[INFO] fetching crate tree_hash 0.1.0...
[INFO] checking tree_hash-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate tree_hash 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tree_hash 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tree_hash 0.1.0
[INFO] finished tweaking crates.io crate tree_hash 0.1.0
[INFO] tweaked toml for crates.io crate tree_hash 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 115d46b8df4574b61576ac3d9b1e80b4feb8947a61b948958b03add3cf1d14ef
[INFO] running `"docker" "start" "-a" "115d46b8df4574b61576ac3d9b1e80b4feb8947a61b948958b03add3cf1d14ef"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rlp v0.4.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking impl-serde v0.2.1
[INFO] [stderr]     Checking eth2_hashing v0.1.0
[INFO] [stderr]    Compiling tree_hash_derive v0.1.0
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking tree_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/merkleize_padded.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     /// Cached zero hashes where `ZERO_HASHES[i]` is the hash of a Merkle tree with 2^i zero leaves.
[INFO] [stderr] 13 | |     static ref ZERO_HASHES: Vec<Vec<u8>> = {
[INFO] [stderr] 14 | |         let mut hashes = vec![vec![0; 32]; MAX_TREE_DEPTH + 1];
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     };
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `"docker" "inspect" "115d46b8df4574b61576ac3d9b1e80b4feb8947a61b948958b03add3cf1d14ef"`
[INFO] running `"docker" "rm" "-f" "115d46b8df4574b61576ac3d9b1e80b4feb8947a61b948958b03add3cf1d14ef"`
[INFO] [stdout] 115d46b8df4574b61576ac3d9b1e80b4feb8947a61b948958b03add3cf1d14ef