[INFO] crate ascii 1.0.0 is already in cache
[INFO] checking ascii-1.0.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate ascii 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ascii 1.0.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ascii 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ascii 1.0.0
[INFO] tweaked toml for crates.io crate ascii 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2851dd99c4a81f50bd0e36101e9f4e0341db9f6766a69bfe57514bfc3b33c854
[INFO] running `"docker" "start" "-a" "2851dd99c4a81f50bd0e36101e9f4e0341db9f6766a69bfe57514bfc3b33c854"`
[INFO] [stderr]     Checking ascii v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/ascii_string.rs:675:20
[INFO] [stderr]     |
[INFO] [stderr] 675 |         self.error.description()
[INFO] [stderr]     |                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:204:40
[INFO] [stderr]     |
[INFO] [stderr] 204 |         &self[self.chars().take_while(|a| a.is_whitespace()).count()..]
[INFO] [stderr]     |                                        ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:218:26
[INFO] [stderr]     |
[INFO] [stderr] 218 |             .take_while(|a| a.is_whitespace())
[INFO] [stderr]     |                          ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |             self.chars().zip(other.chars()).all(|(a, b)| {
[INFO] [stderr]     |                                                   ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `b` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:226:54
[INFO] [stderr]     |
[INFO] [stderr] 226 |             self.chars().zip(other.chars()).all(|(a, b)| {
[INFO] [stderr]     |                                                      ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::b`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |         for a in self.chars_mut() {
[INFO] [stderr]     |             ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         for a in self.chars_mut() {
[INFO] [stderr]     |             ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:614:52
[INFO] [stderr]     |
[INFO] [stderr] 614 |             if let Some(at) = self.chars.position(|c| c == split_on) {
[INFO] [stderr]     |                                                    ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::c`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:630:53
[INFO] [stderr]     |
[INFO] [stderr] 630 |             if let Some(at) = self.chars.rposition(|c| c == split_on) {
[INFO] [stderr]     |                                                     ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::c`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii::AsciiChar`
[INFO] [stderr]    --> tests.rs:133:34
[INFO] [stderr]     |
[INFO] [stderr] 133 |             if case.chars().all(|a| a.is_uppercase() ) {
[INFO] [stderr]     |                                  ^ help: to match on the variant, qualify the path: `ascii::AsciiChar::a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/ascii_string.rs:675:20
[INFO] [stderr]     |
[INFO] [stderr] 675 |         self.error.description()
[INFO] [stderr]     |                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:204:40
[INFO] [stderr]     |
[INFO] [stderr] 204 |         &self[self.chars().take_while(|a| a.is_whitespace()).count()..]
[INFO] [stderr]     |                                        ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:218:26
[INFO] [stderr]     |
[INFO] [stderr] 218 |             .take_while(|a| a.is_whitespace())
[INFO] [stderr]     |                          ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:226:51
[INFO] [stderr]     |
[INFO] [stderr] 226 |             self.chars().zip(other.chars()).all(|(a, b)| {
[INFO] [stderr]     |                                                   ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `b` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:226:54
[INFO] [stderr]     |
[INFO] [stderr] 226 |             self.chars().zip(other.chars()).all(|(a, b)| {
[INFO] [stderr]     |                                                      ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::b`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |         for a in self.chars_mut() {
[INFO] [stderr]     |             ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `a` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         for a in self.chars_mut() {
[INFO] [stderr]     |             ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::a`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:614:52
[INFO] [stderr]     |
[INFO] [stderr] 614 |             if let Some(at) = self.chars.position(|c| c == split_on) {
[INFO] [stderr]     |                                                    ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::c`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `ascii_char::AsciiChar`
[INFO] [stderr]    --> src/ascii_str.rs:630:53
[INFO] [stderr]     |
[INFO] [stderr] 630 |             if let Some(at) = self.chars.rposition(|c| c == split_on) {
[INFO] [stderr]     |                                                     ^ help: to match on the variant, qualify the path: `ascii_char::AsciiChar::c`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "2851dd99c4a81f50bd0e36101e9f4e0341db9f6766a69bfe57514bfc3b33c854"`
[INFO] running `"docker" "rm" "-f" "2851dd99c4a81f50bd0e36101e9f4e0341db9f6766a69bfe57514bfc3b33c854"`
[INFO] [stdout] 2851dd99c4a81f50bd0e36101e9f4e0341db9f6766a69bfe57514bfc3b33c854