[INFO] fetching crate ipld-core 0.4.2...
[INFO] testing ipld-core-0.4.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate ipld-core 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ipld-core 0.4.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ipld-core 0.4.2
[INFO] tweaked toml for crates.io crate ipld-core 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipld-core 0.4.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ipld-core 0.4.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f5b9502e0a14d2edb09792a9d9981a23583e9fd37e6dff226d2660f579b776
[INFO] running `Command { std: "docker" "start" "-a" "18f5b9502e0a14d2edb09792a9d9981a23583e9fd37e6dff226d2660f579b776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f5b9502e0a14d2edb09792a9d9981a23583e9fd37e6dff226d2660f579b776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f5b9502e0a14d2edb09792a9d9981a23583e9fd37e6dff226d2660f579b776", kill_on_drop: false }`
[INFO] [stdout] 18f5b9502e0a14d2edb09792a9d9981a23583e9fd37e6dff226d2660f579b776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e2ab8950395836081974e019794a6a84cbf60932cdce9d88e52d7723b1d365
[INFO] running `Command { std: "docker" "start" "-a" "e7e2ab8950395836081974e019794a6a84cbf60932cdce9d88e52d7723b1d365", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling multihash v0.19.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling data-encoding-macro v0.1.14
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling cid v0.11.1
[INFO] [stderr]    Compiling ipld-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "e7e2ab8950395836081974e019794a6a84cbf60932cdce9d88e52d7723b1d365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e2ab8950395836081974e019794a6a84cbf60932cdce9d88e52d7723b1d365", kill_on_drop: false }`
[INFO] [stdout] e7e2ab8950395836081974e019794a6a84cbf60932cdce9d88e52d7723b1d365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 584206fa0eb8ffbd23e272dba485b0cf9731579d7589fb55a5deedace74edfd5
[INFO] running `Command { std: "docker" "start" "-a" "584206fa0eb8ffbd23e272dba485b0cf9731579d7589fb55a5deedace74edfd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_bytes v0.11.14
[INFO] [stderr]    Compiling multihash v0.19.1
[INFO] [stderr]    Compiling cbor4ii v0.2.14
[INFO] [stderr]    Compiling serde_test v1.0.176
[INFO] [stderr]    Compiling cid v0.11.1
[INFO] [stderr]    Compiling ipld-core v0.4.1
[INFO] [stderr]    Compiling ipld-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_ipld_dagcbor v0.6.0
[INFO] [stderr]    Compiling serde_ipld_dagjson v0.2.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.38s
[INFO] running `Command { std: "docker" "inspect" "584206fa0eb8ffbd23e272dba485b0cf9731579d7589fb55a5deedace74edfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584206fa0eb8ffbd23e272dba485b0cf9731579d7589fb55a5deedace74edfd5", kill_on_drop: false }`
[INFO] [stdout] 584206fa0eb8ffbd23e272dba485b0cf9731579d7589fb55a5deedace74edfd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dc9e5a1339e5262a5d13a7e1d0173d51d86a936e72474e77a31a4c8236cae3f
[INFO] running `Command { std: "docker" "start" "-a" "5dc9e5a1339e5262a5d13a7e1d0173d51d86a936e72474e77a31a4c8236cae3f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ipld_core-4f3dbcb7608ad058)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test convert::tests::try_into_floats ... ok
[INFO] [stdout] test convert::tests::try_into_ints ... ok
[INFO] [stdout] test convert::tests::try_into_list ... ok
[INFO] [stdout] test convert::tests::try_into_map ... ok
[INFO] [stdout] test convert::tests::try_into_bool ... ok
[INFO] [stdout] test ipld::tests::test_ipld_bool_from ... ok
[INFO] [stdout] test ipld::tests::test_get ... ok
[INFO] [stdout] test convert::tests::try_into_string ... ok
[INFO] [stdout] test convert::tests::try_into_vec ... ok
[INFO] [stdout] test ipld::tests::test_ipld_float_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_bytes_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_integer_from ... ok
[INFO] [stdout] test ipld::tests::test_ipld_link_from ... ok
[INFO] [stdout] test ipld::tests::test_partial_eq_nan ... ok
[INFO] [stdout] test ipld::tests::test_take ... ok
[INFO] [stdout] test ipld::tests::test_ipld_string_from ... ok
[INFO] [stdout] test convert::tests::try_into_cid ... ok
[INFO] [stdout] test convert::tests::try_into_wrong_range - should panic ... ok
[INFO] [stdout] test convert::tests::try_into_wrong_type - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macros.rs (/opt/rustwide/target/debug/deps/macros-8308100211f56ef8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_deserialize.rs (/opt/rustwide/target/debug/deps/serde_deserialize-ad834ac249236229)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_deserializer.rs (/opt/rustwide/target/debug/deps/serde_deserializer-400ea25f82e138c5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_serialize.rs (/opt/rustwide/target/debug/deps/serde_serialize-2ae58c0bdc8cb0aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_serializer.rs (/opt/rustwide/target/debug/deps/serde_serializer-2beb9b5425aa871c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipld_core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/macros.rs - macros::ipld (line 4) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/macros.rs - macros::ipld (line 27) ... ok
[INFO] [stdout] test src/macros.rs - macros::ipld (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 68) stdout ----
[INFO] [stdout] error[E0599]: no function or associated item named `encode` found for struct `DagJsonCodec` in the current scope
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     DagJsonCodec::encode(&mut encoded, &data).unwrap();
[INFO] [stdout]    |                   ^^^^^^ function or associated item not found in `DagJsonCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the trait that is needed
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn encode<W: Write>(writer: W, data: &T) -> Result<(), Self::Error>;
[INFO] [stdout]    |     -------------------------------------------------------------------- the associated function is available for `DagJsonCodec` here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout]  4 | use ipld_core::{codec::{Codec, Links}, ipld, cid::Cid};
[INFO] [stdout]    |                         ----- `Codec` imported here doesn't correspond to the right version of crate `ipld_core`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ------------------------- this is the trait that was imported
[INFO] [stdout] help: there is an associated function `decode` with a similar name
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn decode<R: BufRead>(reader: R) -> Result<T, Self::Error>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `links` found for struct `DagJsonCodec` in the current scope
[INFO] [stdout]   --> src/lib.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let links = DagJsonCodec::links(&encoded).unwrap().collect::<Vec<_>>();
[INFO] [stdout]    |                               ^^^^^ function or associated item not found in `DagJsonCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ this is the trait that is needed
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn links(bytes: &[u8]) -> Result<impl Iterator<Item = Cid>, Self::LinksError>;
[INFO] [stdout]    |     ------------------------------------------------------------------------------ the associated function is available for `DagJsonCodec` here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout]  4 | use ipld_core::{codec::{Codec, Links}, ipld, cid::Cid};
[INFO] [stdout]    |                                ----- `Links` imported here doesn't correspond to the right version of crate `ipld_core`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/codec.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Links {
[INFO] [stdout]    | --------------- this is the trait that was imported
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/lib.rs:27:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |     ^^^^^ help: a similar path exists: `cid::serde`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DagCborCodec: Codec<_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:50:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let cbor_encoded = encode_generic::<DagCborCodec, _>(&tree);
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ the trait `Codec<_>` is not implemented for `DagCborCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/workdir/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | extern crate r#ipld_core;
[INFO] [stdout]    | ------------------------- one version of crate `ipld_core` used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout]  8 | use serde_ipld_dagcbor::codec::DagCborCodec;
[INFO] [stdout]    |     ------------------ one version of crate `ipld_core` used here, as a dependency of crate `serde_ipld_dagcbor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_ipld_dagcbor-0.6.0/src/codec.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DagCborCodec;
[INFO] [stdout]    | ----------------------- this type doesn't implement the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ------------------------- this is the found trait
[INFO] [stdout]    = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: required by a bound in `encode_generic`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn encode_generic<C, T>(value: &T) -> Result<Vec<u8>, C::Error>
[INFO] [stdout]    |    -------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     C: Codec<T>,
[INFO] [stdout]    |        ^^^^^^^^ required by this bound in `encode_generic`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DagCborCodec: Codec<_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let cbor_encoded = encode_generic::<DagCborCodec, _>(&tree);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Codec<_>` is not implemented for `DagCborCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/workdir/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | extern crate r#ipld_core;
[INFO] [stdout]    | ------------------------- one version of crate `ipld_core` used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout]  8 | use serde_ipld_dagcbor::codec::DagCborCodec;
[INFO] [stdout]    |     ------------------ one version of crate `ipld_core` used here, as a dependency of crate `serde_ipld_dagcbor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_ipld_dagcbor-0.6.0/src/codec.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DagCborCodec;
[INFO] [stdout]    | ----------------------- this type doesn't implement the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ------------------------- this is the found trait
[INFO] [stdout]    = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DagJsonCodec: Codec<_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let json_encoded = encode_generic::<DagJsonCodec, _>(&tree).unwrap();
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ the trait `Codec<_>` is not implemented for `DagJsonCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/workdir/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | extern crate r#ipld_core;
[INFO] [stdout]    | ------------------------- one version of crate `ipld_core` used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout]  8 | use serde_ipld_dagcbor::codec::DagCborCodec;
[INFO] [stdout]    |     ------------------ one version of crate `ipld_core` used here, as a dependency of crate `serde_ipld_dagcbor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_ipld_dagjson-0.2.0/src/codec.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DagJsonCodec;
[INFO] [stdout]    | ----------------------- this type doesn't implement the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ------------------------- this is the found trait
[INFO] [stdout]    = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] note: required by a bound in `encode_generic`
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn encode_generic<C, T>(value: &T) -> Result<Vec<u8>, C::Error>
[INFO] [stdout]    |    -------------- required by a bound in this function
[INFO] [stdout] 18 | where
[INFO] [stdout] 19 |     C: Codec<T>,
[INFO] [stdout]    |        ^^^^^^^^ required by this bound in `encode_generic`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `DagJsonCodec: Codec<_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let json_encoded = encode_generic::<DagJsonCodec, _>(&tree).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Codec<_>` is not implemented for `DagJsonCodec`
[INFO] [stdout]    |
[INFO] [stdout] note: there are multiple different versions of crate `ipld_core` in the dependency graph
[INFO] [stdout]   --> /opt/rustwide/workdir/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | extern crate r#ipld_core;
[INFO] [stdout]    | ------------------------- one version of crate `ipld_core` used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout]  8 | use serde_ipld_dagcbor::codec::DagCborCodec;
[INFO] [stdout]    |     ------------------ one version of crate `ipld_core` used here, as a dependency of crate `serde_ipld_dagcbor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_ipld_dagjson-0.2.0/src/codec.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DagJsonCodec;
[INFO] [stdout]    | ----------------------- this type doesn't implement the required trait
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipld-core-0.4.1/src/codec.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Codec<T>: Links {
[INFO] [stdout]    | ------------------------- this is the found trait
[INFO] [stdout]    = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - (line 68)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5dc9e5a1339e5262a5d13a7e1d0173d51d86a936e72474e77a31a4c8236cae3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc9e5a1339e5262a5d13a7e1d0173d51d86a936e72474e77a31a4c8236cae3f", kill_on_drop: false }`
[INFO] [stdout] 5dc9e5a1339e5262a5d13a7e1d0173d51d86a936e72474e77a31a4c8236cae3f