[INFO] fetching crate pallet-mmr-primitives 3.0.0...
[INFO] checking pallet-mmr-primitives-3.0.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate pallet-mmr-primitives 3.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pallet-mmr-primitives 3.0.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-mmr-primitives 3.0.0
[INFO] finished tweaking crates.io crate pallet-mmr-primitives 3.0.0
[INFO] tweaked toml for crates.io crate pallet-mmr-primitives 3.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", 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] bcda21452fb290c7ffe41907b97f42a4029ea19f63e45d9e0ed6b382a86c30e4
[INFO] running `Command { std: "docker" "start" "-a" "bcda21452fb290c7ffe41907b97f42a4029ea19f63e45d9e0ed6b382a86c30e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcda21452fb290c7ffe41907b97f42a4029ea19f63e45d9e0ed6b382a86c30e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcda21452fb290c7ffe41907b97f42a4029ea19f63e45d9e0ed6b382a86c30e4", kill_on_drop: false }`
[INFO] [stdout] bcda21452fb290c7ffe41907b97f42a4029ea19f63e45d9e0ed6b382a86c30e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b4775f222c0857cd383376f4596678606b6c8519a1e0f8d843373e07bf9f57
[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" "73b4775f222c0857cd383376f4596678606b6c8519a1e0f8d843373e07bf9f57", kill_on_drop: false }`
[INFO] [stderr]     Checking trie-db v0.22.3
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking sp-trie v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0
[INFO] [stderr]     Checking sp-inherents v3.0.0
[INFO] [stderr]     Checking frame-metadata v13.0.0
[INFO] [stderr]     Checking sp-state-machine v0.9.0
[INFO] [stderr]     Checking sp-io v3.0.0
[INFO] [stderr]     Checking sp-application-crypto v3.0.0
[INFO] [stderr]     Checking sp-runtime v3.0.0
[INFO] [stderr]     Checking sp-staking v3.0.0
[INFO] [stderr]     Checking sp-version v3.0.0
[INFO] [stderr]     Checking frame-support v3.0.0
[INFO] [stderr]     Checking sp-api v3.0.0
[INFO] [stderr]     Checking frame-system v3.0.0
[INFO] [stderr]     Checking pallet-mmr-primitives v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hex_literal`
[INFO] [stdout]    --> src/lib.rs:449:4
[INFO] [stdout]     |
[INFO] [stdout] 449 |             hex_literal::hex!(
[INFO] [stdout]     |             ^^^^^^^^^^^ use of undeclared crate or module `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hex_literal`
[INFO] [stdout]    --> src/lib.rs:446:28
[INFO] [stdout]     |
[INFO] [stdout] 446 |         assert_eq!(&encoded[0], &hex_literal::hex!("00343048656c6c6f20576f726c6421"));
[INFO] [stdout]     |                                  ^^^^^^^^^^^ use of undeclared crate or module `hex_literal`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-mmr-primitives`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "73b4775f222c0857cd383376f4596678606b6c8519a1e0f8d843373e07bf9f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b4775f222c0857cd383376f4596678606b6c8519a1e0f8d843373e07bf9f57", kill_on_drop: false }`
[INFO] [stdout] 73b4775f222c0857cd383376f4596678606b6c8519a1e0f8d843373e07bf9f57