[INFO] fetching crate histogram 0.11.3...
[INFO] testing histogram-0.11.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate histogram 0.11.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate histogram 0.11.3
[INFO] finished tweaking crates.io crate histogram 0.11.3
[INFO] tweaked toml for crates.io crate histogram 0.11.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate histogram 0.11.3 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 histogram 0.11.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 47b82a75481373f9762652f7a0104d35110baae13f3867769b85e11e78e0d684
[INFO] running `Command { std: "docker" "start" "-a" "47b82a75481373f9762652f7a0104d35110baae13f3867769b85e11e78e0d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47b82a75481373f9762652f7a0104d35110baae13f3867769b85e11e78e0d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b82a75481373f9762652f7a0104d35110baae13f3867769b85e11e78e0d684", kill_on_drop: false }`
[INFO] [stdout] 47b82a75481373f9762652f7a0104d35110baae13f3867769b85e11e78e0d684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3ee9f41979832c24d06dce72095528b5cf5d3f575bc2e1fcaa60ca633820f4cb
[INFO] running `Command { std: "docker" "start" "-a" "3ee9f41979832c24d06dce72095528b5cf5d3f575bc2e1fcaa60ca633820f4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling histogram v0.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/standard.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn iter(&self) -> Iter {
[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] 253 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "3ee9f41979832c24d06dce72095528b5cf5d3f575bc2e1fcaa60ca633820f4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee9f41979832c24d06dce72095528b5cf5d3f575bc2e1fcaa60ca633820f4cb", kill_on_drop: false }`
[INFO] [stdout] 3ee9f41979832c24d06dce72095528b5cf5d3f575bc2e1fcaa60ca633820f4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f2b6f6d86c5f30f530c14dc2da6ca8aed566ca0fef789b313235aac04d17ceab
[INFO] running `Command { std: "docker" "start" "-a" "f2b6f6d86c5f30f530c14dc2da6ca8aed566ca0fef789b313235aac04d17ceab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap_builder v4.5.26
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/standard.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn iter(&self) -> Iter {
[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] 253 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling clap v4.5.26
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling histogram v0.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/standard.rs:253:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn iter(&self) -> Iter {
[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] 253 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.81s
[INFO] running `Command { std: "docker" "inspect" "f2b6f6d86c5f30f530c14dc2da6ca8aed566ca0fef789b313235aac04d17ceab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b6f6d86c5f30f530c14dc2da6ca8aed566ca0fef789b313235aac04d17ceab", kill_on_drop: false }`
[INFO] [stdout] f2b6f6d86c5f30f530c14dc2da6ca8aed566ca0fef789b313235aac04d17ceab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e581cd31453779fa1b8122835a600873e3e25b568a41365b8ed83d34c3814a29
[INFO] running `Command { std: "docker" "start" "-a" "e581cd31453779fa1b8122835a600873e3e25b568a41365b8ed83d34c3814a29", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/standard.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn iter(&self) -> Iter {
[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] 253 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]     |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `histogram` (lib) generated 1 warning (run `cargo fix --lib -p histogram` to apply 1 suggestion)
[INFO] [stderr] warning: `histogram` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/histogram-afc32b636b1ba6ca)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test config::tests::sizes ... ok
[INFO] [stdout] test config::tests::total_buckets ... ok
[INFO] [stdout] test config::tests::idx_to_range ... ok
[INFO] [stdout] test sparse::tests::checked_sub ... ok
[INFO] [stdout] test config::tests::idx_to_lower_bound ... ok
[INFO] [stdout] test config::tests::idx_to_upper_bound ... ok
[INFO] [stdout] test sparse::tests::min ... ok
[INFO] [stdout] test atomic::test::size ... ok
[INFO] [stdout] test sparse::tests::wrapping_add ... ok
[INFO] [stdout] test standard::tests::downsample ... ignored, this test is flaky (see issue #100)
[INFO] [stdout] test standard::tests::checked_sub ... ok
[INFO] [stdout] test standard::tests::from_buckets ... ok
[INFO] [stdout] test sparse::tests::percentiles ... ok
[INFO] [stdout] test sparse::tests::snapshot ... ok
[INFO] [stdout] test standard::tests::checked_add ... ok
[INFO] [stdout] test standard::tests::size ... ok
[INFO] [stdout] test standard::tests::wrapping_sub ... ok
[INFO] [stdout] test atomic::test::drain ... ok
[INFO] [stdout] test standard::tests::wrapping_add ... ok
[INFO] [stdout] test standard::tests::min ... ok
[INFO] [stdout] test sparse::tests::downsample ... ok
[INFO] [stdout] test standard::tests::percentiles ... ok
[INFO] [stdout] test atomic::test::percentiles ... ok
[INFO] [stdout] test config::tests::value_to_idx ... ok
[INFO] [stderr]    Doc-tests histogram
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[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" "e581cd31453779fa1b8122835a600873e3e25b568a41365b8ed83d34c3814a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e581cd31453779fa1b8122835a600873e3e25b568a41365b8ed83d34c3814a29", kill_on_drop: false }`
[INFO] [stdout] e581cd31453779fa1b8122835a600873e3e25b568a41365b8ed83d34c3814a29