[INFO] fetching crate strainer 0.5.0...
[INFO] checking strainer-0.5.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate strainer 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate strainer 0.5.0
[INFO] finished tweaking crates.io crate strainer 0.5.0
[INFO] tweaked toml for crates.io crate strainer 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strainer 0.5.0 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 strainer 0.5.0 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 onig_sys v69.2.0
[INFO] [stderr]   Downloaded syntect v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4db9e528d9d67f605cf8f096a8c4bae1f1443a8ab997cb2352119c9626754f9
[INFO] running `Command { std: "docker" "start" "-a" "b4db9e528d9d67f605cf8f096a8c4bae1f1443a8ab997cb2352119c9626754f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4db9e528d9d67f605cf8f096a8c4bae1f1443a8ab997cb2352119c9626754f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4db9e528d9d67f605cf8f096a8c4bae1f1443a8ab997cb2352119c9626754f9", kill_on_drop: false }`
[INFO] [stdout] b4db9e528d9d67f605cf8f096a8c4bae1f1443a8ab997cb2352119c9626754f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 537338c4e6a04080214d2637b0e64a1e4e49ab5394dedfaae348970bdef7f72e
[INFO] running `Command { std: "docker" "start" "-a" "537338c4e6a04080214d2637b0e64a1e4e49ab5394dedfaae348970bdef7f72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking strainer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/pattern.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn parse_pattern(pattern_str: &str) -> Pattern {
[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] 5 | pub fn parse_pattern(pattern_str: &str) -> Pattern<'_> {
[INFO] [stdout]   |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "537338c4e6a04080214d2637b0e64a1e4e49ab5394dedfaae348970bdef7f72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537338c4e6a04080214d2637b0e64a1e4e49ab5394dedfaae348970bdef7f72e", kill_on_drop: false }`
[INFO] [stdout] 537338c4e6a04080214d2637b0e64a1e4e49ab5394dedfaae348970bdef7f72e