[INFO] fetching crate dag-cbor-derive 0.1.0...
[INFO] checking dag-cbor-derive-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate dag-cbor-derive 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dag-cbor-derive 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dag-cbor-derive 0.1.0
[INFO] finished tweaking crates.io crate dag-cbor-derive 0.1.0
[INFO] tweaked toml for crates.io crate dag-cbor-derive 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate dag-cbor-derive 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 381371cb0ccc399fc54d824da7a40e17217529146ec364724274e7590a1b9c22
[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" "381371cb0ccc399fc54d824da7a40e17217529146ec364724274e7590a1b9c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "381371cb0ccc399fc54d824da7a40e17217529146ec364724274e7590a1b9c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381371cb0ccc399fc54d824da7a40e17217529146ec364724274e7590a1b9c22", kill_on_drop: false }`
[INFO] [stdout] 381371cb0ccc399fc54d824da7a40e17217529146ec364724274e7590a1b9c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccc54ad7e79155779a0b8ce37b4ed88fe6c17b51291107089ee0934c3b605dc6
[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" "ccc54ad7e79155779a0b8ce37b4ed88fe6c17b51291107089ee0934c3b605dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking proc-macro2 v1.0.9
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking synstructure v0.12.3
[INFO] [stderr]     Checking dag-cbor-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.23
[INFO] [stdout] error[E0432]: unresolved import `dag_cbor`
[INFO] [stdout]  --> examples/basic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dag_cbor::{Codec, DagCborCodec, ReadCbor, WriteCbor};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `dag_cbor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libipld_macro`
[INFO] [stdout]  --> examples/basic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libipld_macro::{ipld, Ipld};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `libipld_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         ipld!({
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         ipld!([false, 0])
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         ipld!([])
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         ipld!({ "A": [] })
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         ipld!({ "B": [true, 42] })
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/basic.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         ipld!({ "C": { "boolean": true, "int": 42} })
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `dag_cbor`
[INFO] [stdout]  --> examples/name_attr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dag_cbor::{Codec, DagCborCodec, ReadCbor, WriteCbor};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `dag_cbor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libipld_macro`
[INFO] [stdout]  --> examples/name_attr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libipld_macro::ipld;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `libipld_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/name_attr.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let expect = ipld!({
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `dag_cbor`
[INFO] [stdout]  --> examples/repr_attr.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dag_cbor::{Codec, DagCborCodec, ReadCbor, WriteCbor};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `dag_cbor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libipld_macro`
[INFO] [stdout]  --> examples/repr_attr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libipld_macro::ipld;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `libipld_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/repr_attr.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ipld!([false, false])
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/repr_attr.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         ipld!([true])
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ipld`
[INFO] [stdout]   --> examples/repr_attr.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         ipld!({ "a": 42 })
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::export::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]  --> examples/name_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `IpldError`
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared type `IpldError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::export::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]  --> examples/basic.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::export::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]   --> examples/basic.rs:19:44
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Write;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::export::fmt::Write;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dag-cbor-derive`
[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] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::export::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::export::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]   --> examples/basic.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]    |                                            ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::export::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `ipld` is ambiguous (derive helper attribute vs any other name)
[INFO] [stdout]  --> examples/repr_attr.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[ipld(repr = "list")]
[INFO] [stdout]   |   ^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout] note: `ipld` could refer to the derive helper attribute defined here
[INFO] [stdout]  --> examples/repr_attr.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Clone, Debug, Default, PartialEq, DagCbor)]
[INFO] [stdout]   |                                            ^^^^^^^
[INFO] [stdout] note: `ipld` could also refer to the unresolved item imported here
[INFO] [stdout]  --> examples/repr_attr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libipld_macro::ipld;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `crate::ipld` to refer to this unresolved item unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]   --> examples/basic.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `ipld` is ambiguous (derive helper attribute vs any other name)
[INFO] [stdout]   --> examples/repr_attr.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[ipld(repr = "kinded")]
[INFO] [stdout]    |   ^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout] note: `ipld` could refer to the derive helper attribute defined here
[INFO] [stdout]   --> examples/repr_attr.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] note: `ipld` could also refer to the unresolved item imported here
[INFO] [stdout]   --> examples/repr_attr.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libipld_macro::ipld;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: use `crate::ipld` to refer to this unresolved item unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Write` in this scope
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Write;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::export::fmt::Write;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `write_u64` in this scope
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_u8` in this scope
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_key` in this scope
[INFO] [stdout]   --> examples/basic.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Clone, Debug, PartialEq, DagCbor)]
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0433, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 41 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ccc54ad7e79155779a0b8ce37b4ed88fe6c17b51291107089ee0934c3b605dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc54ad7e79155779a0b8ce37b4ed88fe6c17b51291107089ee0934c3b605dc6", kill_on_drop: false }`
[INFO] [stdout] ccc54ad7e79155779a0b8ce37b4ed88fe6c17b51291107089ee0934c3b605dc6