[INFO] fetching crate ssz_rs 0.9.0...
[INFO] testing ssz_rs-0.9.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ssz_rs 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ssz_rs 0.9.0
[INFO] finished tweaking crates.io crate ssz_rs 0.9.0
[INFO] tweaked toml for crates.io crate ssz_rs 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssz_rs 0.9.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssz_rs 0.9.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded project-root v0.2.2
[INFO] [stderr]   Downloaded ssz_rs_derive v0.9.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded snap v1.1.0
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded serde v1.0.167
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded serde_derive v1.0.167
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf8d2134d6c3144d12a63abe5cc10c68bbd2c063c1b8d87975f0a2eea98dbd43
[INFO] running `Command { std: "docker" "start" "-a" "bf8d2134d6c3144d12a63abe5cc10c68bbd2c063c1b8d87975f0a2eea98dbd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf8d2134d6c3144d12a63abe5cc10c68bbd2c063c1b8d87975f0a2eea98dbd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8d2134d6c3144d12a63abe5cc10c68bbd2c063c1b8d87975f0a2eea98dbd43", kill_on_drop: false }`
[INFO] [stdout] bf8d2134d6c3144d12a63abe5cc10c68bbd2c063c1b8d87975f0a2eea98dbd43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2edd031e57ea220e7882f283f8d19507135145e7c4ab5181f2241d8d0be92d
[INFO] running `Command { std: "docker" "start" "-a" "6f2edd031e57ea220e7882f283f8d19507135145e7c4ab5181f2241d8d0be92d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling ssz_rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ssz_rs_derive v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stdout] warning: unused imports: `IterMut` and `iter::Enumerate`
[INFO] [stdout]   --> src/lib.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             slice::{IterMut, SliceIndex},
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 72 |         },
[INFO] [stdout] 73 |         iter::Enumerate,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "6f2edd031e57ea220e7882f283f8d19507135145e7c4ab5181f2241d8d0be92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2edd031e57ea220e7882f283f8d19507135145e7c4ab5181f2241d8d0be92d", kill_on_drop: false }`
[INFO] [stdout] 6f2edd031e57ea220e7882f283f8d19507135145e7c4ab5181f2241d8d0be92d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35d9f07b24cd3bf773c9825587347589a0304961685e8056b3c68797f3f607d6
[INFO] running `Command { std: "docker" "start" "-a" "35d9f07b24cd3bf773c9825587347589a0304961685e8056b3c68797f3f607d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling project-root v0.2.2
[INFO] [stderr]    Compiling ssz_rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IterMut` and `iter::Enumerate`
[INFO] [stdout]   --> src/lib.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             slice::{IterMut, SliceIndex},
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 72 |         },
[INFO] [stdout] 73 |         iter::Enumerate,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SingleFieldTestStruct` is never constructed
[INFO] [stdout]  --> examples/another_container.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct SingleFieldTestStruct {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SmallTestStruct` is never constructed
[INFO] [stdout]  --> examples/another_container.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct SmallTestStruct {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IterMut` and `iter::Enumerate`
[INFO] [stdout]   --> src/lib.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             slice::{IterMut, SliceIndex},
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 72 |         },
[INFO] [stdout] 73 |         iter::Enumerate,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ssz_rs` (test "basic_vector")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name basic_vector --edition=2021 tests/basic_vector.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="hex"' --cfg 'feature="serde"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "hex", "serde", "std"))' -C metadata=0d4837774107ddeb -C extra-filename=-3067e0ff0f5db9da --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-8563d6e35b90002a.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-256b08da979355c8.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-8c076e323a6079c3.so --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-80ee5b2cbbb54054.rlib --extern project_root=/opt/rustwide/target/debug/deps/libproject_root-a223e9c1ced76deb.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-c199e4fe564e8af5.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-922e6926146877a0.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-176d500199b01c33.rlib --extern snap=/opt/rustwide/target/debug/deps/libsnap-c8ac5f657843c342.rlib --extern ssz_rs=/opt/rustwide/target/debug/deps/libssz_rs-2be1c95a85249dcb.rlib --extern ssz_rs_derive=/opt/rustwide/target/debug/deps/libssz_rs_derive-4e5b0c918f479b37.so --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "35d9f07b24cd3bf773c9825587347589a0304961685e8056b3c68797f3f607d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d9f07b24cd3bf773c9825587347589a0304961685e8056b3c68797f3f607d6", kill_on_drop: false }`
[INFO] [stdout] 35d9f07b24cd3bf773c9825587347589a0304961685e8056b3c68797f3f607d6