[INFO] fetching crate dag-cbor 0.1.0...
[INFO] testing dag-cbor-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dag-cbor 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate dag-cbor 0.1.0 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 dag-cbor 0.1.0
[INFO] finished tweaking crates.io crate dag-cbor 0.1.0
[INFO] tweaked toml for crates.io crate dag-cbor 0.1.0 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 7a68c390159fa9cf47069d7d5077919a5ef04fe211a6c5cbdf3fd0b89874dbb6
[INFO] running `Command { std: "docker" "start" "-a" "7a68c390159fa9cf47069d7d5077919a5ef04fe211a6c5cbdf3fd0b89874dbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a68c390159fa9cf47069d7d5077919a5ef04fe211a6c5cbdf3fd0b89874dbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a68c390159fa9cf47069d7d5077919a5ef04fe211a6c5cbdf3fd0b89874dbb6", kill_on_drop: false }`
[INFO] [stdout] 7a68c390159fa9cf47069d7d5077919a5ef04fe211a6c5cbdf3fd0b89874dbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e92f96de2262141148dbd7dfa3064c90f59e55edf2d182e5f5b12a2cd209505b
[INFO] running `Command { std: "docker" "start" "-a" "e92f96de2262141148dbd7dfa3064c90f59e55edf2d182e5f5b12a2cd209505b", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling cid v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling libipld-base v0.1.0
[INFO] [stderr]    Compiling dag-cbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "e92f96de2262141148dbd7dfa3064c90f59e55edf2d182e5f5b12a2cd209505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92f96de2262141148dbd7dfa3064c90f59e55edf2d182e5f5b12a2cd209505b", kill_on_drop: false }`
[INFO] [stdout] e92f96de2262141148dbd7dfa3064c90f59e55edf2d182e5f5b12a2cd209505b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] feff565c99db8dc9a560e17ccfeba38e64f854888664c83f055054a9f42f4891
[INFO] running `Command { std: "docker" "start" "-a" "feff565c99db8dc9a560e17ccfeba38e64f854888664c83f055054a9f42f4891", kill_on_drop: false }`
[INFO] [stderr]    Compiling dag-cbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libipld_macro`
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     use libipld_macro::ipld;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ use of undeclared crate or module `libipld_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> src/lib.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let ipld = ipld!({
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dag-cbor` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "feff565c99db8dc9a560e17ccfeba38e64f854888664c83f055054a9f42f4891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feff565c99db8dc9a560e17ccfeba38e64f854888664c83f055054a9f42f4891", kill_on_drop: false }`
[INFO] [stdout] feff565c99db8dc9a560e17ccfeba38e64f854888664c83f055054a9f42f4891