[INFO] cloning repository https://github.com/tigger1005/uni_arm_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tigger1005/uni_arm_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigger1005%2Funi_arm_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigger1005%2Funi_arm_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e34cc7a6e8b8ebcdde3678a48bc1e77f6c38034b
[INFO] building tigger1005/uni_arm_sim against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigger1005%2Funi_arm_sim" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigger1005/uni_arm_sim 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] started tweaking git repo https://github.com/tigger1005/uni_arm_sim
[INFO] finished tweaking git repo https://github.com/tigger1005/uni_arm_sim
[INFO] tweaked toml for git repo https://github.com/tigger1005/uni_arm_sim written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.52
[INFO] [stderr]   Downloaded elf v0.7.4
[INFO] [stderr]   Downloaded unicorn-engine v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2ec7168331cc30abf654f5beddbaa1b726ebe00734d1aaa656b5b1b0e009cbac
[INFO] running `Command { std: "docker" "start" "-a" "2ec7168331cc30abf654f5beddbaa1b726ebe00734d1aaa656b5b1b0e009cbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec7168331cc30abf654f5beddbaa1b726ebe00734d1aaa656b5b1b0e009cbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec7168331cc30abf654f5beddbaa1b726ebe00734d1aaa656b5b1b0e009cbac", kill_on_drop: false }`
[INFO] [stdout] 2ec7168331cc30abf654f5beddbaa1b726ebe00734d1aaa656b5b1b0e009cbac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b3657a0a99fcbb2fe0d9ddf44b5371931d18dd7ebb7fc9f0f0b3acbdbaeffbc2
[INFO] running `Command { std: "docker" "start" "-a" "b3657a0a99fcbb2fe0d9ddf44b5371931d18dd7ebb7fc9f0f0b3acbdbaeffbc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling elf v0.7.4
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling unicorn-engine v2.1.1
[INFO] [stderr]    Compiling uni_arm_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `header` and `serial_puts` are never read
[INFO] [stdout]   --> src/elf_file.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ElfFile {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     pub header: FileHeader<AnyEndian>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub serial_puts: Symbol,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfFile` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.87s
[INFO] running `Command { std: "docker" "inspect" "b3657a0a99fcbb2fe0d9ddf44b5371931d18dd7ebb7fc9f0f0b3acbdbaeffbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3657a0a99fcbb2fe0d9ddf44b5371931d18dd7ebb7fc9f0f0b3acbdbaeffbc2", kill_on_drop: false }`
[INFO] [stdout] b3657a0a99fcbb2fe0d9ddf44b5371931d18dd7ebb7fc9f0f0b3acbdbaeffbc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba2d2ef6edd10f07d87505e1d66a77054f8592e1d7d6bed65185fa38764f8a45
[INFO] running `Command { std: "docker" "start" "-a" "ba2d2ef6edd10f07d87505e1d66a77054f8592e1d7d6bed65185fa38764f8a45", kill_on_drop: false }`
[INFO] [stderr]    Compiling uni_arm_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `serial_puts` is never read
[INFO] [stdout]   --> src/elf_file.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ElfFile {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub serial_puts: Symbol,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfFile` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ba2d2ef6edd10f07d87505e1d66a77054f8592e1d7d6bed65185fa38764f8a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2d2ef6edd10f07d87505e1d66a77054f8592e1d7d6bed65185fa38764f8a45", kill_on_drop: false }`
[INFO] [stdout] ba2d2ef6edd10f07d87505e1d66a77054f8592e1d7d6bed65185fa38764f8a45