[INFO] fetching crate ed25519-dalek-blake2-feeless 1.0.1...
[INFO] testing ed25519-dalek-blake2-feeless-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ed25519-dalek-blake2-feeless 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ed25519-dalek-blake2-feeless 1.0.1 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 ed25519-dalek-blake2-feeless 1.0.1
[INFO] finished tweaking crates.io crate ed25519-dalek-blake2-feeless 1.0.1
[INFO] tweaked toml for crates.io crate ed25519-dalek-blake2-feeless 1.0.1 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0ac7560544a78329713b7a8e367273cd9df6588c023540f26cfe89ed1315071
[INFO] running `Command { std: "docker" "start" "-a" "d0ac7560544a78329713b7a8e367273cd9df6588c023540f26cfe89ed1315071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ac7560544a78329713b7a8e367273cd9df6588c023540f26cfe89ed1315071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ac7560544a78329713b7a8e367273cd9df6588c023540f26cfe89ed1315071", kill_on_drop: false }`
[INFO] [stdout] d0ac7560544a78329713b7a8e367273cd9df6588c023540f26cfe89ed1315071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0c483d99b02079348d0314e643447a1277ecd8c8a4db7834ae32ed6a7c6edba7
[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" "0c483d99b02079348d0314e643447a1277ecd8c8a4db7834ae32ed6a7c6edba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling ed25519-dalek-blake2-feeless v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ArrayLengthError`
[INFO] [stdout]   --> src/errors.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     ArrayLengthError{ name_a: &'static str, length_a: usize,
[INFO] [stdout] 42 | |                       name_b: &'static str, length_b: usize,
[INFO] [stdout] 43 | |                       name_c: &'static str, length_c: usize, },
[INFO] [stdout]    | |______________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 3.69s
[INFO] running `Command { std: "docker" "inspect" "0c483d99b02079348d0314e643447a1277ecd8c8a4db7834ae32ed6a7c6edba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c483d99b02079348d0314e643447a1277ecd8c8a4db7834ae32ed6a7c6edba7", kill_on_drop: false }`
[INFO] [stdout] 0c483d99b02079348d0314e643447a1277ecd8c8a4db7834ae32ed6a7c6edba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 81f47ca661c2d753bf57e8671f389f7b347cf1f75f7c1dc6824fbb2d7ca8c80a
[INFO] running `Command { std: "docker" "start" "-a" "81f47ca661c2d753bf57e8671f389f7b347cf1f75f7c1dc6824fbb2d7ca8c80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stdout] warning: variant is never constructed: `ArrayLengthError`
[INFO] [stdout]   --> src/errors.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     ArrayLengthError{ name_a: &'static str, length_a: usize,
[INFO] [stdout] 42 | |                       name_b: &'static str, length_b: usize,
[INFO] [stdout] 43 | |                       name_c: &'static str, length_c: usize, },
[INFO] [stdout]    | |______________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ed25519-dalek-blake2-feeless v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `ed25519_dalek`
[INFO] [stdout]   --> tests/ed25519.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate ed25519_dalek;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ed25519-dalek-blake2-feeless` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81f47ca661c2d753bf57e8671f389f7b347cf1f75f7c1dc6824fbb2d7ca8c80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f47ca661c2d753bf57e8671f389f7b347cf1f75f7c1dc6824fbb2d7ca8c80a", kill_on_drop: false }`
[INFO] [stdout] 81f47ca661c2d753bf57e8671f389f7b347cf1f75f7c1dc6824fbb2d7ca8c80a