[INFO] fetching crate cbored 0.4.3...
[INFO] testing cbored-0.4.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cbored 0.4.3 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cbored 0.4.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab3cbc1bef2fe65b7795be2294f3180a6671d810f667e99177df4f0fad19e44d
[INFO] running `Command { std: "docker" "start" "-a" "ab3cbc1bef2fe65b7795be2294f3180a6671d810f667e99177df4f0fad19e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3cbc1bef2fe65b7795be2294f3180a6671d810f667e99177df4f0fad19e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3cbc1bef2fe65b7795be2294f3180a6671d810f667e99177df4f0fad19e44d", kill_on_drop: false }`
[INFO] [stdout] ab3cbc1bef2fe65b7795be2294f3180a6671d810f667e99177df4f0fad19e44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b959a3d64ea0c61b52f687ba44b6b9551342b7c4ed58069e281e6e6c7cc397c
[INFO] running `Command { std: "docker" "start" "-a" "2b959a3d64ea0c61b52f687ba44b6b9551342b7c4ed58069e281e6e6c7cc397c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[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)]` (part of `#[warn(unused)]`) 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 5.65s
[INFO] running `Command { std: "docker" "inspect" "2b959a3d64ea0c61b52f687ba44b6b9551342b7c4ed58069e281e6e6c7cc397c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b959a3d64ea0c61b52f687ba44b6b9551342b7c4ed58069e281e6e6c7cc397c", kill_on_drop: false }`
[INFO] [stdout] 2b959a3d64ea0c61b52f687ba44b6b9551342b7c4ed58069e281e6e6c7cc397c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b4df4fbd9e4504e78531921b37083cc85ab661df2c1da48a2843f7585c2cce
[INFO] running `Command { std: "docker" "start" "-a" "70b4df4fbd9e4504e78531921b37083cc85ab661df2c1da48a2843f7585c2cce", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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] [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)]` (part of `#[warn(unused)]`) 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 1.03s
[INFO] running `Command { std: "docker" "inspect" "70b4df4fbd9e4504e78531921b37083cc85ab661df2c1da48a2843f7585c2cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b4df4fbd9e4504e78531921b37083cc85ab661df2c1da48a2843f7585c2cce", kill_on_drop: false }`
[INFO] [stdout] 70b4df4fbd9e4504e78531921b37083cc85ab661df2c1da48a2843f7585c2cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04f4e199cb9eefe96b0c5eaa742789bcb25d64ee40eb55f4b179b514481e643d
[INFO] running `Command { std: "docker" "start" "-a" "04f4e199cb9eefe96b0c5eaa742789bcb25d64ee40eb55f4b179b514481e643d", 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)]` (part of `#[warn(unused)]`) 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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cbored-05165a576ab0e2ba)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test state::tests::array_rec2 ... ok
[INFO] [stdout] test state::tests::array_rec1 ... ok
[INFO] [stdout] test state::tests::array1 ... 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_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::data_missing ... ok
[INFO] [stdout] test validate::tests::array_indef_array2 ... ok
[INFO] [stdout] test validate::tests::array_indef_array3 ... ok
[INFO] [stdout] test validate::tests::array_indef_array4 ... ok
[INFO] [stdout] test state::tests::chunk_text ... ok
[INFO] [stdout] test state::tests::chunk_bytes ... ok
[INFO] [stdout] test validate::tests::tag1 ... ok
[INFO] [stdout] test state::tests::array_empty ... ok
[INFO] [stdout] test tests::test_decode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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)]` (part of `#[warn(unused)]`) 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 3) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04f4e199cb9eefe96b0c5eaa742789bcb25d64ee40eb55f4b179b514481e643d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f4e199cb9eefe96b0c5eaa742789bcb25d64ee40eb55f4b179b514481e643d", kill_on_drop: false }`
[INFO] [stdout] 04f4e199cb9eefe96b0c5eaa742789bcb25d64ee40eb55f4b179b514481e643d