[INFO] fetching crate ahash 0.7.4...
[INFO] testing ahash-0.7.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ahash 0.7.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ahash 0.7.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ahash 0.7.4
[INFO] finished tweaking crates.io crate ahash 0.7.4
[INFO] tweaked toml for crates.io crate ahash 0.7.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/tests/bench.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca8b573d305674ef0673c1e6b9468388ec6c2ba4d1da9117a617938a5b1dc4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ca8b573d305674ef0673c1e6b9468388ec6c2ba4d1da9117a617938a5b1dc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca8b573d305674ef0673c1e6b9468388ec6c2ba4d1da9117a617938a5b1dc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca8b573d305674ef0673c1e6b9468388ec6c2ba4d1da9117a617938a5b1dc4b", kill_on_drop: false }`
[INFO] [stdout] 7ca8b573d305674ef0673c1e6b9468388ec6c2ba4d1da9117a617938a5b1dc4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7948a8734f6b16ae22a560d19a9bcb28a48fb1f46ac49a8004c06f29f9df1f71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7948a8734f6b16ae22a560d19a9bcb28a48fb1f46ac49a8004c06f29f9df1f71", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/bench.rs
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ahash v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stdout] warning: unused import: `crate::fallback_hash::*`
[INFO] [stdout]   --> src/random_state.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use crate::fallback_hash::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "7948a8734f6b16ae22a560d19a9bcb28a48fb1f46ac49a8004c06f29f9df1f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7948a8734f6b16ae22a560d19a9bcb28a48fb1f46ac49a8004c06f29f9df1f71", kill_on_drop: false }`
[INFO] [stdout] 7948a8734f6b16ae22a560d19a9bcb28a48fb1f46ac49a8004c06f29f9df1f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd1f7a58eae9c7459fbbc910dcef4259a1cf9ada107a7207cc28048dfd5887b5
[INFO] running `Command { std: "docker" "start" "-a" "fd1f7a58eae9c7459fbbc910dcef4259a1cf9ada107a7207cc28048dfd5887b5", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/bench.rs
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ahash v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stdout] warning: unused import: `crate::fallback_hash::*`
[INFO] [stdout]   --> src/random_state.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use crate::fallback_hash::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling no-panic v0.1.15
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stdout] warning: unused import: `crate::fallback_hash::*`
[INFO] [stdout]   --> src/random_state.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use crate::fallback_hash::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bench --edition=2018 tests/bench.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C opt-level=2 -C lto=fat -C debuginfo=2 -C debug-assertions=on --test --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=3d21f929c8f1d058 -C extra-filename=-3d21f929c8f1d058 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-fea94923af2ea4a2.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-0ccc33713f9f9ded.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-89bd50f63a1609b6.rlib --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-6f07c106513b721c.rlib --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-13aec6da95b678fe.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-94482a69f4f83420.rlib --extern no_panic=/opt/rustwide/target/debug/deps/libno_panic-a268d161c2341319.so --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-602bc3f6c09692ae.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-19b8082228c2b4b0.rlib --extern seahash=/opt/rustwide/target/debug/deps/libseahash-c98a3ccc650ef3aa.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8ed3d75f3d4a81b8.rlib --cap-lints=warn --cfg 'feature="runtime-rng"' --cfg 'feature="folded_multiply"' --cfg 'feature="runtime-rng"' --cfg 'feature="folded_multiply"'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fd1f7a58eae9c7459fbbc910dcef4259a1cf9ada107a7207cc28048dfd5887b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1f7a58eae9c7459fbbc910dcef4259a1cf9ada107a7207cc28048dfd5887b5", kill_on_drop: false }`
[INFO] [stdout] fd1f7a58eae9c7459fbbc910dcef4259a1cf9ada107a7207cc28048dfd5887b5