[INFO] fetching crate libsecp256k1 0.7.1...
[INFO] checking libsecp256k1-0.7.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate libsecp256k1 0.7.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.7.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsecp256k1 0.7.1
[INFO] finished tweaking crates.io crate libsecp256k1 0.7.1
[INFO] tweaked toml for crates.io crate libsecp256k1 0.7.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.3.0)
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding crypto-mac v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hex-literal v0.3.4 (available: v0.4.1)
[INFO] [stderr]       Adding hmac v0.8.1 (available: v0.12.1)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding secp256k1 v0.20.3 (available: v0.29.1)
[INFO] [stderr]       Adding secp256k1-sys v0.4.2 (available: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73124fa9fe34dc7707a15a18ad74022df1221ac51d82b4d70bf2f6a36716e176
[INFO] running `Command { std: "docker" "start" "-a" "73124fa9fe34dc7707a15a18ad74022df1221ac51d82b4d70bf2f6a36716e176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73124fa9fe34dc7707a15a18ad74022df1221ac51d82b4d70bf2f6a36716e176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73124fa9fe34dc7707a15a18ad74022df1221ac51d82b4d70bf2f6a36716e176", kill_on_drop: false }`
[INFO] [stdout] 73124fa9fe34dc7707a15a18ad74022df1221ac51d82b4d70bf2f6a36716e176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6005e4df41b4fc5d09f75fcc1f60e0a8aa57b497be2cf3346b22d3743433854
[INFO] running `Command { std: "docker" "start" "-a" "f6005e4df41b4fc5d09f75fcc1f60e0a8aa57b497be2cf3346b22d3743433854", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.95s
[INFO] running `Command { std: "docker" "inspect" "f6005e4df41b4fc5d09f75fcc1f60e0a8aa57b497be2cf3346b22d3743433854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6005e4df41b4fc5d09f75fcc1f60e0a8aa57b497be2cf3346b22d3743433854", kill_on_drop: false }`
[INFO] [stdout] f6005e4df41b4fc5d09f75fcc1f60e0a8aa57b497be2cf3346b22d3743433854