<'_, A::Item>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "f8fc242a92c46f660d89d8d4bb0cf8b5a273b576cfae406843be24253cb6828c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fc242a92c46f660d89d8d4bb0cf8b5a273b576cfae406843be24253cb6828c", kill_on_drop: false }`
[INFO] [stdout] f8fc242a92c46f660d89d8d4bb0cf8b5a273b576cfae406843be24253cb6828c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3e79037fa71cc08b4b961858c2b17ac19f87b9a3669c68c8354506e3ebf513
[INFO] running `Command { std: "docker" "start" "-a" "5d3e79037fa71cc08b4b961858c2b17ac19f87b9a3669c68c8354506e3ebf513", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rend v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5d3e79037fa71cc08b4b961858c2b17ac19f87b9a3669c68c8354506e3ebf513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3e79037fa71cc08b4b961858c2b17ac19f87b9a3669c68c8354506e3ebf513", kill_on_drop: false }`
[INFO] [stdout] 5d3e79037fa71cc08b4b961858c2b17ac19f87b9a3669c68c8354506e3ebf513