[INFO] fetching crate l2r0-small-serde 0.20.1...
[INFO] checking l2r0-small-serde-0.20.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate l2r0-small-serde 0.20.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate l2r0-small-serde 0.20.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate l2r0-small-serde 0.20.1
[INFO] finished tweaking crates.io crate l2r0-small-serde 0.20.1
[INFO] tweaked toml for crates.io crate l2r0-small-serde 0.20.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.14.5)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding risc0-binfmt v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-circuit-recursion v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-circuit-rv32im v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-core v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-zkp v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-zkvm v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding risc0-zkvm-platform v0.20.1 (available: v1.1.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56121db25a9cedd4b82001f618126531ce50a0572984a3742f02204e1c5681ba
[INFO] running `Command { std: "docker" "start" "-a" "56121db25a9cedd4b82001f618126531ce50a0572984a3742f02204e1c5681ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56121db25a9cedd4b82001f618126531ce50a0572984a3742f02204e1c5681ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56121db25a9cedd4b82001f618126531ce50a0572984a3742f02204e1c5681ba", kill_on_drop: false }`
[INFO] [stdout] 56121db25a9cedd4b82001f618126531ce50a0572984a3742f02204e1c5681ba
[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=forbid -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ecc7b077c5e1b748646d21c111ca5a9e694451a83e4711addd6c14e1ddba2d
[INFO] running `Command { std: "docker" "start" "-a" "89ecc7b077c5e1b748646d21c111ca5a9e694451a83e4711addd6c14e1ddba2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling risc0-zkp v0.20.1
[INFO] [stderr]     Checking risc0-zkvm-platform v0.20.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling risc0-circuit-rv32im v0.20.1
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking elf v0.7.4
[INFO] [stderr]    Compiling risc0-zkvm v0.20.1
[INFO] [stderr]    Compiling risc0-circuit-recursion v0.20.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rrs-lib v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling bytemuck_derive v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking risc0-core v0.20.1
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking risc0-binfmt v0.20.1
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-relations v0.4.0
[INFO] [stderr]     Checking ark-snark v0.4.0
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-crypto-primitives v0.4.0
[INFO] [stderr]     Checking ark-bn254 v0.4.0
[INFO] [stderr]     Checking ark-groth16 v0.4.0
[INFO] [stderr]     Checking l2r0-small-serde v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "89ecc7b077c5e1b748646d21c111ca5a9e694451a83e4711addd6c14e1ddba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ecc7b077c5e1b748646d21c111ca5a9e694451a83e4711addd6c14e1ddba2d", kill_on_drop: false }`
[INFO] [stdout] 89ecc7b077c5e1b748646d21c111ca5a9e694451a83e4711addd6c14e1ddba2d