[INFO] fetching crate rxp 0.2.0... [INFO] checking rxp-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate rxp 0.2.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rxp 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing v0.1.33 [INFO] [stderr] Downloaded tracing-core v0.1.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed45fc3676a20ee129a571d9738ae6ef9647b00daa0f1a3e73ca35cc8f0c3ff5 [INFO] running `Command { std: "docker" "start" "-a" "ed45fc3676a20ee129a571d9738ae6ef9647b00daa0f1a3e73ca35cc8f0c3ff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed45fc3676a20ee129a571d9738ae6ef9647b00daa0f1a3e73ca35cc8f0c3ff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed45fc3676a20ee129a571d9738ae6ef9647b00daa0f1a3e73ca35cc8f0c3ff5", kill_on_drop: false }` [INFO] [stdout] ed45fc3676a20ee129a571d9738ae6ef9647b00daa0f1a3e73ca35cc8f0c3ff5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 646b0b7285268042ce0a2dd098555ec8ca56cb5154d178e849536ed8901758d7 [INFO] running `Command { std: "docker" "start" "-a" "646b0b7285268042ce0a2dd098555ec8ca56cb5154d178e849536ed8901758d7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking tracing-core v0.1.25 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling eyre v0.6.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling quote v1.0.16 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling structopt-derive v0.4.18 [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn parse(&mut self) -> Result { [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] 50 | pub fn parse(&mut self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | fn eat(&mut self, expected: Token) -> Result { [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] 97 | fn eat(&mut self, expected: Token) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/state.rs:199:19 [INFO] [stdout] | [INFO] [stdout] 199 | fn new_state(&'a self) -> &'a State { [INFO] [stdout] | ^^ -- ----- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/state.rs:205:21 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State { [INFO] [stdout] | ^^ ^^ -- ----- the lifetimes get resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn parse(&mut self) -> Result { [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] 50 | pub fn parse(&mut self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | fn eat(&mut self, expected: Token) -> Result { [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] 97 | fn eat(&mut self, expected: Token) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/state.rs:199:19 [INFO] [stdout] | [INFO] [stdout] 199 | fn new_state(&'a self) -> &'a State { [INFO] [stdout] | ^^ -- ----- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/state.rs:205:21 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn compile(&'a self, expr: &Expr<'a>) -> &'a State { [INFO] [stdout] | ^^ ^^ -- ----- the lifetimes get resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to 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 25.28s [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 1` [INFO] running `Command { std: "docker" "inspect" "646b0b7285268042ce0a2dd098555ec8ca56cb5154d178e849536ed8901758d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646b0b7285268042ce0a2dd098555ec8ca56cb5154d178e849536ed8901758d7", kill_on_drop: false }` [INFO] [stdout] 646b0b7285268042ce0a2dd098555ec8ca56cb5154d178e849536ed8901758d7