[INFO] fetching crate ruspiro-singleton 0.4.3...
[INFO] testing ruspiro-singleton-0.4.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ruspiro-singleton 0.4.3 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-singleton 0.4.3
[INFO] finished tweaking crates.io crate ruspiro-singleton 0.4.3
[INFO] tweaked toml for crates.io crate ruspiro-singleton 0.4.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruspiro-singleton 0.4.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding ruspiro-lock v0.4.3 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13696dd82a79ce354da3a910bd74068193743bc5d6378d9928b5f8a365b10c78
[INFO] running `Command { std: "docker" "start" "-a" "13696dd82a79ce354da3a910bd74068193743bc5d6378d9928b5f8a365b10c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13696dd82a79ce354da3a910bd74068193743bc5d6378d9928b5f8a365b10c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13696dd82a79ce354da3a910bd74068193743bc5d6378d9928b5f8a365b10c78", kill_on_drop: false }`
[INFO] [stdout] 13696dd82a79ce354da3a910bd74068193743bc5d6378d9928b5f8a365b10c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0379c49feba1086771c3f4e6b954c4420ed237e8cd658064bb6d14d28933c844
[INFO] running `Command { std: "docker" "start" "-a" "0379c49feba1086771c3f4e6b954c4420ed237e8cd658064bb6d14d28933c844", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspiro-lock v0.4.3
[INFO] [stderr]    Compiling ruspiro-singleton v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0379c49feba1086771c3f4e6b954c4420ed237e8cd658064bb6d14d28933c844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0379c49feba1086771c3f4e6b954c4420ed237e8cd658064bb6d14d28933c844", kill_on_drop: false }`
[INFO] [stdout] 0379c49feba1086771c3f4e6b954c4420ed237e8cd658064bb6d14d28933c844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 842fa1f326acf300e592d1a110513e443ee22b4f3b4ee590f1d761b739e53ae5
[INFO] running `Command { std: "docker" "start" "-a" "842fa1f326acf300e592d1a110513e443ee22b4f3b4ee590f1d761b739e53ae5", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruspiro-singleton v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "842fa1f326acf300e592d1a110513e443ee22b4f3b4ee590f1d761b739e53ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842fa1f326acf300e592d1a110513e443ee22b4f3b4ee590f1d761b739e53ae5", kill_on_drop: false }`
[INFO] [stdout] 842fa1f326acf300e592d1a110513e443ee22b4f3b4ee590f1d761b739e53ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd7caee97251336a04926067a42ae579cf4d600282634fe044c9d6fc8ce18447
[INFO] running `Command { std: "docker" "start" "-a" "fd7caee97251336a04926067a42ae579cf4d600282634fe044c9d6fc8ce18447", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(const_fn_trait_bound)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ruspiro-singleton` (lib) generated 1 warning
[INFO] [stderr] warning: `ruspiro-singleton` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruspiro_singleton-5e57ac1049f4852b)
[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 ruspiro_singleton
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Singleton<T>::new (line 93) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] test src/lib.rs - Singleton<T>::lazy (line 107) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd7caee97251336a04926067a42ae579cf4d600282634fe044c9d6fc8ce18447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7caee97251336a04926067a42ae579cf4d600282634fe044c9d6fc8ce18447", kill_on_drop: false }`
[INFO] [stdout] fd7caee97251336a04926067a42ae579cf4d600282634fe044c9d6fc8ce18447