[INFO] fetching crate tm4c129x-hal 0.9.3...
[INFO] building tm4c129x-hal-0.9.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate tm4c129x-hal 0.9.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tm4c129x-hal 0.9.3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate tm4c129x-hal 0.9.3
[INFO] finished tweaking crates.io crate tm4c129x-hal 0.9.3
[INFO] tweaked toml for crates.io crate tm4c129x-hal 0.9.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tm4c-hal v0.4.2
[INFO] [stderr]   Downloaded tm4c129x v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac72910efb0bbbab256a4d05c511e90e0090661a59d112f2df0b8f8b99f9367
[INFO] running `Command { std: "docker" "start" "-a" "5ac72910efb0bbbab256a4d05c511e90e0090661a59d112f2df0b8f8b99f9367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac72910efb0bbbab256a4d05c511e90e0090661a59d112f2df0b8f8b99f9367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac72910efb0bbbab256a4d05c511e90e0090661a59d112f2df0b8f8b99f9367", kill_on_drop: false }`
[INFO] [stdout] 5ac72910efb0bbbab256a4d05c511e90e0090661a59d112f2df0b8f8b99f9367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c09c58203ffaa7ef441d2f2f22ae0eff2f4738d1de6dbada3c9350d118698a
[INFO] running `Command { std: "docker" "start" "-a" "b9c09c58203ffaa7ef441d2f2f22ae0eff2f4738d1de6dbada3c9350d118698a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling tm4c129x v0.9.2
[INFO] [stderr]    Compiling tm4c129x-hal v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling tm4c-hal v0.4.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "b9c09c58203ffaa7ef441d2f2f22ae0eff2f4738d1de6dbada3c9350d118698a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c09c58203ffaa7ef441d2f2f22ae0eff2f4738d1de6dbada3c9350d118698a", kill_on_drop: false }`
[INFO] [stdout] b9c09c58203ffaa7ef441d2f2f22ae0eff2f4738d1de6dbada3c9350d118698a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7162c8ba7d7765c00ac672d24a3d369f7a414059c9b44c77ebdffa1e6af6bb36
[INFO] running `Command { std: "docker" "start" "-a" "7162c8ba7d7765c00ac672d24a3d369f7a414059c9b44c77ebdffa1e6af6bb36", kill_on_drop: false }`
[INFO] [stderr]    Compiling tm4c129x-hal v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "7162c8ba7d7765c00ac672d24a3d369f7a414059c9b44c77ebdffa1e6af6bb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7162c8ba7d7765c00ac672d24a3d369f7a414059c9b44c77ebdffa1e6af6bb36", kill_on_drop: false }`
[INFO] [stdout] 7162c8ba7d7765c00ac672d24a3d369f7a414059c9b44c77ebdffa1e6af6bb36