[INFO] fetching crate mown 1.0.0...
[INFO] testing mown-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mown 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mown 1.0.0
[INFO] finished tweaking crates.io crate mown 1.0.0
[INFO] tweaked toml for crates.io crate mown 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mown 1.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mown 1.0.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a366a82cea7cf3fa352491ff517e847b05f342eba732346398055c3ab77e1c7
[INFO] running `Command { std: "docker" "start" "-a" "9a366a82cea7cf3fa352491ff517e847b05f342eba732346398055c3ab77e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a366a82cea7cf3fa352491ff517e847b05f342eba732346398055c3ab77e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a366a82cea7cf3fa352491ff517e847b05f342eba732346398055c3ab77e1c7", kill_on_drop: false }`
[INFO] [stdout] 9a366a82cea7cf3fa352491ff517e847b05f342eba732346398055c3ab77e1c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d34d8c3a502742e8b39c88a174da02a4f4d859a19fe2064853ce8c5822d2410
[INFO] running `Command { std: "docker" "start" "-a" "9d34d8c3a502742e8b39c88a174da02a4f4d859a19fe2064853ce8c5822d2410", kill_on_drop: false }`
[INFO] [stderr]    Compiling mown v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "9d34d8c3a502742e8b39c88a174da02a4f4d859a19fe2064853ce8c5822d2410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d34d8c3a502742e8b39c88a174da02a4f4d859a19fe2064853ce8c5822d2410", kill_on_drop: false }`
[INFO] [stdout] 9d34d8c3a502742e8b39c88a174da02a4f4d859a19fe2064853ce8c5822d2410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a54372b3d4d1c3d40dde85a1c6d61967d6bcef27669b2bb06d0d4df9798d597
[INFO] running `Command { std: "docker" "start" "-a" "3a54372b3d4d1c3d40dde85a1c6d61967d6bcef27669b2bb06d0d4df9798d597", kill_on_drop: false }`
[INFO] [stderr]    Compiling mown v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> examples/unsized.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn response(input: &str) -> Mown<str> {
[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] 4 | fn response(input: &str) -> Mown<'_, str> {
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> examples/sized.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn response(input: &String) -> Mown<String> {
[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] 4 | fn response(input: &String) -> Mown<'_, String> {
[INFO] [stdout]   |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "3a54372b3d4d1c3d40dde85a1c6d61967d6bcef27669b2bb06d0d4df9798d597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a54372b3d4d1c3d40dde85a1c6d61967d6bcef27669b2bb06d0d4df9798d597", kill_on_drop: false }`
[INFO] [stdout] 3a54372b3d4d1c3d40dde85a1c6d61967d6bcef27669b2bb06d0d4df9798d597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 601122dc17e85dd33c7dbcb2bf25a9c82ffea65bf4dd952700746207195cb4fe
[INFO] running `Command { std: "docker" "start" "-a" "601122dc17e85dd33c7dbcb2bf25a9c82ffea65bf4dd952700746207195cb4fe", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> examples/unsized.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn response(input: &str) -> Mown<str> {
[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] 4 | fn response(input: &str) -> Mown<'_, str> {
[INFO] [stderr]   |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mown` (example "unsized") generated 1 warning (run `cargo fix --example "unsized"` to apply 1 suggestion)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> examples/sized.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn response(input: &String) -> Mown<String> {
[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] 4 | fn response(input: &String) -> Mown<'_, String> {
[INFO] [stderr]   |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mown` (example "sized") generated 1 warning (run `cargo fix --example "sized"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mown-4426beaaaa1d56c2)
[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] [stderr]    Doc-tests mown
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "601122dc17e85dd33c7dbcb2bf25a9c82ffea65bf4dd952700746207195cb4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601122dc17e85dd33c7dbcb2bf25a9c82ffea65bf4dd952700746207195cb4fe", kill_on_drop: false }`
[INFO] [stdout] 601122dc17e85dd33c7dbcb2bf25a9c82ffea65bf4dd952700746207195cb4fe