[INFO] fetching crate pb-imgsize 0.2.5...
[INFO] checking pb-imgsize-0.2.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate pb-imgsize 0.2.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pb-imgsize 0.2.5
[INFO] finished tweaking crates.io crate pb-imgsize 0.2.5
[INFO] tweaked toml for crates.io crate pb-imgsize 0.2.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pb-imgsize 0.2.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ef35225d20c689546d04b235812e47c91733ca747d28bce0a125edc228bee01
[INFO] running `Command { std: "docker" "start" "-a" "8ef35225d20c689546d04b235812e47c91733ca747d28bce0a125edc228bee01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef35225d20c689546d04b235812e47c91733ca747d28bce0a125edc228bee01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef35225d20c689546d04b235812e47c91733ca747d28bce0a125edc228bee01", kill_on_drop: false }`
[INFO] [stdout] 8ef35225d20c689546d04b235812e47c91733ca747d28bce0a125edc228bee01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d95912166a2105455aac1701af5e263c2948425334808aaec0f22551602a6704
[INFO] running `Command { std: "docker" "start" "-a" "d95912166a2105455aac1701af5e263c2948425334808aaec0f22551602a6704", kill_on_drop: false }`
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking pb-imgsize v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/jpeg.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn read_segment(&mut self) -> Result<Option<JpegSegment>, JpegDecodingError> {
[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] 151 |     pub fn read_segment(&mut self) -> Result<Option<JpegSegment<'_>>, JpegDecodingError> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/jpeg.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn read_segment(&mut self) -> Result<Option<JpegSegment>, JpegDecodingError> {
[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] 151 |     pub fn read_segment(&mut self) -> Result<Option<JpegSegment<'_>>, JpegDecodingError> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d95912166a2105455aac1701af5e263c2948425334808aaec0f22551602a6704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95912166a2105455aac1701af5e263c2948425334808aaec0f22551602a6704", kill_on_drop: false }`
[INFO] [stdout] d95912166a2105455aac1701af5e263c2948425334808aaec0f22551602a6704