[INFO] fetching crate merkle-log 0.0.9...
[INFO] testing merkle-log-0.0.9 against 1.75.0 for beta-1.76-1
[INFO] extracting crate merkle-log 0.0.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate merkle-log 0.0.9 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle-log 0.0.9
[INFO] finished tweaking crates.io crate merkle-log 0.0.9
[INFO] tweaked toml for crates.io crate merkle-log 0.0.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71bcc5295b4257c2ada67b9455953d11d93971f395940f853859e66d9374590
[INFO] running `Command { std: "docker" "start" "-a" "c71bcc5295b4257c2ada67b9455953d11d93971f395940f853859e66d9374590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71bcc5295b4257c2ada67b9455953d11d93971f395940f853859e66d9374590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71bcc5295b4257c2ada67b9455953d11d93971f395940f853859e66d9374590", kill_on_drop: false }`
[INFO] [stdout] c71bcc5295b4257c2ada67b9455953d11d93971f395940f853859e66d9374590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62880468e926f20627dcacc28c67f1eec262e54f1d0b15ee1f2d487c3cc8842f
[INFO] running `Command { std: "docker" "start" "-a" "62880468e926f20627dcacc28c67f1eec262e54f1d0b15ee1f2d487c3cc8842f", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling merkle-log v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |         collections::{BTreeMap, BTreeSet},
[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 2.04s
[INFO] running `Command { std: "docker" "inspect" "62880468e926f20627dcacc28c67f1eec262e54f1d0b15ee1f2d487c3cc8842f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62880468e926f20627dcacc28c67f1eec262e54f1d0b15ee1f2d487c3cc8842f", kill_on_drop: false }`
[INFO] [stdout] 62880468e926f20627dcacc28c67f1eec262e54f1d0b15ee1f2d487c3cc8842f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5548e921c4419b974bc7c2c5e7628ecff973734ea23e08162b99d50495656e56
[INFO] running `Command { std: "docker" "start" "-a" "5548e921c4419b974bc7c2c5e7628ecff973734ea23e08162b99d50495656e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |         collections::{BTreeMap, BTreeSet},
[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]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling merkle-log v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]   --> src/lib.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use core2::io::{self, BufRead, Read, Write};
[INFO] [stdout]    |                                        ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |         collections::{BTreeMap, BTreeSet},
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>: util::Digest<[u8; 32]>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:438:28
[INFO] [stdout]     |
[INFO] [stdout] 438 |     fn new() -> (MemStore, TestLog) {
[INFO] [stdout]     |                            ^^^^^^^ the trait `util::Digest<[u8; 32]>` is not implemented for `CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>`
[INFO] [stdout]     |
[INFO] [stdout] help: this trait has no implementations, consider adding one
[INFO] [stdout]    --> src/util.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub trait Digest<N: Node>: Default {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `MerkleLog`
[INFO] [stdout]    --> src/lib.rs:91:25
[INFO] [stdout]     |
[INFO] [stdout] 91  | pub struct MerkleLog<D: Digest<N>, N: Node> {
[INFO] [stdout]     |                         ^^^^^^^^^ required by this bound in `MerkleLog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle-log` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5548e921c4419b974bc7c2c5e7628ecff973734ea23e08162b99d50495656e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5548e921c4419b974bc7c2c5e7628ecff973734ea23e08162b99d50495656e56", kill_on_drop: false }`
[INFO] [stdout] 5548e921c4419b974bc7c2c5e7628ecff973734ea23e08162b99d50495656e56
