[INFO] fetching crate cbored 0.4.3...
[INFO] testing cbored-0.4.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cbored 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cbored 0.4.3
[INFO] finished tweaking crates.io crate cbored 0.4.3
[INFO] tweaked toml for crates.io crate cbored 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cbored 0.4.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cbored 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbored-derive v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ede773d6f146667d30c6085d1f16a9e67c427f2af43d009df8eeea3b8a12758
[INFO] running `Command { std: "docker" "start" "-a" "0ede773d6f146667d30c6085d1f16a9e67c427f2af43d009df8eeea3b8a12758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ede773d6f146667d30c6085d1f16a9e67c427f2af43d009df8eeea3b8a12758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ede773d6f146667d30c6085d1f16a9e67c427f2af43d009df8eeea3b8a12758", kill_on_drop: false }`
[INFO] [stdout] 0ede773d6f146667d30c6085d1f16a9e67c427f2af43d009df8eeea3b8a12758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e641fad492d62cd75d719e90c9575b841d5da7aa62335e81b8bc2c852d092c4
[INFO] running `Command { std: "docker" "start" "-a" "5e641fad492d62cd75d719e90c9575b841d5da7aa62335e81b8bc2c852d092c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling cbored-derive v0.4.2
[INFO] [stderr]    Compiling cbored v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:256:44
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout] 256 +         self.elements.iter().map(|(k, _v)| k.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 |         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 -         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout] 261 +         self.elements.iter().map(|(_k, v)| v.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "5e641fad492d62cd75d719e90c9575b841d5da7aa62335e81b8bc2c852d092c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e641fad492d62cd75d719e90c9575b841d5da7aa62335e81b8bc2c852d092c4", kill_on_drop: false }`
[INFO] [stdout] 5e641fad492d62cd75d719e90c9575b841d5da7aa62335e81b8bc2c852d092c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcdf965f2f87988985053aebae8491eb8ae04be3d417cdb7927ff23f8e00164
[INFO] running `Command { std: "docker" "start" "-a" "0dcdf965f2f87988985053aebae8491eb8ae04be3d417cdb7927ff23f8e00164", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:256:44
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout] 256 +         self.elements.iter().map(|(k, _v)| k.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cbored v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 |         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 -         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout] 261 +         self.elements.iter().map(|(_k, v)| v.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:256:44
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stdout] 256 +         self.elements.iter().map(|(k, _v)| k.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/types/structure.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 |         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout]     |                                            ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 -         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stdout] 261 +         self.elements.iter().map(|(_k, v)| v.reader())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0dcdf965f2f87988985053aebae8491eb8ae04be3d417cdb7927ff23f8e00164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcdf965f2f87988985053aebae8491eb8ae04be3d417cdb7927ff23f8e00164", kill_on_drop: false }`
[INFO] [stdout] 0dcdf965f2f87988985053aebae8491eb8ae04be3d417cdb7927ff23f8e00164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc9cadf9f71d26fdbb51c4074eb786d62759f08ddf28463f984cdfb2cd7cc6e5
[INFO] running `Command { std: "docker" "start" "-a" "fc9cadf9f71d26fdbb51c4074eb786d62759f08ddf28463f984cdfb2cd7cc6e5", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/types/structure.rs:256:44
[INFO] [stderr]     |
[INFO] [stderr] 256 |         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stderr]     |                                            ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 256 -         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stderr] 256 +         self.elements.iter().map(|(k, _v)| k.reader())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/types/structure.rs:261:44
[INFO] [stderr]     |
[INFO] [stderr] 261 |         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stderr]     |                                            ^          ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 261 -         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stderr] 261 +         self.elements.iter().map(|(_k, v)| v.reader())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `cbored` (lib) generated 2 warnings (run `cargo fix --lib -p cbored` to apply 2 suggestions)
[INFO] [stderr] warning: `cbored` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cbored-4213e6d1865fb284)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test state::tests::array1 ... ok
[INFO] [stdout] test state::tests::array_empty ... ok
[INFO] [stdout] test state::tests::array_rec1 ... ok
[INFO] [stdout] test state::tests::chunk_bytes ... ok
[INFO] [stdout] test state::tests::array_rec2 ... ok
[INFO] [stdout] test state::tests::chunk_text ... ok
[INFO] [stdout] test state::tests::map1 ... ok
[INFO] [stdout] test state::tests::map_rec1 ... ok
[INFO] [stdout] test state::tests::tag ... ok
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::test_decode ... ok
[INFO] [stdout] test tests::test_err_reading_type ... ok
[INFO] [stdout] test tests::test_map_array ... ok
[INFO] [stdout] test validate::tests::array_array ... ok
[INFO] [stdout] test validate::tests::array_indef_array ... ok
[INFO] [stdout] test validate::tests::array_indef_array2 ... ok
[INFO] [stdout] test validate::tests::array_indef_array3 ... ok
[INFO] [stdout] test validate::tests::data_missing ... ok
[INFO] [stdout] test validate::tests::tag1 ... ok
[INFO] [stdout] test validate::tests::array_indef_array4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cbored
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/types/structure.rs:256:44
[INFO] [stderr]     |
[INFO] [stderr] 256 |         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stderr]     |                                            ^          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 256 -         self.elements.iter().map(|(k, _v)| (k.reader()))
[INFO] [stderr] 256 +         self.elements.iter().map(|(k, _v)| k.reader())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/types/structure.rs:261:44
[INFO] [stderr]     |
[INFO] [stderr] 261 |         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stderr]     |                                            ^          ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 261 -         self.elements.iter().map(|(_k, v)| (v.reader()))
[INFO] [stderr] 261 +         self.elements.iter().map(|(_k, v)| v.reader())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc9cadf9f71d26fdbb51c4074eb786d62759f08ddf28463f984cdfb2cd7cc6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9cadf9f71d26fdbb51c4074eb786d62759f08ddf28463f984cdfb2cd7cc6e5", kill_on_drop: false }`
[INFO] [stdout] fc9cadf9f71d26fdbb51c4074eb786d62759f08ddf28463f984cdfb2cd7cc6e5