[INFO] cloning repository https://github.com/paritytech/parity-codec [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/parity-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 42db790aba1f5fba57ac47153353967c94a8d240 [INFO] checking paritytech/parity-codec against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/paritytech/parity-codec [INFO] finished tweaking git repo https://github.com/paritytech/parity-codec [INFO] tweaked toml for git repo https://github.com/paritytech/parity-codec written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/paritytech/parity-codec already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libm v0.2.6 [INFO] [stderr] Downloaded derive_arbitrary v1.3.2 [INFO] [stderr] Downloaded arbitrary v1.3.2 [INFO] [stderr] Downloaded wyz v0.5.0 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded os_str_bytes v6.5.0 [INFO] [stderr] Downloaded proptest v1.3.1 [INFO] [stderr] Downloaded linux-raw-sys v0.3.6 [INFO] [stderr] Downloaded honggfuzz v0.5.55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc9051a4c8bfb3e2037fcbd792ef2e43cad70f0cacd84bd76fcdd0771a286410 [INFO] running `Command { std: "docker" "start" "-a" "bc9051a4c8bfb3e2037fcbd792ef2e43cad70f0cacd84bd76fcdd0771a286410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc9051a4c8bfb3e2037fcbd792ef2e43cad70f0cacd84bd76fcdd0771a286410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc9051a4c8bfb3e2037fcbd792ef2e43cad70f0cacd84bd76fcdd0771a286410", kill_on_drop: false }` [INFO] [stdout] bc9051a4c8bfb3e2037fcbd792ef2e43cad70f0cacd84bd76fcdd0771a286410 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16d9fba51cdb0173100a9e3f0d44c6dc4edb29498320fa4d910eaadb637d41d4 [INFO] running `Command { std: "docker" "start" "-a" "16d9fba51cdb0173100a9e3f0d44c6dc4edb29498320fa4d910eaadb637d41d4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling hashbrown v0.14.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling winnow v0.5.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Compiling rustix v0.37.25 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking wyz v0.5.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking linux-raw-sys v0.3.6 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking indexmap v2.0.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking os_str_bytes v6.5.0 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] 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honggfuzz v0.5.55 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rustc_version v0.4.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking tempfile v3.5.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derive_arbitrary v1.3.2 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.3.1 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking toml_edit v0.22.7 [INFO] [stderr] Checking toml_edit v0.21.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking proc-macro-crate v3.1.0 [INFO] [stderr] Checking parity-scale-codec-derive v3.6.8 (/opt/rustwide/workdir/derive) [INFO] [stderr] Checking toml v0.8.11 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> derive/src/encode.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | Skip(&'a Field), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 106 | Skip(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> derive/src/encode.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | Skip(&'a Field), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 106 | Skip(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking parity-scale-codec v3.6.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/codec.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | convert::TryFrom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/codec.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | iter::FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/codec.rs:47:2 [INFO] [stdout] | [INFO] [stdout] 47 | boxed::Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToOwned` is imported redundantly [INFO] [stdout] --> src/codec.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | borrow::{Cow, ToOwned}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToOwned` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/codec.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 53 | string::String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/compact.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/joiner.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/error.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/max_encoded_len.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/const_encoded_len.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/codec.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | convert::TryFrom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/codec.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | iter::FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/codec.rs:47:2 [INFO] [stdout] | [INFO] [stdout] 47 | boxed::Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToOwned` is imported redundantly [INFO] [stdout] --> src/codec.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | borrow::{Cow, ToOwned}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToOwned` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/codec.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 53 | string::String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/compact.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/joiner.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/error.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/max_encoded_len.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/const_encoded_len.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/codec.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | convert::TryFrom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/codec.rs:47:2 [INFO] [stdout] | [INFO] [stdout] 47 | boxed::Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToOwned` is imported redundantly [INFO] [stdout] --> src/codec.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | borrow::{Cow, ToOwned}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToOwned` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Cow` is imported redundantly [INFO] [stdout] --> src/codec.rs:1595:6 [INFO] [stdout] | [INFO] [stdout] 1594 | use super::*; [INFO] [stdout] | -------- the item `Cow` is already imported here [INFO] [stdout] 1595 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/joiner.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/keyedvec.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Encode` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:146:21 [INFO] [stdout] | [INFO] [stdout] 145 | use super::*; [INFO] [stdout] | -------- the item `Encode` is already imported here [INFO] [stdout] 146 | use crate::{Input, Encode, EncodeLike}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `EncodeLike` is imported redundantly [INFO] [stdout] --> src/encode_append.rs:146:29 [INFO] [stdout] | [INFO] [stdout] 145 | use super::*; [INFO] [stdout] | -------- the item `EncodeLike` is already imported here [INFO] [stdout] 146 | use crate::{Input, Encode, EncodeLike}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/error.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/max_encoded_len.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use crate::alloc::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking codec-fuzzer v0.1.0 (/opt/rustwide/workdir/fuzzer) [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> benches/benches.rs:15:53 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{time::Duration, any::type_name, convert::{TryFrom, TryInto}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> benches/benches.rs:15:62 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{time::Duration, any::type_name, convert::{TryFrom, TryInto}}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/chain-error.rs:27:22 [INFO] [stdout] | [INFO] [stdout] 27 | struct StructUnnamed(u16); [INFO] [stdout] | ------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `StructUnnamed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 | struct StructUnnamed(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/chain-error.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | VariantUnnamed(u16), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 32 | VariantUnnamed(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/type_inference.rs:34:54 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct B((T::AccountId, T::AccountId), Vec<(T::Value, T::Value)>); [INFO] [stdout] | - field in this struct ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 34 | pub struct B((T::AccountId, T::AccountId), ()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> derive/src/encode.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | Skip(&'a Field), [INFO] [stdout] | ---- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 106 | Skip(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/mod.rs:672:29 [INFO] [stdout] | [INFO] [stdout] 672 | struct HugeArrayNewtypeBox(Box); [INFO] [stdout] | ------------------- ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 672 | struct HugeArrayNewtypeBox(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/mod.rs:715:27 [INFO] [stdout] | [INFO] [stdout] 715 | struct NewtypeWithZstBox(Box); [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 715 | struct NewtypeWithZstBox(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/mod.rs:766:16 [INFO] [stdout] | [INFO] [stdout] 766 | struct Foobar(u8); [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 766 | struct Foobar(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/mod.rs:790:16 [INFO] [stdout] | [INFO] [stdout] 790 | struct Foobar(u8); [INFO] [stdout] | ------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 790 | struct Foobar(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.79s [INFO] running `Command { std: "docker" "inspect" "16d9fba51cdb0173100a9e3f0d44c6dc4edb29498320fa4d910eaadb637d41d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16d9fba51cdb0173100a9e3f0d44c6dc4edb29498320fa4d910eaadb637d41d4", kill_on_drop: false }` [INFO] [stdout] 16d9fba51cdb0173100a9e3f0d44c6dc4edb29498320fa4d910eaadb637d41d4