[INFO] fetching crate pallet-mmr-primitives 3.0.0...
[INFO] checking pallet-mmr-primitives-3.0.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate pallet-mmr-primitives 3.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pallet-mmr-primitives 3.0.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] c69fd876d5484ca221d401c2bfcf7f309ce1bcc64989561cf62d2bdd093e1b38
[INFO] running `Command { std: "docker" "start" "-a" "c69fd876d5484ca221d401c2bfcf7f309ce1bcc64989561cf62d2bdd093e1b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c69fd876d5484ca221d401c2bfcf7f309ce1bcc64989561cf62d2bdd093e1b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69fd876d5484ca221d401c2bfcf7f309ce1bcc64989561cf62d2bdd093e1b38", kill_on_drop: false }`
[INFO] [stdout] c69fd876d5484ca221d401c2bfcf7f309ce1bcc64989561cf62d2bdd093e1b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 118116da3afa1fb34f6a3d8a130a9acb9c35112e2757aac52be615250f1b434b
[INFO] running `Command { std: "docker" "start" "-a" "118116da3afa1fb34f6a3d8a130a9acb9c35112e2757aac52be615250f1b434b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling frame-support-procedural-tools v3.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]    Compiling frame-support-procedural v3.0.0
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]     Checking impl-codec v0.5.1
[INFO] [stderr]     Checking sp-storage v3.0.0
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking primitive-types v0.9.1
[INFO] [stderr]     Checking sp-externalities v0.9.0
[INFO] [stderr]     Checking parity-util-mem v0.9.0
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking sp-core v3.0.0
[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] running `Command { std: "docker" "inspect" "118116da3afa1fb34f6a3d8a130a9acb9c35112e2757aac52be615250f1b434b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118116da3afa1fb34f6a3d8a130a9acb9c35112e2757aac52be615250f1b434b", kill_on_drop: false }`
[INFO] [stdout] 118116da3afa1fb34f6a3d8a130a9acb9c35112e2757aac52be615250f1b434b