[INFO] crate taikai 0.1.0 is already in cache
[INFO] extracting crate taikai 0.1.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/taikai/0.1.0
[INFO] extracting crate taikai 0.1.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/taikai/0.1.0
[INFO] validating manifest of taikai-0.1.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of taikai-0.1.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing taikai-0.1.0
[INFO] finished frobbing taikai-0.1.0
[INFO] frobbed toml for taikai-0.1.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/taikai/0.1.0/Cargo.toml
[INFO] started frobbing taikai-0.1.0
[INFO] finished frobbing taikai-0.1.0
[INFO] frobbed toml for taikai-0.1.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/taikai/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking taikai-0.1.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/taikai/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9865ad2e95ff938b49dfa7befbf844794e06236e96e8836b139193906be8972d
[INFO] running `"docker" "start" "-a" "9865ad2e95ff938b49dfa7befbf844794e06236e96e8836b139193906be8972d"`
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking syn v0.15.33
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]     Checking taikai v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/type_spec.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/attribute.rs:212:43
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let read_scalar = if let Some(ref e) = self.enum_ {
[INFO] [stderr]     |                                           ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/type_spec.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/attribute.rs:212:43
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let read_scalar = if let Some(ref e) = self.enum_ {
[INFO] [stderr]     |                                           ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/type_spec.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/type_spec.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[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: unused variable: `path`
[INFO] [stderr]    --> src/type_spec.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/attribute.rs:212:43
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let read_scalar = if let Some(ref e) = self.enum_ {
[INFO] [stderr]     |                                           ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/type_spec.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 20.08s
[INFO] running `"docker" "inspect" "9865ad2e95ff938b49dfa7befbf844794e06236e96e8836b139193906be8972d"`
[INFO] running `"docker" "rm" "-f" "9865ad2e95ff938b49dfa7befbf844794e06236e96e8836b139193906be8972d"`
[INFO] [stdout] 9865ad2e95ff938b49dfa7befbf844794e06236e96e8836b139193906be8972d