[INFO] fetching crate unescape_zero_copy 2.3.1...
[INFO] testing unescape_zero_copy-2.3.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate unescape_zero_copy 2.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate unescape_zero_copy 2.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate unescape_zero_copy 2.3.1
[INFO] tweaked toml for crates.io crate unescape_zero_copy 2.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unescape_zero_copy 2.3.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ab0140417dc5886fbf78f797fa67d6b10d7d8f0f4e822a5f7abb954e69a376
[INFO] running `Command { std: "docker" "start" "-a" "02ab0140417dc5886fbf78f797fa67d6b10d7d8f0f4e822a5f7abb954e69a376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ab0140417dc5886fbf78f797fa67d6b10d7d8f0f4e822a5f7abb954e69a376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ab0140417dc5886fbf78f797fa67d6b10d7d8f0f4e822a5f7abb954e69a376", kill_on_drop: false }`
[INFO] [stdout] 02ab0140417dc5886fbf78f797fa67d6b10d7d8f0f4e822a5f7abb954e69a376
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6484f5bfc4bb92823387afb00accb88b56b843321ea6269772e46fa3f4199b7c
[INFO] running `Command { std: "docker" "start" "-a" "6484f5bfc4bb92823387afb00accb88b56b843321ea6269772e46fa3f4199b7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unescape_zero_copy v2.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:360:28
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<str>, Error> {
[INFO] [stdout]     |                            ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<'_, str>, Error> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6484f5bfc4bb92823387afb00accb88b56b843321ea6269772e46fa3f4199b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6484f5bfc4bb92823387afb00accb88b56b843321ea6269772e46fa3f4199b7c", kill_on_drop: false }`
[INFO] [stdout] 6484f5bfc4bb92823387afb00accb88b56b843321ea6269772e46fa3f4199b7c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 561ec77fb96dbe563597b2c9ab306679ea16e68fce31a6ec3b1f747e67124fd3
[INFO] running `Command { std: "docker" "start" "-a" "561ec77fb96dbe563597b2c9ab306679ea16e68fce31a6ec3b1f747e67124fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:360:28
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<str>, Error> {
[INFO] [stdout]     |                            ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<'_, str>, Error> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling quickcheck_macros v1.2.0
[INFO] [stderr]    Compiling unescape_zero_copy v2.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:360:28
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<str>, Error> {
[INFO] [stdout]     |                            ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn unescape_default(s: &str) -> Result<Cow<'_, str>, Error> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "561ec77fb96dbe563597b2c9ab306679ea16e68fce31a6ec3b1f747e67124fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561ec77fb96dbe563597b2c9ab306679ea16e68fce31a6ec3b1f747e67124fd3", kill_on_drop: false }`
[INFO] [stdout] 561ec77fb96dbe563597b2c9ab306679ea16e68fce31a6ec3b1f747e67124fd3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eeee76c2efa305cc6a28e3250be92d24c1d98b165122a7fd1ce44e2216b73bd
[INFO] running `Command { std: "docker" "start" "-a" "7eeee76c2efa305cc6a28e3250be92d24c1d98b165122a7fd1ce44e2216b73bd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:360:28
[INFO] [stderr]     |
[INFO] [stderr] 360 | pub fn unescape_default(s: &str) -> Result<Cow<str>, Error> {
[INFO] [stderr]     |                            ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 360 | pub fn unescape_default(s: &str) -> Result<Cow<'_, str>, Error> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `unescape_zero_copy` (lib) generated 1 warning (run `cargo fix --lib -p unescape_zero_copy` to apply 1 suggestion)
[INFO] [stderr] warning: `unescape_zero_copy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unescape_zero_copy-4965689a1ebd41ff)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::unicode_escapes ... ok
[INFO] [stdout] test test::unicode_multibyte ... ok
[INFO] [stdout] test test::unescapes_backslashes ... ok
[INFO] [stdout] test test::borrow_strings_without_escapes ... ok
[INFO] [stdout] test test::inverts_escape_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]      Running tests/lua_escapes.rs (/opt/rustwide/target/debug/deps/lua_escapes-46ab20e7e56511af)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lua_escapes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unescape_zero_copy
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7eeee76c2efa305cc6a28e3250be92d24c1d98b165122a7fd1ce44e2216b73bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eeee76c2efa305cc6a28e3250be92d24c1d98b165122a7fd1ce44e2216b73bd", kill_on_drop: false }`
[INFO] [stdout] 7eeee76c2efa305cc6a28e3250be92d24c1d98b165122a7fd1ce44e2216b73bd