[INFO] fetching crate ipld-core 0.4.3...
[INFO] checking ipld-core-0.4.3 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate ipld-core 0.4.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ipld-core 0.4.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ipld-core 0.4.3
[INFO] tweaked toml for crates.io crate ipld-core 0.4.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipld-core 0.4.3 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ipld-core 0.4.3 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354
[INFO] running `Command { std: "docker" "start" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking cbor4ii v0.2.14
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking cid v0.11.1
[INFO] [stderr]     Checking ipld-core v0.4.2
[INFO] [stderr]     Checking ipld-core v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/convert.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | macro_rules! derive_into_ipld {
[INFO] [stdout] ...
[INFO] [stdout] 136 |                 Ipld::$enum(t$(.$fn())*)
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 | derive_into_ipld!(String, String, into);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<String as Into<String>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Vec<u8>`
[INFO] [stdout]    --> src/convert.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | macro_rules! derive_into_ipld {
[INFO] [stdout] ...
[INFO] [stdout] 136 |                 Ipld::$enum(t$(.$fn())*)
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 | derive_into_ipld!(Bytes, Vec<u8>, into);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<Vec<u8> as Into<Vec<u8>>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Vec<Ipld>`
[INFO] [stdout]    --> src/convert.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | macro_rules! derive_into_ipld {
[INFO] [stdout] ...
[INFO] [stdout] 136 |                 Ipld::$enum(t$(.$fn())*)
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 | derive_into_ipld!(List, Vec<Ipld>, into);
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<Vec<Ipld> as Into<Vec<Ipld>>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipld-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354", kill_on_drop: false }`
[INFO] [stdout] 0db4c23c0df0b874eac066aeac3ce49eba65ff9fbee0ecb37a9007c972d6f354
