[INFO] fetching crate libipld-macro 0.9.0...
[INFO] testing libipld-macro-0.9.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libipld-macro 0.9.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libipld-macro 0.9.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libipld-macro 0.9.0
[INFO] finished tweaking crates.io crate libipld-macro 0.9.0
[INFO] tweaked toml for crates.io crate libipld-macro 0.9.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae45f90e76882e2a21aaaa650779174a411b0b6bfad29ba2d00133539d9d77e0
[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" "ae45f90e76882e2a21aaaa650779174a411b0b6bfad29ba2d00133539d9d77e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae45f90e76882e2a21aaaa650779174a411b0b6bfad29ba2d00133539d9d77e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae45f90e76882e2a21aaaa650779174a411b0b6bfad29ba2d00133539d9d77e0", kill_on_drop: false }`
[INFO] [stdout] ae45f90e76882e2a21aaaa650779174a411b0b6bfad29ba2d00133539d9d77e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 561e2257a5da75c654c47210f9ae727e6043b38ff4865375c80be7e704e7e60d
[INFO] running `Command { std: "docker" "start" "-a" "561e2257a5da75c654c47210f9ae727e6043b38ff4865375c80be7e704e7e60d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling data-encoding-macro v0.1.10
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling cid v0.6.0
[INFO] [stderr]    Compiling libipld-core v0.9.0
[INFO] [stderr]    Compiling libipld-macro v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.84s
[INFO] running `Command { std: "docker" "inspect" "561e2257a5da75c654c47210f9ae727e6043b38ff4865375c80be7e704e7e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561e2257a5da75c654c47210f9ae727e6043b38ff4865375c80be7e704e7e60d", kill_on_drop: false }`
[INFO] [stdout] 561e2257a5da75c654c47210f9ae727e6043b38ff4865375c80be7e704e7e60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7184101335ad2cd59711cd435003c926cf7eeb6537c7fc66f70d061a54e3bf0d
[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" "7184101335ad2cd59711cd435003c926cf7eeb6537c7fc66f70d061a54e3bf0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libipld-macro v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libipld_core::multihash::Code`
[INFO] [stdout]    --> src/lib.rs:296:35
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use libipld_core::multihash::{Code, MultihashDigest};
[INFO] [stdout]     |                                   ^^^^ no `Code` in `multihash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MultihashDigest`
[INFO] [stdout]    --> src/lib.rs:296:41
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use libipld_core::multihash::{Code, MultihashDigest};
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libipld-macro`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7184101335ad2cd59711cd435003c926cf7eeb6537c7fc66f70d061a54e3bf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7184101335ad2cd59711cd435003c926cf7eeb6537c7fc66f70d061a54e3bf0d", kill_on_drop: false }`
[INFO] [stdout] 7184101335ad2cd59711cd435003c926cf7eeb6537c7fc66f70d061a54e3bf0d