[INFO] fetching crate mownstr 0.3.1...
[INFO] testing mownstr-0.3.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mownstr 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mownstr 0.3.1
[INFO] finished tweaking crates.io crate mownstr 0.3.1
[INFO] tweaked toml for crates.io crate mownstr 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mownstr 0.3.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mownstr 0.3.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.6
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded half v2.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.209
[INFO] [stderr]   Downloaded serde v1.0.209
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded plotters v0.3.6
[INFO] [stderr]   Downloaded regex v1.10.6
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded clap v3.2.25
[INFO] [stderr]   Downloaded plotters-backend v0.3.6
[INFO] [stderr]   Downloaded syn v2.0.77
[INFO] [stderr]   Downloaded regex-syntax v0.8.4
[INFO] [stderr]   Downloaded regex-automata v0.4.7
[INFO] [stderr]   Downloaded libc v0.2.158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17b813db0802c72e54f7a4c8ffb83e5e33c6433148f3d3772b776d5a27ab1674
[INFO] running `Command { std: "docker" "start" "-a" "17b813db0802c72e54f7a4c8ffb83e5e33c6433148f3d3772b776d5a27ab1674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17b813db0802c72e54f7a4c8ffb83e5e33c6433148f3d3772b776d5a27ab1674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b813db0802c72e54f7a4c8ffb83e5e33c6433148f3d3772b776d5a27ab1674", kill_on_drop: false }`
[INFO] [stdout] 17b813db0802c72e54f7a4c8ffb83e5e33c6433148f3d3772b776d5a27ab1674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0079c4fd603745f3971f96ad118ab67d0f84f696c78c0aebf56755b3b2ef39e2
[INFO] running `Command { std: "docker" "start" "-a" "0079c4fd603745f3971f96ad118ab67d0f84f696c78c0aebf56755b3b2ef39e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mownstr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:79:27
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const fn borrowed(&self) -> MownStr {
[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] 79 |     pub const fn borrowed(&self) -> MownStr<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "0079c4fd603745f3971f96ad118ab67d0f84f696c78c0aebf56755b3b2ef39e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0079c4fd603745f3971f96ad118ab67d0f84f696c78c0aebf56755b3b2ef39e2", kill_on_drop: false }`
[INFO] [stdout] 0079c4fd603745f3971f96ad118ab67d0f84f696c78c0aebf56755b3b2ef39e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9bdbf24db1035d62191a09a3b48cc938416ccc51f0178bf90ffedd88b48e497
[INFO] running `Command { std: "docker" "start" "-a" "d9bdbf24db1035d62191a09a3b48cc938416ccc51f0178bf90ffedd88b48e497", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:79:27
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const fn borrowed(&self) -> MownStr {
[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] 79 |     pub const fn borrowed(&self) -> MownStr<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mownstr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:79:27
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const fn borrowed(&self) -> MownStr {
[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] 79 |     pub const fn borrowed(&self) -> MownStr<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d9bdbf24db1035d62191a09a3b48cc938416ccc51f0178bf90ffedd88b48e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bdbf24db1035d62191a09a3b48cc938416ccc51f0178bf90ffedd88b48e497", kill_on_drop: false }`
[INFO] [stdout] d9bdbf24db1035d62191a09a3b48cc938416ccc51f0178bf90ffedd88b48e497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e176cd1b8d44d06bbd1303887112f96826949a6af71174167065823af0ef6cd
[INFO] running `Command { std: "docker" "start" "-a" "0e176cd1b8d44d06bbd1303887112f96826949a6af71174167065823af0ef6cd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:79:27
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub const fn borrowed(&self) -> MownStr {
[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] 79 |     pub const fn borrowed(&self) -> MownStr<'_> {
[INFO] [stderr]    |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mownstr` (lib) generated 1 warning (run `cargo fix --lib -p mownstr` to apply 1 suggestion)
[INFO] [stderr] warning: `mownstr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mownstr-32a24926914f2c06)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::build_borrowed ... ok
[INFO] [stdout] test test::build_owned_from_cow ... ok
[INFO] [stdout] test test::deref ... ok
[INFO] [stdout] test test::borrowed ... ok
[INFO] [stdout] test test::build_borrowed_empty ... ok
[INFO] [stdout] test test::build_owned_from_string ... ok
[INFO] [stdout] test test::build_owned_from_box ... ok
[INFO] [stdout] test test::build_borrowed_from_cow ... ok
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::eq ... ok
[INFO] [stdout] test test::empty_string ... ok
[INFO] [stdout] test test::hash ... ok
[INFO] [stdout] test test::niche ... ok
[INFO] [stdout] test test::no_double_free ... ok
[INFO] [stdout] test test::order ... ok
[INFO] [stdout] test test::size ... ok
[INFO] [stdout] test test::no_memory_leak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mownstr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - MownStr<'a>::to (line 314) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e176cd1b8d44d06bbd1303887112f96826949a6af71174167065823af0ef6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e176cd1b8d44d06bbd1303887112f96826949a6af71174167065823af0ef6cd", kill_on_drop: false }`
[INFO] [stdout] 0e176cd1b8d44d06bbd1303887112f96826949a6af71174167065823af0ef6cd