[INFO] cloning repository https://github.com/freesig/pixel_chain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freesig/pixel_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreesig%2Fpixel_chain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreesig%2Fpixel_chain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82250cc38b9f39939c9f2906a3346a8e030c8c4f [INFO] checking freesig/pixel_chain against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreesig%2Fpixel_chain" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/freesig/pixel_chain on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/freesig/pixel_chain [INFO] finished tweaking git repo https://github.com/freesig/pixel_chain [INFO] tweaked toml for git repo https://github.com/freesig/pixel_chain written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/freesig/pixel_chain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trie-root v0.12.4 [INFO] [stderr] Downloaded hash-db v0.12.4 [INFO] [stderr] Downloaded malloc_size_of_derive v0.1.0 [INFO] [stderr] Downloaded toml v0.5.1 [INFO] [stderr] Downloaded hash256-std-hasher v0.12.4 [INFO] [stderr] Downloaded uint v0.7.1 [INFO] [stderr] Downloaded serde v1.0.93 [INFO] [stderr] Downloaded schnorrkel v0.1.1 [INFO] [stderr] Downloaded backtrace v0.3.31 [INFO] [stderr] Downloaded curve25519-dalek v1.2.1 [INFO] [stderr] Downloaded wasmi-validation v0.1.0 [INFO] [stderr] Downloaded parity-util-mem v0.1.0 [INFO] [stderr] Downloaded memory-db v0.12.4 [INFO] [stderr] Downloaded trie-db v0.12.4 [INFO] [stderr] Downloaded tiny-bip39 v0.6.2 [INFO] [stderr] Downloaded fixed-hash v0.3.2 [INFO] [stderr] Downloaded wasmi v0.4.5 [INFO] [stderr] Downloaded parity-codec-derive v3.3.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.7 [INFO] [stderr] Downloaded twox-hash v1.3.0 [INFO] [stderr] Downloaded subtle v2.1.0 [INFO] [stderr] Downloaded impl-serde v0.2.0 [INFO] [stderr] Downloaded hashmap_core v0.1.10 [INFO] [stderr] Downloaded merlin v1.1.0 [INFO] [stderr] Downloaded primitive-types v0.2.4 [INFO] [stderr] Downloaded tiny-keccak v1.4.4 [INFO] [stderr] Downloaded parity-codec v3.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7980b4fb8f6d3901ad869faf67b48a38aad4b2da3b63c88ee4ca64833dc0f86f [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" "7980b4fb8f6d3901ad869faf67b48a38aad4b2da3b63c88ee4ca64833dc0f86f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7980b4fb8f6d3901ad869faf67b48a38aad4b2da3b63c88ee4ca64833dc0f86f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7980b4fb8f6d3901ad869faf67b48a38aad4b2da3b63c88ee4ca64833dc0f86f", kill_on_drop: false }` [INFO] [stdout] 7980b4fb8f6d3901ad869faf67b48a38aad4b2da3b63c88ee4ca64833dc0f86f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95fb214c65c755b185b2ef4a3d0e870a0d78395cd825c912adb796a43e5e23a3 [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" "95fb214c65c755b185b2ef4a3d0e870a0d78395cd825c912adb796a43e5e23a3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.38 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling subtle v2.1.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking constant_time_eq v0.1.3 [INFO] [stderr] Checking rustc-hex v2.0.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking hash-db v0.12.4 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Checking memory_units v0.3.0 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking base58 v0.1.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking integer-sqrt v0.1.2 [INFO] [stderr] Checking bitmask v0.5.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.31 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking trie-root v0.12.4 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Compiling safe-mix v1.0.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling proc-macro-hack v0.4.1 [INFO] [stderr] Checking hash256-std-hasher v0.12.4 [INFO] [stderr] Checking tiny-keccak v1.4.4 [INFO] [stderr] Compiling hex-literal-impl v0.1.2 [INFO] [stderr] Checking elastic-array v0.10.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking parity-wasm v0.31.3 [INFO] [stderr] Checking hashbrown v0.1.8 [INFO] [stderr] Checking uint v0.7.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking merlin v1.1.0 [INFO] [stderr] Checking substrate-panic-handler v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking fixed-hash v0.3.2 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking hex-literal v0.1.4 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking crypto-mac v0.4.0 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking twox-hash v1.3.0 [INFO] [stderr] Checking trie-db v0.12.4 [INFO] [stderr] Checking hmac v0.4.2 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Compiling curve25519-dalek v1.2.1 [INFO] [stderr] Checking hmac-drbg v0.1.2 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking hmac v0.7.0 [INFO] [stderr] Checking libsecp256k1 v0.2.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking once_cell v0.1.8 [INFO] [stderr] Checking regex v1.1.7 [INFO] [stderr] Checking wasmi-validation v0.1.0 [INFO] [stderr] Checking wasmi v0.4.5 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling malloc_size_of_derive v0.1.0 [INFO] [stderr] Compiling srml-support-procedural-tools-derive v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Compiling proc-macro-hack v0.5.7 [INFO] [stderr] Checking parity-util-mem v0.1.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking memory-db v0.12.4 [INFO] [stderr] Compiling paste-impl v0.1.5 [INFO] [stderr] Checking ed25519-dalek v1.0.0-pre.1 [INFO] [stderr] Checking tiny-bip39 v0.6.2 [INFO] [stderr] Checking schnorrkel v0.1.1 [INFO] [stderr] Checking substrate-bip39 v0.2.1 (https://github.com/paritytech/substrate-bip39#44307fda) [INFO] [stderr] Checking paste v0.1.5 [INFO] [stderr] Checking impl-serde v0.2.0 [INFO] [stderr] Checking impl-serde v0.1.1 [INFO] [stderr] Compiling toml v0.5.1 [INFO] [stderr] Compiling proc-macro-crate v0.1.4 [INFO] [stderr] Compiling srml-support-procedural-tools v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Compiling parity-codec-derive v3.3.0 [INFO] [stderr] Compiling sr-api-macros v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking parity-codec v3.5.1 [INFO] [stderr] Checking impl-codec v0.2.0 [INFO] [stderr] Checking primitive-types v0.2.4 [INFO] [stderr] Checking substrate-primitives v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking substrate-trie v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking srml-metadata v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking substrate-state-machine v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Compiling srml-support-procedural v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking sr-primitives v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking substrate-inherents v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking srml-support v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking srml-system v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#bb684569) [INFO] [stderr] Checking substrate-module-template v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | /// This module's storage items. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | /// This module's storage items. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 52s [INFO] running `Command { std: "docker" "inspect" "95fb214c65c755b185b2ef4a3d0e870a0d78395cd825c912adb796a43e5e23a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95fb214c65c755b185b2ef4a3d0e870a0d78395cd825c912adb796a43e5e23a3", kill_on_drop: false }` [INFO] [stdout] 95fb214c65c755b185b2ef4a3d0e870a0d78395cd825c912adb796a43e5e23a3