[INFO] fetching crate rawcmd_utils 0.1.1...
[INFO] building rawcmd_utils-0.1.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate rawcmd_utils 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rawcmd_utils 0.1.1 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rawcmd_utils 0.1.1
[INFO] finished tweaking crates.io crate rawcmd_utils 0.1.1
[INFO] tweaked toml for crates.io crate rawcmd_utils 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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 6 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 772e9b051345d9dbbfe8cd4e68c2a186c2f1aaadc642689587df78cbf946b036
[INFO] running `Command { std: "docker" "start" "-a" "772e9b051345d9dbbfe8cd4e68c2a186c2f1aaadc642689587df78cbf946b036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772e9b051345d9dbbfe8cd4e68c2a186c2f1aaadc642689587df78cbf946b036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772e9b051345d9dbbfe8cd4e68c2a186c2f1aaadc642689587df78cbf946b036", kill_on_drop: false }`
[INFO] [stdout] 772e9b051345d9dbbfe8cd4e68c2a186c2f1aaadc642689587df78cbf946b036
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e276732e8c08ead4c599d8e0eb4e4ecaea83b3f32a8df531f1234c03443ab0ac
[INFO] running `Command { std: "docker" "start" "-a" "e276732e8c08ead4c599d8e0eb4e4ecaea83b3f32a8df531f1234c03443ab0ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rawcmd_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                             ^^                ----------
[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] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                                ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "e276732e8c08ead4c599d8e0eb4e4ecaea83b3f32a8df531f1234c03443ab0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e276732e8c08ead4c599d8e0eb4e4ecaea83b3f32a8df531f1234c03443ab0ac", kill_on_drop: false }`
[INFO] [stdout] e276732e8c08ead4c599d8e0eb4e4ecaea83b3f32a8df531f1234c03443ab0ac
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ebdc58e21023067b5f1e9f5431a7e5fa2dba911e5ac6f9616eb93c429258f6
[INFO] running `Command { std: "docker" "start" "-a" "92ebdc58e21023067b5f1e9f5431a7e5fa2dba911e5ac6f9616eb93c429258f6", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                             ^^                ----------
[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] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                                ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rawcmd_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&[&str; 2]> {
[INFO] [stdout]    |                             ^^                ----------
[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] 43 | pub fn ansi_pair<'a>(code: &'a str) -> Option<&'a [&'a str; 2]> {
[INFO] [stdout]    |                                                ++   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "92ebdc58e21023067b5f1e9f5431a7e5fa2dba911e5ac6f9616eb93c429258f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ebdc58e21023067b5f1e9f5431a7e5fa2dba911e5ac6f9616eb93c429258f6", kill_on_drop: false }`
[INFO] [stdout] 92ebdc58e21023067b5f1e9f5431a7e5fa2dba911e5ac6f9616eb93c429258f6