[INFO] fetching crate dag-cbor 0.1.0...
[INFO] testing dag-cbor-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dag-cbor 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dag-cbor 0.1.0 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 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-7/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a56033833872a36040d9fed2ebbccc3427dfe20533b8aab2cb76f6abefdc07c6
[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" "a56033833872a36040d9fed2ebbccc3427dfe20533b8aab2cb76f6abefdc07c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a56033833872a36040d9fed2ebbccc3427dfe20533b8aab2cb76f6abefdc07c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56033833872a36040d9fed2ebbccc3427dfe20533b8aab2cb76f6abefdc07c6", kill_on_drop: false }`
[INFO] [stdout] a56033833872a36040d9fed2ebbccc3427dfe20533b8aab2cb76f6abefdc07c6
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17daf7347c19cf33adb9a61f70dcc202e83db8b088c9ab7c89f79ba69c4fff7
[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" "b17daf7347c19cf33adb9a61f70dcc202e83db8b088c9ab7c89f79ba69c4fff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[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 cid v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[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 22.87s
[INFO] running `Command { std: "docker" "inspect" "b17daf7347c19cf33adb9a61f70dcc202e83db8b088c9ab7c89f79ba69c4fff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17daf7347c19cf33adb9a61f70dcc202e83db8b088c9ab7c89f79ba69c4fff7", kill_on_drop: false }`
[INFO] [stdout] b17daf7347c19cf33adb9a61f70dcc202e83db8b088c9ab7c89f79ba69c4fff7
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f61059e5b01091236d2a9116ef7a85b01c010cc950a3386e8ce7c5127a4b2536
[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" "f61059e5b01091236d2a9116ef7a85b01c010cc950a3386e8ce7c5127a4b2536", 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f61059e5b01091236d2a9116ef7a85b01c010cc950a3386e8ce7c5127a4b2536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61059e5b01091236d2a9116ef7a85b01c010cc950a3386e8ce7c5127a4b2536", kill_on_drop: false }`
[INFO] [stdout] f61059e5b01091236d2a9116ef7a85b01c010cc950a3386e8ce7c5127a4b2536