[INFO] fetching crate morsels_lang_ascii 0.7.3...
[INFO] checking morsels_lang_ascii-0.7.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate morsels_lang_ascii 0.7.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate morsels_lang_ascii 0.7.3
[INFO] finished tweaking crates.io crate morsels_lang_ascii 0.7.3
[INFO] tweaked toml for crates.io crate morsels_lang_ascii 0.7.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate morsels_lang_ascii 0.7.3 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 10 packages to latest compatible versions
[INFO] [stderr]       Adding smartstring v0.2.10 (available: v1.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded smartstring v0.2.10
[INFO] [stderr]   Downloaded morsels_common v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a9f46dffd78f9c954afeaa8d5714945755e5cc832de862b4a964fa6a416a6e4d
[INFO] running `Command { std: "docker" "start" "-a" "a9f46dffd78f9c954afeaa8d5714945755e5cc832de862b4a964fa6a416a6e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f46dffd78f9c954afeaa8d5714945755e5cc832de862b4a964fa6a416a6e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f46dffd78f9c954afeaa8d5714945755e5cc832de862b4a964fa6a416a6e4d", kill_on_drop: false }`
[INFO] [stdout] a9f46dffd78f9c954afeaa8d5714945755e5cc832de862b4a964fa6a416a6e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1d6f0c658621914c9ddb99719d7f9ebeb080d4eb3f58eb74662cb126db104f5a
[INFO] running `Command { std: "docker" "start" "-a" "1d6f0c658621914c9ddb99719d7f9ebeb080d4eb3f58eb74662cb126db104f5a", kill_on_drop: false }`
[INFO] [stderr]     Checking smartstring v0.2.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking morsels_common v0.7.3
[INFO] [stderr]     Checking morsels_lang_ascii v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/ascii_folding_filter.rs:1509:23
[INFO] [stdout]      |
[INFO] [stdout] 1509 | pub fn to_ascii(text: &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] 1509 | pub fn to_ascii(text: &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/ascii_folding_filter.rs:1509:23
[INFO] [stdout]      |
[INFO] [stdout] 1509 | pub fn to_ascii(text: &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] 1509 | pub fn to_ascii(text: &str) -> Cow<'_, str> {
[INFO] [stdout]      |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "1d6f0c658621914c9ddb99719d7f9ebeb080d4eb3f58eb74662cb126db104f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6f0c658621914c9ddb99719d7f9ebeb080d4eb3f58eb74662cb126db104f5a", kill_on_drop: false }`
[INFO] [stdout] 1d6f0c658621914c9ddb99719d7f9ebeb080d4eb3f58eb74662cb126db104f5a