[INFO] fetching crate masstree 0.7.4...
[INFO] checking masstree-0.7.4 against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] extracting crate masstree 0.7.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate masstree 0.7.4
[INFO] finished tweaking crates.io crate masstree 0.7.4
[INFO] tweaked toml for crates.io crate masstree 0.7.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate masstree 0.7.4 on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate masstree 0.7.4 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded ftree v1.3.0
[INFO] [stderr]   Downloaded assoc v0.1.3
[INFO] [stderr]   Downloaded criterion-plot v0.8.2
[INFO] [stderr]   Downloaded saa v5.4.6
[INFO] [stderr]   Downloaded indexset v0.14.0
[INFO] [stderr]   Downloaded sdd v4.6.2
[INFO] [stderr]   Downloaded scc v3.5.5
[INFO] [stderr]   Downloaded shuttle v0.8.1
[INFO] [stderr]   Downloaded criterion v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff761ff138e5d9c57a9a83ecac9a6cfe635ff61e27598e489c3d27b8cb35922a
[INFO] running `Command { std: "docker" "start" "-a" "ff761ff138e5d9c57a9a83ecac9a6cfe635ff61e27598e489c3d27b8cb35922a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff761ff138e5d9c57a9a83ecac9a6cfe635ff61e27598e489c3d27b8cb35922a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff761ff138e5d9c57a9a83ecac9a6cfe635ff61e27598e489c3d27b8cb35922a", kill_on_drop: false }`
[INFO] [stdout] ff761ff138e5d9c57a9a83ecac9a6cfe635ff61e27598e489c3d27b8cb35922a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061cfa4049f5cd3fb28d455d2ad6a3431e944ea8dc968d94cf8c1c62fd33dfc2
[INFO] running `Command { std: "docker" "start" "-a" "061cfa4049f5cd3fb28d455d2ad6a3431e944ea8dc968d94cf8c1c62fd33dfc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]    Compiling generator v0.8.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling iai-callgrind-runner v0.16.1
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking seize v0.5.1
[INFO] [stderr]     Checking clap_builder v4.5.57
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]    Compiling iai-callgrind v0.16.1
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.8.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]     Checking assoc v0.1.3
[INFO] [stderr]     Checking saa v5.4.6
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking sdd v4.6.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking regex-lite v0.1.9
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking papaya v0.2.3
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking congee v0.4.1
[INFO] [stderr]     Checking masstree v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scc v3.5.5
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.38
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling divan-macros v0.1.21
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]     Checking clap v4.5.57
[INFO] [stderr]     Checking divan v0.1.21
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling iai-callgrind-macros v0.6.1
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking ftree v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking indexset v0.14.0
[INFO] [stderr]     Checking loom v0.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking shuttle v0.8.1
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]     Checking criterion v0.8.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.30s
[INFO] running `Command { std: "docker" "inspect" "061cfa4049f5cd3fb28d455d2ad6a3431e944ea8dc968d94cf8c1c62fd33dfc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061cfa4049f5cd3fb28d455d2ad6a3431e944ea8dc968d94cf8c1c62fd33dfc2", kill_on_drop: false }`
[INFO] [stdout] 061cfa4049f5cd3fb28d455d2ad6a3431e944ea8dc968d94cf8c1c62fd33dfc2