[INFO] fetching crate bparse 0.23.0...
[INFO] checking bparse-0.23.0 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] extracting crate bparse 0.23.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bparse 0.23.0 on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bparse 0.23.0
[INFO] finished tweaking crates.io crate bparse 0.23.0
[INFO] tweaked toml for crates.io crate bparse 0.23.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a390a452089638d08b835303cb785ef3b2c81e0906dfbf343465227b713414e9
[INFO] running `Command { std: "docker" "start" "-a" "a390a452089638d08b835303cb785ef3b2c81e0906dfbf343465227b713414e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a390a452089638d08b835303cb785ef3b2c81e0906dfbf343465227b713414e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a390a452089638d08b835303cb785ef3b2c81e0906dfbf343465227b713414e9", kill_on_drop: false }`
[INFO] [stdout] a390a452089638d08b835303cb785ef3b2c81e0906dfbf343465227b713414e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5804ce19a1d850562e0c83d9645c7ef9e45f02c9d5b02e9d838ae0e8e59b1ab8
[INFO] running `Command { std: "docker" "start" "-a" "5804ce19a1d850562e0c83d9645c7ef9e45f02c9d5b02e9d838ae0e8e59b1ab8", kill_on_drop: false }`
[INFO] [stderr]     Checking bparse v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:144:22
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn prefix(slice: &[u8]) -> Prefix {
[INFO] [stdout]     |                      ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn prefix(slice: &[u8]) -> Prefix<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn utf8(s: &str) -> Prefix {
[INFO] [stdout]     |                ^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn utf8(s: &str) -> Prefix<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:195:28
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn utf8_ignore_case(s: &str) -> PrefixIgnoreCase {
[INFO] [stdout]     |                            ^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn utf8_ignore_case(s: &str) -> PrefixIgnoreCase<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:144:22
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn prefix(slice: &[u8]) -> Prefix {
[INFO] [stdout]     |                      ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn prefix(slice: &[u8]) -> Prefix<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn utf8(s: &str) -> Prefix {
[INFO] [stdout]     |                ^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn utf8(s: &str) -> Prefix<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/pattern.rs:195:28
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn utf8_ignore_case(s: &str) -> PrefixIgnoreCase {
[INFO] [stdout]     |                            ^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub fn utf8_ignore_case(s: &str) -> PrefixIgnoreCase<'_> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "5804ce19a1d850562e0c83d9645c7ef9e45f02c9d5b02e9d838ae0e8e59b1ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5804ce19a1d850562e0c83d9645c7ef9e45f02c9d5b02e9d838ae0e8e59b1ab8", kill_on_drop: false }`
[INFO] [stdout] 5804ce19a1d850562e0c83d9645c7ef9e45f02c9d5b02e9d838ae0e8e59b1ab8