[INFO] fetching crate cpp_regexp 0.6.1...
[INFO] checking cpp_regexp-0.6.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate cpp_regexp 0.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cpp_regexp 0.6.1 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 cpp_regexp 0.6.1
[INFO] finished tweaking crates.io crate cpp_regexp 0.6.1
[INFO] tweaked toml for crates.io crate cpp_regexp 0.6.1 written to /workspace/builds/worker-2-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 27 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e203613f8741a7c1a4e5d1f8b2d6ac5ee3da0e63fd4bd2d62b2ac86b01f14be2
[INFO] running `Command { std: "docker" "start" "-a" "e203613f8741a7c1a4e5d1f8b2d6ac5ee3da0e63fd4bd2d62b2ac86b01f14be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e203613f8741a7c1a4e5d1f8b2d6ac5ee3da0e63fd4bd2d62b2ac86b01f14be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e203613f8741a7c1a4e5d1f8b2d6ac5ee3da0e63fd4bd2d62b2ac86b01f14be2", kill_on_drop: false }`
[INFO] [stdout] e203613f8741a7c1a4e5d1f8b2d6ac5ee3da0e63fd4bd2d62b2ac86b01f14be2
[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=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] 82fc3ce53f721f4d8b1fa420d4d94f2610319a67f32083c175f513ec8f8b9f2b
[INFO] running `Command { std: "docker" "start" "-a" "82fc3ce53f721f4d8b1fa420d4d94f2610319a67f32083c175f513ec8f8b9f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.128
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling cxx v1.0.128
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx-build v1.0.128
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.128
[INFO] [stderr]    Compiling cpp_regexp v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.76s
[INFO] running `Command { std: "docker" "inspect" "82fc3ce53f721f4d8b1fa420d4d94f2610319a67f32083c175f513ec8f8b9f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fc3ce53f721f4d8b1fa420d4d94f2610319a67f32083c175f513ec8f8b9f2b", kill_on_drop: false }`
[INFO] [stdout] 82fc3ce53f721f4d8b1fa420d4d94f2610319a67f32083c175f513ec8f8b9f2b