[INFO] fetching crate kstool-helper-generator 0.4.4...
[INFO] testing kstool-helper-generator-0.4.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate kstool-helper-generator 0.4.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate kstool-helper-generator 0.4.4
[INFO] finished tweaking crates.io crate kstool-helper-generator 0.4.4
[INFO] tweaked toml for crates.io crate kstool-helper-generator 0.4.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kstool-helper-generator 0.4.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding fancy-regex v0.13.0 (available: v0.16.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df3105c995ed1975bddd05d2338f24b78e6766da111925b74731b819bfe79cbe
[INFO] running `Command { std: "docker" "start" "-a" "df3105c995ed1975bddd05d2338f24b78e6766da111925b74731b819bfe79cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3105c995ed1975bddd05d2338f24b78e6766da111925b74731b819bfe79cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3105c995ed1975bddd05d2338f24b78e6766da111925b74731b819bfe79cbe", kill_on_drop: false }`
[INFO] [stdout] df3105c995ed1975bddd05d2338f24b78e6766da111925b74731b819bfe79cbe
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86213c27ee40b0809704d4e3fb6cf52ef00c9189de2e6291a175e9f8372b6862
[INFO] running `Command { std: "docker" "start" "-a" "86213c27ee40b0809704d4e3fb6cf52ef00c9189de2e6291a175e9f8372b6862", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling fancy-regex v0.13.0
[INFO] [stderr]    Compiling kstool-helper-generator v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]    |                              ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 58 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]     |                              ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 115 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "86213c27ee40b0809704d4e3fb6cf52ef00c9189de2e6291a175e9f8372b6862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86213c27ee40b0809704d4e3fb6cf52ef00c9189de2e6291a175e9f8372b6862", kill_on_drop: false }`
[INFO] [stdout] 86213c27ee40b0809704d4e3fb6cf52ef00c9189de2e6291a175e9f8372b6862
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d1897d4b1933d7ff0d771869512a33ddeb0265465e63508998121eabb0b408
[INFO] running `Command { std: "docker" "start" "-a" "a1d1897d4b1933d7ff0d771869512a33ddeb0265465e63508998121eabb0b408", kill_on_drop: false }`
[INFO] [stderr]    Compiling kstool-helper-generator v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]    |                              ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 58 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]     |                              ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 115 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]    |                              ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 58 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:115:30
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout]     |                              ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stdout] 115 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a1d1897d4b1933d7ff0d771869512a33ddeb0265465e63508998121eabb0b408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d1897d4b1933d7ff0d771869512a33ddeb0265465e63508998121eabb0b408", kill_on_drop: false }`
[INFO] [stdout] a1d1897d4b1933d7ff0d771869512a33ddeb0265465e63508998121eabb0b408
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03a1d001296b27477268d42c01763ce59fe25ac169d451a2dd7923552a09bc33
[INFO] running `Command { std: "docker" "start" "-a" "03a1d001296b27477268d42c01763ce59fe25ac169d451a2dd7923552a09bc33", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr]    |                              ^                                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 58 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr] 58 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr]     |                              ^                                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 115 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr] 115 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `kstool-helper-generator` (lib) generated 2 warnings (run `cargo fix --lib -p kstool-helper-generator` to apply 2 suggestions)
[INFO] [stderr] warning: `kstool-helper-generator` (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/kstool_helper_generator-6b678144ab8e323d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_snake_case_convert ... 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]    Doc-tests kstool_helper_generator
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr]    |                              ^                                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 58 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr] 58 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:115:30
[INFO] [stderr]     |
[INFO] [stderr] 115 |                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr]     |                              ^                                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 115 -                     .map(|i| (Ident::new(&format!("input{}", i), span)))
[INFO] [stderr] 115 +                     .map(|i| Ident::new(&format!("input{}", i), span))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "03a1d001296b27477268d42c01763ce59fe25ac169d451a2dd7923552a09bc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a1d001296b27477268d42c01763ce59fe25ac169d451a2dd7923552a09bc33", kill_on_drop: false }`
[INFO] [stdout] 03a1d001296b27477268d42c01763ce59fe25ac169d451a2dd7923552a09bc33