[INFO] fetching crate kcp2 0.2.4...
[INFO] checking kcp2-0.2.4 against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] extracting crate kcp2 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate kcp2 0.2.4
[INFO] finished tweaking crates.io crate kcp2 0.2.4
[INFO] tweaked toml for crates.io crate kcp2 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcp2 0.2.4 on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kcp2 0.2.4 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33
[INFO] running `Command { std: "docker" "start" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_lex v1.0.1
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking kcp2-core v0.1.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking clap_builder v4.5.61
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.61
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tokio v1.52.1
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking kcp2-std v0.1.5
[INFO] [stderr]     Checking kcp2 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33", kill_on_drop: false }`
[INFO] [stdout] 19b0e59e86e64c3ca2322b53a12653859db950a85c6b3b0f966ade35c507eb33