[INFO] crate taikai 0.1.0 is already in cache
[INFO] checking taikai-0.1.0 against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] extracting crate taikai 0.1.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate taikai 0.1.0 on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate taikai 0.1.0
[INFO] finished tweaking crates.io crate taikai 0.1.0
[INFO] tweaked toml for crates.io crate taikai 0.1.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6afba02b7c22c76fbf47d98a71e6dbd7fb1583ebcc7c6dc83400986bd5d9d25d
[INFO] running `"docker" "start" "-a" "6afba02b7c22c76fbf47d98a71e6dbd7fb1583ebcc7c6dc83400986bd5d9d25d"`
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling taikai v0.1.0 (/opt/rustwide/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: 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: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` 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: 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: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.28s
[INFO] running `"docker" "inspect" "6afba02b7c22c76fbf47d98a71e6dbd7fb1583ebcc7c6dc83400986bd5d9d25d"`
[INFO] running `"docker" "rm" "-f" "6afba02b7c22c76fbf47d98a71e6dbd7fb1583ebcc7c6dc83400986bd5d9d25d"`
[INFO] [stdout] 6afba02b7c22c76fbf47d98a71e6dbd7fb1583ebcc7c6dc83400986bd5d9d25d