[INFO] fetching crate tmp-ed25519 1.0.0-pre.3...
[INFO] checking tmp-ed25519-1.0.0-pre.3 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate tmp-ed25519 1.0.0-pre.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tmp-ed25519 1.0.0-pre.3 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tmp-ed25519 1.0.0-pre.3
[INFO] finished tweaking crates.io crate tmp-ed25519 1.0.0-pre.3
[INFO] tweaked toml for crates.io crate tmp-ed25519 1.0.0-pre.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded subtle v2.3.0
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded merlin v1.3.0
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded sha2-asm v0.5.4
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 1999556eb8470a23a126c9188170dd11af589edd0651c150462c2ae7d03dc74d
[INFO] running `Command { std: "docker" "start" "-a" "1999556eb8470a23a126c9188170dd11af589edd0651c150462c2ae7d03dc74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1999556eb8470a23a126c9188170dd11af589edd0651c150462c2ae7d03dc74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1999556eb8470a23a126c9188170dd11af589edd0651c150462c2ae7d03dc74d", kill_on_drop: false }`
[INFO] [stdout] 1999556eb8470a23a126c9188170dd11af589edd0651c150462c2ae7d03dc74d
[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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b73f73da13ec8db8c7f773821ccc388cc4185d89fceb9191ffd2b150f377a193
[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" "b73f73da13ec8db8c7f773821ccc388cc4185d89fceb9191ffd2b150f377a193", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tmp-ed25519 v1.0.0-pre.3 (/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]     Checking regex v1.3.9
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0463]: can't find crate for `ed25519_dalek`
[INFO] [stdout]   --> benches/ed25519_benchmarks.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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 `tmp-ed25519`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b73f73da13ec8db8c7f773821ccc388cc4185d89fceb9191ffd2b150f377a193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73f73da13ec8db8c7f773821ccc388cc4185d89fceb9191ffd2b150f377a193", kill_on_drop: false }`
[INFO] [stdout] b73f73da13ec8db8c7f773821ccc388cc4185d89fceb9191ffd2b150f377a193