[INFO] fetching crate mownstr 0.3.1...
[INFO] testing mownstr-0.3.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mownstr 0.3.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mownstr 0.3.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52c7ee923f49439a6cb6e349b309c102e0cc8560a29d6a55adf7076cd2c0aefa
[INFO] running `Command { std: "docker" "start" "-a" "52c7ee923f49439a6cb6e349b309c102e0cc8560a29d6a55adf7076cd2c0aefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c7ee923f49439a6cb6e349b309c102e0cc8560a29d6a55adf7076cd2c0aefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c7ee923f49439a6cb6e349b309c102e0cc8560a29d6a55adf7076cd2c0aefa", kill_on_drop: false }`
[INFO] [stdout] 52c7ee923f49439a6cb6e349b309c102e0cc8560a29d6a55adf7076cd2c0aefa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f829b8f23cb9b6e58723de5e073b33521e2d1e50b40b908aaa528765b495f6
[INFO] running `Command { std: "docker" "start" "-a" "11f829b8f23cb9b6e58723de5e073b33521e2d1e50b40b908aaa528765b495f6", 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "11f829b8f23cb9b6e58723de5e073b33521e2d1e50b40b908aaa528765b495f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f829b8f23cb9b6e58723de5e073b33521e2d1e50b40b908aaa528765b495f6", kill_on_drop: false }`
[INFO] [stdout] 11f829b8f23cb9b6e58723de5e073b33521e2d1e50b40b908aaa528765b495f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c024e6b23f0b5a6e1f04aed34d6106f672d5b6b52de1a22a997d84e888621c
[INFO] running `Command { std: "docker" "start" "-a" "b3c024e6b23f0b5a6e1f04aed34d6106f672d5b6b52de1a22a997d84e888621c", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "b3c024e6b23f0b5a6e1f04aed34d6106f672d5b6b52de1a22a997d84e888621c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c024e6b23f0b5a6e1f04aed34d6106f672d5b6b52de1a22a997d84e888621c", kill_on_drop: false }`
[INFO] [stdout] b3c024e6b23f0b5a6e1f04aed34d6106f672d5b6b52de1a22a997d84e888621c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04cbd9f3b2be11f1be0ae00656dfda5636da706c1ab9a901deddc12855b206ab
[INFO] running `Command { std: "docker" "start" "-a" "04cbd9f3b2be11f1be0ae00656dfda5636da706c1ab9a901deddc12855b206ab", 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 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mownstr-02a3edc195c92dfe)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::build_borrowed ... ok
[INFO] [stdout] test test::build_borrowed_from_cow ... ok
[INFO] [stdout] test test::build_borrowed_empty ... ok
[INFO] [stdout] test test::build_owned_from_cow ... ok
[INFO] [stdout] test test::build_owned_from_box ... ok
[INFO] [stdout] test test::niche ... ok
[INFO] [stdout] test test::build_owned_from_string ... ok
[INFO] [stdout] test test::deref ... ok
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::empty_string ... ok
[INFO] [stdout] test test::eq ... ok
[INFO] [stdout] test test::hash ... ok
[INFO] [stdout] test test::no_double_free ... ok
[INFO] [stdout] test test::order ... ok
[INFO] [stdout] test test::borrowed ... 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 0.87s
[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 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04cbd9f3b2be11f1be0ae00656dfda5636da706c1ab9a901deddc12855b206ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cbd9f3b2be11f1be0ae00656dfda5636da706c1ab9a901deddc12855b206ab", kill_on_drop: false }`
[INFO] [stdout] 04cbd9f3b2be11f1be0ae00656dfda5636da706c1ab9a901deddc12855b206ab
