[INFO] fetching crate cattocol 0.3.1...
[INFO] checking cattocol-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cattocol 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cattocol 0.3.1
[INFO] finished tweaking crates.io crate cattocol 0.3.1
[INFO] tweaked toml for crates.io crate cattocol 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cattocol 0.3.1 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 10 packages to latest compatible versions
[INFO] [stderr]       Adding strip-ansi-escapes v0.1.1 (available: v0.2.1)
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 01d839b5f2e1923062f1e6680f2a26c12943ad44f1f0a1cdf24debe614c8a668
[INFO] running `Command { std: "docker" "start" "-a" "01d839b5f2e1923062f1e6680f2a26c12943ad44f1f0a1cdf24debe614c8a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01d839b5f2e1923062f1e6680f2a26c12943ad44f1f0a1cdf24debe614c8a668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d839b5f2e1923062f1e6680f2a26c12943ad44f1f0a1cdf24debe614c8a668", kill_on_drop: false }`
[INFO] [stdout] 01d839b5f2e1923062f1e6680f2a26c12943ad44f1f0a1cdf24debe614c8a668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3bab411cf200f07bb2961ff793a2d80b2ef9429ec97da1580eb150fc37d8d766
[INFO] running `Command { std: "docker" "start" "-a" "3bab411cf200f07bb2961ff793a2d80b2ef9429ec97da1580eb150fc37d8d766", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking cattocol v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |         &'a self,
[INFO] [stdout]    |          ^^ these lifetimes flow to the output
[INFO] [stdout] 92 |         str_one: &'a str,
[INFO] [stdout]    |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 93 |         str_two: &'a str,
[INFO] [stdout]    |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 94 |     ) -> impl Iterator<Item = &str> {
[INFO] [stdout]    |                               ---- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ) -> impl Iterator<Item = &'a str> {
[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:127:10
[INFO] [stdout]     |
[INFO] [stdout] 127 |         &'a self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 128 |         str_one: &'a str,
[INFO] [stdout]     |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 129 |         str_two: &'a str,
[INFO] [stdout]     |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 130 |     ) -> impl Iterator<Item = &str> {
[INFO] [stdout]     |                               ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     ) -> impl Iterator<Item = &'a str> {
[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:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |         &'a self,
[INFO] [stdout]    |          ^^ these lifetimes flow to the output
[INFO] [stdout] 92 |         str_one: &'a str,
[INFO] [stdout]    |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 93 |         str_two: &'a str,
[INFO] [stdout]    |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 94 |     ) -> impl Iterator<Item = &str> {
[INFO] [stdout]    |                               ---- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ) -> impl Iterator<Item = &'a str> {
[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:127:10
[INFO] [stdout]     |
[INFO] [stdout] 127 |         &'a self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 128 |         str_one: &'a str,
[INFO] [stdout]     |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 129 |         str_two: &'a str,
[INFO] [stdout]     |                   ^^ these lifetimes flow to the output
[INFO] [stdout] 130 |     ) -> impl Iterator<Item = &str> {
[INFO] [stdout]     |                               ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 130 |     ) -> impl Iterator<Item = &'a str> {
[INFO] [stdout]     |                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "3bab411cf200f07bb2961ff793a2d80b2ef9429ec97da1580eb150fc37d8d766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bab411cf200f07bb2961ff793a2d80b2ef9429ec97da1580eb150fc37d8d766", kill_on_drop: false }`
[INFO] [stdout] 3bab411cf200f07bb2961ff793a2d80b2ef9429ec97da1580eb150fc37d8d766