[INFO] fetching crate libipld-macro 0.8.0...
[INFO] checking libipld-macro-0.8.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate libipld-macro 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libipld-macro 0.8.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libipld-macro 0.8.0
[INFO] finished tweaking crates.io crate libipld-macro 0.8.0
[INFO] tweaked toml for crates.io crate libipld-macro 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e064554554a813ebb4fcd203b3383c3079232a0d26ebca4227311652b49e81
[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" "a7e064554554a813ebb4fcd203b3383c3079232a0d26ebca4227311652b49e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e064554554a813ebb4fcd203b3383c3079232a0d26ebca4227311652b49e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e064554554a813ebb4fcd203b3383c3079232a0d26ebca4227311652b49e81", kill_on_drop: false }`
[INFO] [stdout] a7e064554554a813ebb4fcd203b3383c3079232a0d26ebca4227311652b49e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--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] 1e9fe040789c5b2ccc253801c3c3af274e2d26e4e4e0b39ca8744ba029289b8f
[INFO] running `Command { std: "docker" "start" "-a" "1e9fe040789c5b2ccc253801c3c3af274e2d26e4e4e0b39ca8744ba029289b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking data-encoding-macro v0.1.10
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking cid v0.6.0
[INFO] [stderr]     Checking libipld-core v0.8.0
[INFO] [stderr]     Checking libipld-macro v0.8.0 (/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" "1e9fe040789c5b2ccc253801c3c3af274e2d26e4e4e0b39ca8744ba029289b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9fe040789c5b2ccc253801c3c3af274e2d26e4e4e0b39ca8744ba029289b8f", kill_on_drop: false }`
[INFO] [stdout] 1e9fe040789c5b2ccc253801c3c3af274e2d26e4e4e0b39ca8744ba029289b8f