[INFO] fetching crate snailquote 0.3.1...
[INFO] checking snailquote-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate snailquote 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate snailquote 0.3.1
[INFO] finished tweaking crates.io crate snailquote 0.3.1
[INFO] tweaked toml for crates.io crate snailquote 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snailquote 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]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] [stderr]       Adding quickcheck_macros v0.9.1 (available: v1.1.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66ba075ad0c4babfa679f52c3d31f5bd811c64dd8aff13c5f63a5a1f0d301d9b
[INFO] running `Command { std: "docker" "start" "-a" "66ba075ad0c4babfa679f52c3d31f5bd811c64dd8aff13c5f63a5a1f0d301d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ba075ad0c4babfa679f52c3d31f5bd811c64dd8aff13c5f63a5a1f0d301d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ba075ad0c4babfa679f52c3d31f5bd811c64dd8aff13c5f63a5a1f0d301d9b", kill_on_drop: false }`
[INFO] [stdout] 66ba075ad0c4babfa679f52c3d31f5bd811c64dd8aff13c5f63a5a1f0d301d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a15a62d8946eb0cb1bab81563adb1ae80bcc16dddac3fbe0cec68ac2244566d
[INFO] running `Command { std: "docker" "start" "-a" "5a15a62d8946eb0cb1bab81563adb1ae80bcc16dddac3fbe0cec68ac2244566d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking snailquote 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:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn escape(s: &str) -> Cow<str> {
[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] 48 | pub fn escape(s: &str) -> Cow<'_, 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:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn escape(s: &str) -> Cow<str> {
[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] 48 | pub fn escape(s: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "5a15a62d8946eb0cb1bab81563adb1ae80bcc16dddac3fbe0cec68ac2244566d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a15a62d8946eb0cb1bab81563adb1ae80bcc16dddac3fbe0cec68ac2244566d", kill_on_drop: false }`
[INFO] [stdout] 5a15a62d8946eb0cb1bab81563adb1ae80bcc16dddac3fbe0cec68ac2244566d