[INFO] fetching crate streaming-median 0.1.0... [INFO] testing streaming-median-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate streaming-median 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate streaming-median 0.1.0 [INFO] finished tweaking crates.io crate streaming-median 0.1.0 [INFO] tweaked toml for crates.io crate streaming-median 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate streaming-median 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 77 packages to latest compatible versions [INFO] [stderr] Adding arraydeque v0.4.5 (available: v0.5.1) [INFO] [stderr] Adding criterion v0.2.11 (available: v0.7.0) [INFO] [stderr] Adding quickcheck v0.7.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32e3a1d6ac929aa19c7f486d5d5ab36eda7f9afb66cf3e4a7052fb7fea91714b [INFO] running `Command { std: "docker" "start" "-a" "32e3a1d6ac929aa19c7f486d5d5ab36eda7f9afb66cf3e4a7052fb7fea91714b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32e3a1d6ac929aa19c7f486d5d5ab36eda7f9afb66cf3e4a7052fb7fea91714b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32e3a1d6ac929aa19c7f486d5d5ab36eda7f9afb66cf3e4a7052fb7fea91714b", kill_on_drop: false }` [INFO] [stdout] 32e3a1d6ac929aa19c7f486d5d5ab36eda7f9afb66cf3e4a7052fb7fea91714b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f3bca6e624bb8cedd5d5f4b75aa6d10c61f95164c3bd4e82aa7db5d87e97716c [INFO] running `Command { std: "docker" "start" "-a" "f3bca6e624bb8cedd5d5f4b75aa6d10c61f95164c3bd4e82aa7db5d87e97716c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling arraydeque v0.4.5 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling xorshift v0.1.3 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling quickcheck v0.7.2 [INFO] [stderr] Compiling streaming-median v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use std::mem::uninitialized; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u32; 64]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.36s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "f3bca6e624bb8cedd5d5f4b75aa6d10c61f95164c3bd4e82aa7db5d87e97716c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3bca6e624bb8cedd5d5f4b75aa6d10c61f95164c3bd4e82aa7db5d87e97716c", kill_on_drop: false }` [INFO] [stdout] f3bca6e624bb8cedd5d5f4b75aa6d10c61f95164c3bd4e82aa7db5d87e97716c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9bcf156c42a2a6651cd719f40c7eea682115550017811bedec0a5ed12e7e446b [INFO] running `Command { std: "docker" "start" "-a" "9bcf156c42a2a6651cd719f40c7eea682115550017811bedec0a5ed12e7e446b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling streaming-median v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use std::mem::uninitialized; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u32; 64]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | use std::mem::uninitialized; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u32; 64]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:105:53 [INFO] [stdout] | [INFO] [stdout] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "9bcf156c42a2a6651cd719f40c7eea682115550017811bedec0a5ed12e7e446b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bcf156c42a2a6651cd719f40c7eea682115550017811bedec0a5ed12e7e446b", kill_on_drop: false }` [INFO] [stdout] 9bcf156c42a2a6651cd719f40c7eea682115550017811bedec0a5ed12e7e446b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b1f4c09c32af2779f6718cc2f985137f14b6ce26e887c18d36a770b5086dbff2 [INFO] running `Command { std: "docker" "start" "-a" "b1f4c09c32af2779f6718cc2f985137f14b6ce26e887c18d36a770b5086dbff2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::mem::uninitialized; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:105:53 [INFO] [stderr] | [INFO] [stderr] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the type `[u32; 64]` does not permit being left uninitialized [INFO] [stderr] --> src/lib.rs:105:53 [INFO] [stderr] | [INFO] [stderr] 105 | let mut scratch_space: [u32; 64] = unsafe { uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `streaming-median` (lib) generated 3 warnings [INFO] [stderr] warning: `streaming-median` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/streaming_median-637b4e6bbc960f80) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::test_poison_absence ... ok [INFO] [stdout] test test::maintains_sorted ... ok [INFO] [stdout] test test::test_median_ascending ... ok [INFO] [stdout] test test::test_median_descending ... ok [INFO] [stdout] test test::test_median_random ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] [stderr] Doc-tests streaming_median [INFO] [stderr] warning: unknown attribute `norun` [INFO] [stderr] --> src/lib.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | / /// Returns the last median value without performing any recalculation [INFO] [stderr] 42 | | /// [INFO] [stderr] 43 | | /// # Example [INFO] [stderr] 44 | | /// ```norun [INFO] [stderr] ... | [INFO] [stderr] 48 | | /// assert_eq!(stream.last(), 31_000); [INFO] [stderr] 49 | | /// ``` [INFO] [stderr] | |___________^ [INFO] [stderr] | [INFO] [stderr] = help: use `no_run` to compile, but not run, the code sample during testing [INFO] [stderr] = help: this code block may be skipped during testing, because unknown attributes are treated as markers for code samples written in other programming languages, unless it is also explicitly marked as `rust` [INFO] [stderr] = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unknown attribute `norun` [INFO] [stderr] --> src/lib.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | / /// Calculates and returns the median [INFO] [stderr] 55 | | /// [INFO] [stderr] 56 | | /// # Arguments [INFO] [stderr] 57 | | /// [INFO] [stderr] ... | [INFO] [stderr] 102 | | /// [INFO] [stderr] 103 | | /// Unsafe is used here to dramatically improve performance - a full 3-5x [INFO] [stderr] | |_____________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = help: use `no_run` to compile, but not run, the code sample during testing [INFO] [stderr] = help: this code block may be skipped during testing, because unknown attributes are treated as markers for code samples written in other programming languages, unless it is also explicitly marked as `rust` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [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] running `Command { std: "docker" "inspect" "b1f4c09c32af2779f6718cc2f985137f14b6ce26e887c18d36a770b5086dbff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1f4c09c32af2779f6718cc2f985137f14b6ce26e887c18d36a770b5086dbff2", kill_on_drop: false }` [INFO] [stdout] b1f4c09c32af2779f6718cc2f985137f14b6ce26e887c18d36a770b5086dbff2