[INFO] fetching crate rs-tool 0.1.1... [INFO] testing rs-tool-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rs-tool 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate rs-tool 0.1.1 [INFO] finished tweaking crates.io crate rs-tool 0.1.1 [INFO] tweaked toml for crates.io crate rs-tool 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rs-tool 0.1.1 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 rs-tool 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 12e031693966c2e009c23719b45edb94a404e90715199469b7a7daec93061605 [INFO] running `Command { std: "docker" "start" "-a" "12e031693966c2e009c23719b45edb94a404e90715199469b7a7daec93061605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12e031693966c2e009c23719b45edb94a404e90715199469b7a7daec93061605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12e031693966c2e009c23719b45edb94a404e90715199469b7a7daec93061605", kill_on_drop: false }` [INFO] [stdout] 12e031693966c2e009c23719b45edb94a404e90715199469b7a7daec93061605 [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] 438f8548b86092806614531dc28a040a947bb0d495c6ca83d7a73a909a909110 [INFO] running `Command { std: "docker" "start" "-a" "438f8548b86092806614531dc28a040a947bb0d495c6ca83d7a73a909a909110", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.200 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling anstyle-query v1.0.3 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling colorchoice v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling anstyle v1.0.7 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.116 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling encode_unicode v1.0.0 [INFO] [stderr] Compiling either v1.11.0 [INFO] [stderr] Compiling unicode-width v0.1.12 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling csv-core v0.1.11 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.61 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.200 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling csv v1.3.0 [INFO] [stderr] Compiling prettytable v0.10.0 [INFO] [stderr] Compiling rs-tool v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:174:31 [INFO] [stdout] | [INFO] [stdout] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec { [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] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.93s [INFO] running `Command { std: "docker" "inspect" "438f8548b86092806614531dc28a040a947bb0d495c6ca83d7a73a909a909110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "438f8548b86092806614531dc28a040a947bb0d495c6ca83d7a73a909a909110", kill_on_drop: false }` [INFO] [stdout] 438f8548b86092806614531dc28a040a947bb0d495c6ca83d7a73a909a909110 [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] fd35c3f97e3afd7825fa37298bc4b61c796cc5e563f5ab0f2a8415abf7b1bf22 [INFO] running `Command { std: "docker" "start" "-a" "fd35c3f97e3afd7825fa37298bc4b61c796cc5e563f5ab0f2a8415abf7b1bf22", kill_on_drop: false }` [INFO] [stderr] Compiling rs-tool v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:174:31 [INFO] [stdout] | [INFO] [stdout] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec { [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] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "fd35c3f97e3afd7825fa37298bc4b61c796cc5e563f5ab0f2a8415abf7b1bf22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd35c3f97e3afd7825fa37298bc4b61c796cc5e563f5ab0f2a8415abf7b1bf22", kill_on_drop: false }` [INFO] [stdout] fd35c3f97e3afd7825fa37298bc4b61c796cc5e563f5ab0f2a8415abf7b1bf22 [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] 4768a64832e9cdceeb542a53a6645279da0cd3cadf8d7cd416dbd2ff77a695a0 [INFO] running `Command { std: "docker" "start" "-a" "4768a64832e9cdceeb542a53a6645279da0cd3cadf8d7cd416dbd2ff77a695a0", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:174:31 [INFO] [stderr] | [INFO] [stderr] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec { [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] 174 | fn histogram_top_k(reservoir: &Reservoir, k: u32) -> Vec> { [INFO] [stdout] [INFO] [stderr] | ++++ [INFO] [stdout] running 5 tests [INFO] [stderr] [INFO] [stderr] warning: `rs-tool` (bin "rs-tool" test) generated 1 warning (run `cargo fix --bin "rs-tool" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_tool-2ae80ae49472d14c) [INFO] [stdout] test reservoir::tests::test_single_entry ... ok [INFO] [stdout] test reservoir::tests::test_single_entry_overflow ... ok [INFO] [stdout] test reservoir::tests::test_many_entries_2_types ... ok [INFO] [stdout] test reservoir::tests::test_empty ... ok [INFO] [stdout] test reservoir::tests::test_merge ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4768a64832e9cdceeb542a53a6645279da0cd3cadf8d7cd416dbd2ff77a695a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4768a64832e9cdceeb542a53a6645279da0cd3cadf8d7cd416dbd2ff77a695a0", kill_on_drop: false }` [INFO] [stdout] 4768a64832e9cdceeb542a53a6645279da0cd3cadf8d7cd416dbd2ff77a695a0