[INFO] fetching crate qptrie 0.2.5...
[INFO] testing qptrie-0.2.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate qptrie 0.2.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate qptrie 0.2.5
[INFO] finished tweaking crates.io crate qptrie 0.2.5
[INFO] tweaked toml for crates.io crate qptrie 0.2.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qptrie 0.2.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3269d4ec611c9bcc6e5debb66da8e1361bd5f0c876e830aeff4165fa2e139fb
[INFO] running `Command { std: "docker" "start" "-a" "b3269d4ec611c9bcc6e5debb66da8e1361bd5f0c876e830aeff4165fa2e139fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3269d4ec611c9bcc6e5debb66da8e1361bd5f0c876e830aeff4165fa2e139fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3269d4ec611c9bcc6e5debb66da8e1361bd5f0c876e830aeff4165fa2e139fb", kill_on_drop: false }`
[INFO] [stdout] b3269d4ec611c9bcc6e5debb66da8e1361bd5f0c876e830aeff4165fa2e139fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97dd9564d7f9af480cbd006f942e273059a247c70024f8dea42b1ea0d8cb3ada
[INFO] running `Command { std: "docker" "start" "-a" "97dd9564d7f9af480cbd006f942e273059a247c70024f8dea42b1ea0d8cb3ada", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling qptrie v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/trie.rs:346:57
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<TK, TV> {
[INFO] [stdout]     |                             --                --        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |                 |
[INFO] [stdout]     |                             |                 the lifetime is named here
[INFO] [stdout]     |                             the lifetime is named 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: consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<'t, TK, TV> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "97dd9564d7f9af480cbd006f942e273059a247c70024f8dea42b1ea0d8cb3ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97dd9564d7f9af480cbd006f942e273059a247c70024f8dea42b1ea0d8cb3ada", kill_on_drop: false }`
[INFO] [stdout] 97dd9564d7f9af480cbd006f942e273059a247c70024f8dea42b1ea0d8cb3ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8c6f00ec01dd920215754582a3bd6386a4dcb9eeb65331abcf4341374e23dc
[INFO] running `Command { std: "docker" "start" "-a" "ae8c6f00ec01dd920215754582a3bd6386a4dcb9eeb65331abcf4341374e23dc", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling qptrie v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/trie.rs:346:57
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<TK, TV> {
[INFO] [stdout]     |                             --                --        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |                 |
[INFO] [stdout]     |                             |                 the lifetime is named here
[INFO] [stdout]     |                             the lifetime is named 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: consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<'t, TK, TV> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/trie.rs:346:57
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<TK, TV> {
[INFO] [stdout]     |                             --                --        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |                 |
[INFO] [stdout]     |                             |                 the lifetime is named here
[INFO] [stdout]     |                             the lifetime is named 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: consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<'t, TK, TV> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ae8c6f00ec01dd920215754582a3bd6386a4dcb9eeb65331abcf4341374e23dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8c6f00ec01dd920215754582a3bd6386a4dcb9eeb65331abcf4341374e23dc", kill_on_drop: false }`
[INFO] [stdout] ae8c6f00ec01dd920215754582a3bd6386a4dcb9eeb65331abcf4341374e23dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1afa0fe6d326a4586ab728a7e9feddc0b6d1c4593d72dadb181ace13b6ae0114
[INFO] running `Command { std: "docker" "start" "-a" "1afa0fe6d326a4586ab728a7e9feddc0b6d1c4593d72dadb181ace13b6ae0114", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/trie.rs:346:57
[INFO] [stderr]     |
[INFO] [stderr] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<TK, TV> {
[INFO] [stderr]     |                             --                --        ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |                 |
[INFO] [stderr]     |                             |                 the lifetime is named here
[INFO] [stderr]     |                             the lifetime is named 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: consistently use `'t`
[INFO] [stderr]     |
[INFO] [stderr] 346 |     pub fn prefix_iter<'t>(&'t self, prefix: &'t TK) -> TriePrefixIterator<'t, TK, TV> {
[INFO] [stderr]     |                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `qptrie` (lib) generated 1 warning (run `cargo fix --lib -p qptrie` to apply 1 suggestion)
[INFO] [stderr] warning: `qptrie` (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/qptrie-70c8ddd93b8e341b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests qptrie
[INFO] [stdout] test test::test_gen ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1afa0fe6d326a4586ab728a7e9feddc0b6d1c4593d72dadb181ace13b6ae0114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afa0fe6d326a4586ab728a7e9feddc0b6d1c4593d72dadb181ace13b6ae0114", kill_on_drop: false }`
[INFO] [stdout] 1afa0fe6d326a4586ab728a7e9feddc0b6d1c4593d72dadb181ace13b6ae0114
