[INFO] fetching crate rxp 0.2.0...
[INFO] checking rxp-0.2.0 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate rxp 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rxp 0.2.0
[INFO] finished tweaking crates.io crate rxp 0.2.0
[INFO] tweaked toml for crates.io crate rxp 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxp 0.2.0 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rxp 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded tracing-core v0.1.25
[INFO] [stderr]   Downloaded tracing v0.1.33
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded web-sys v0.3.57
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472
[INFO] running `Command { std: "docker" "start" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.25
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking rxp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn parse(&mut self) -> Result<Expr> {
[INFO] [stdout]    |                  ^^^^^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn parse(&mut self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn eat(&mut self, expected: Token) -> Result<Token> {
[INFO] [stdout]    |            ^^^^^^^^^ the lifetime is elided here ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn eat(&mut self, expected: Token) -> Result<Token<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/state.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn new_state(&'a self) -> &'a State {
[INFO] [stdout]     |                   --           -- ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |            |
[INFO] [stdout]     |                   |            the same lifetime is named here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn new_state(&'a self) -> &'a State<'a> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/state.rs:205:54
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State {
[INFO] [stdout]     |                     --                   --       -- ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                    |        |
[INFO] [stdout]     |                     |                    |        the same lifetime is named here
[INFO] [stdout]     |                     |                    the lifetime is named here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State<'a> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn parse(&mut self) -> Result<Expr> {
[INFO] [stdout]    |                  ^^^^^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn parse(&mut self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn eat(&mut self, expected: Token) -> Result<Token> {
[INFO] [stdout]    |            ^^^^^^^^^ the lifetime is elided here ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn eat(&mut self, expected: Token) -> Result<Token<'_>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/state.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn new_state(&'a self) -> &'a State {
[INFO] [stdout]     |                   --           -- ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |            |
[INFO] [stdout]     |                   |            the same lifetime is named here
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 199 |     fn new_state(&'a self) -> &'a State<'a> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/state.rs:205:54
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State {
[INFO] [stdout]     |                     --                   --       -- ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |                    |        |
[INFO] [stdout]     |                     |                    |        the same lifetime is named here
[INFO] [stdout]     |                     |                    the lifetime is named here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State<'a> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472", kill_on_drop: false }`
[INFO] [stdout] fef7147debfce63a50a7315ed9ac60802b05a7bb4d8544c6ff224f1ed4618472
