[INFO] fetching crate serde_bucket 0.1.5...
[INFO] testing serde_bucket-0.1.5 against 1.75.0 for beta-1.76-1
[INFO] extracting crate serde_bucket 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate serde_bucket 0.1.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_bucket 0.1.5
[INFO] finished tweaking crates.io crate serde_bucket 0.1.5
[INFO] tweaked toml for crates.io crate serde_bucket 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858ef3a6bfb9a61c2f8c59628d751fceb3505013ca622cad0754af64f85fb5f7
[INFO] running `Command { std: "docker" "start" "-a" "858ef3a6bfb9a61c2f8c59628d751fceb3505013ca622cad0754af64f85fb5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858ef3a6bfb9a61c2f8c59628d751fceb3505013ca622cad0754af64f85fb5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858ef3a6bfb9a61c2f8c59628d751fceb3505013ca622cad0754af64f85fb5f7", kill_on_drop: false }`
[INFO] [stdout] 858ef3a6bfb9a61c2f8c59628d751fceb3505013ca622cad0754af64f85fb5f7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d17d31fc5eac19b37659149520bba8e18469fb6b4ef6be908cf1216df98bfb58
[INFO] running `Command { std: "docker" "start" "-a" "d17d31fc5eac19b37659149520bba8e18469fb6b4ef6be908cf1216df98bfb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_bucket v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/de.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value, Self::Error> where V: Visitor<'de> {
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "d17d31fc5eac19b37659149520bba8e18469fb6b4ef6be908cf1216df98bfb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17d31fc5eac19b37659149520bba8e18469fb6b4ef6be908cf1216df98bfb58", kill_on_drop: false }`
[INFO] [stdout] d17d31fc5eac19b37659149520bba8e18469fb6b4ef6be908cf1216df98bfb58
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc989e34a569ba0eaf04dada4cef3ad05db4a7252520580a48f3de017b8b796d
[INFO] running `Command { std: "docker" "start" "-a" "fc989e34a569ba0eaf04dada4cef3ad05db4a7252520580a48f3de017b8b796d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/de.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value, Self::Error> where V: Visitor<'de> {
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_bucket v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/de.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value, Self::Error> where V: Visitor<'de> {
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "fc989e34a569ba0eaf04dada4cef3ad05db4a7252520580a48f3de017b8b796d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc989e34a569ba0eaf04dada4cef3ad05db4a7252520580a48f3de017b8b796d", kill_on_drop: false }`
[INFO] [stdout] fc989e34a569ba0eaf04dada4cef3ad05db4a7252520580a48f3de017b8b796d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fecbf7d27e62761ef320d24427317cccbc2fe86a4d253a88172f2af38a4e4ad2
[INFO] running `Command { std: "docker" "start" "-a" "fecbf7d27e62761ef320d24427317cccbc2fe86a4d253a88172f2af38a4e4ad2", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/de.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value, Self::Error> where V: Visitor<'de> {
[INFO] [stderr]    |                           ----^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_bucket` (lib) generated 1 warning (run `cargo fix --lib -p serde_bucket` to apply 1 suggestion)
[INFO] [stderr] warning: `serde_bucket` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_bucket-7269e487c57c794c)
[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 serde_bucket
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - node (line 36) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - node (line 36) stdout ----
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Example: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 21 | let value = bucket.deserialize_into::<Example, serde_json::Error>().unwrap();
[INFO] [stdout]    |                    ----------------   ^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `Example`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i128
[INFO] [stdout]            and 131 others
[INFO] [stdout] note: required by a bound in `Bucket::<'a>::deserialize_into`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/bucket.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn deserialize_into<T: Deserialize<'a>, E: serde::de::Error>(&'a mut self) -> Result<T, E> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ required by this bound in `Bucket::<'a>::deserialize_into`
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Example`
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(value, Example { a: 10, b: false });
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | Example
[INFO] [stdout]    | Example
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `Example`
[INFO] [stdout]   --> src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Example {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Example` with `#[derive(PartialEq)]`
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(PartialEq)]
[INFO] [stdout] 15 | struct Example {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Example` doesn't implement `Debug`
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(value, Example { a: 10, b: false });
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Example` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Example`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `Example` or manually `impl Debug for Example`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Example` with `#[derive(Debug)]`
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Debug)]
[INFO] [stdout] 15 | struct Example {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Example` doesn't implement `Debug`
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(value, Example { a: 10, b: false });
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Example` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Example`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `Example` or manually `impl Debug for Example`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Example` with `#[derive(Debug)]`
[INFO] [stdout]    |
[INFO] [stdout] 14 + #[derive(Debug)]
[INFO] [stdout] 15 | struct Example {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[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 - node (line 36)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fecbf7d27e62761ef320d24427317cccbc2fe86a4d253a88172f2af38a4e4ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecbf7d27e62761ef320d24427317cccbc2fe86a4d253a88172f2af38a4e4ad2", kill_on_drop: false }`
[INFO] [stdout] fecbf7d27e62761ef320d24427317cccbc2fe86a4d253a88172f2af38a4e4ad2
