[INFO] fetching crate hline 0.2.1... [INFO] checking hline-0.2.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate hline 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate hline 0.2.1 [INFO] finished tweaking crates.io crate hline 0.2.1 [INFO] tweaked toml for crates.io crate hline 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate hline 0.2.1 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] crate crates.io crate hline 0.2.1 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] Downloading crates ... [INFO] [stderr] Downloaded grep-cli v0.1.6 [INFO] [stderr] Downloaded grep-searcher v0.1.8 [INFO] [stderr] Downloaded grep-printer v0.1.6 [INFO] [stderr] Downloaded grep-regex v0.1.9 [INFO] [stderr] Downloaded test-case v1.2.1 [INFO] [stderr] Downloaded grep v0.2.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7190a717572078d97b7f7dd0a785a1a6d8f50d5470ce4ffb3c94bbb7ef50d1d3 [INFO] running `Command { std: "docker" "start" "-a" "7190a717572078d97b7f7dd0a785a1a6d8f50d5470ce4ffb3c94bbb7ef50d1d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7190a717572078d97b7f7dd0a785a1a6d8f50d5470ce4ffb3c94bbb7ef50d1d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7190a717572078d97b7f7dd0a785a1a6d8f50d5470ce4ffb3c94bbb7ef50d1d3", kill_on_drop: false }` [INFO] [stdout] 7190a717572078d97b7f7dd0a785a1a6d8f50d5470ce4ffb3c94bbb7ef50d1d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 018bd945d9440209c92ecd59feed85102cde4f35b571851f08eab5278cd93268 [INFO] running `Command { std: "docker" "start" "-a" "018bd945d9440209c92ecd59feed85102cde4f35b571851f08eab5278cd93268", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking bytecount v0.6.2 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Compiling test-case v1.2.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking grep-matcher v0.1.5 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking encoding_rs_io v0.1.7 [INFO] [stderr] Checking grep-searcher v0.1.8 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking grep-regex v0.1.9 [INFO] [stderr] Checking grep-cli v0.1.6 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking grep-printer v0.1.6 [INFO] [stderr] Checking grep v0.2.8 [INFO] [stderr] Checking hline v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lines.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn line_split<'a>(s: &'a str) -> impl Iterator)> + 'a { [INFO] [stdout] | ^^ ---- ---- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn line_split<'a>(s: &'a str) -> impl Iterator)> + 'a { [INFO] [stdout] | ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lines.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn line_split<'a>(s: &'a str) -> impl Iterator)> + 'a { [INFO] [stdout] | ^^ ---- ---- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn line_split<'a>(s: &'a str) -> impl Iterator)> + 'a { [INFO] [stdout] | ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.66s [INFO] running `Command { std: "docker" "inspect" "018bd945d9440209c92ecd59feed85102cde4f35b571851f08eab5278cd93268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "018bd945d9440209c92ecd59feed85102cde4f35b571851f08eab5278cd93268", kill_on_drop: false }` [INFO] [stdout] 018bd945d9440209c92ecd59feed85102cde4f35b571851f08eab5278cd93268