[INFO] fetching crate libipld-macro 0.9.0...
[INFO] testing libipld-macro-0.9.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libipld-macro 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libipld-macro 0.9.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b18c4d9f687deb6c9e7287ca399f704926ab89938560a7c89be9a6cb4d67838
[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" "0b18c4d9f687deb6c9e7287ca399f704926ab89938560a7c89be9a6cb4d67838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b18c4d9f687deb6c9e7287ca399f704926ab89938560a7c89be9a6cb4d67838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b18c4d9f687deb6c9e7287ca399f704926ab89938560a7c89be9a6cb4d67838", kill_on_drop: false }`
[INFO] [stdout] 0b18c4d9f687deb6c9e7287ca399f704926ab89938560a7c89be9a6cb4d67838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb3a507d5ebedd0e5f111e70a920b31c660cd095ae776109bf161b464250a91
[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" "feb3a507d5ebedd0e5f111e70a920b31c660cd095ae776109bf161b464250a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[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 multihash v0.13.2
[INFO] [stderr]    Compiling thiserror v1.0.23
[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 25.34s
[INFO] running `Command { std: "docker" "inspect" "feb3a507d5ebedd0e5f111e70a920b31c660cd095ae776109bf161b464250a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb3a507d5ebedd0e5f111e70a920b31c660cd095ae776109bf161b464250a91", kill_on_drop: false }`
[INFO] [stdout] feb3a507d5ebedd0e5f111e70a920b31c660cd095ae776109bf161b464250a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17e1b239408b905c46bc39d552884212a3aad6bc0b66455aea9350e4dee000d
[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" "b17e1b239408b905c46bc39d552884212a3aad6bc0b66455aea9350e4dee000d", 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" "b17e1b239408b905c46bc39d552884212a3aad6bc0b66455aea9350e4dee000d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17e1b239408b905c46bc39d552884212a3aad6bc0b66455aea9350e4dee000d", kill_on_drop: false }`
[INFO] [stdout] b17e1b239408b905c46bc39d552884212a3aad6bc0b66455aea9350e4dee000d