[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] checking tigger1005/uni_arm_sim/e34cc7a6e8b8ebcdde3678a48bc1e77f6c38034b against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigger1005%2Funi_arm_sim" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigger1005/uni_arm_sim on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicorn-engine v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a1320ad76ead845e4d229d719ce948c3cee6c989c289c4affc201fa65785dd0
[INFO] running `Command { std: "docker" "start" "-a" "5a1320ad76ead845e4d229d719ce948c3cee6c989c289c4affc201fa65785dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1320ad76ead845e4d229d719ce948c3cee6c989c289c4affc201fa65785dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1320ad76ead845e4d229d719ce948c3cee6c989c289c4affc201fa65785dd0", kill_on_drop: false }`
[INFO] [stdout] 5a1320ad76ead845e4d229d719ce948c3cee6c989c289c4affc201fa65785dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3ee0111bb7f7f3478f061b1870b1d286a69ecb9ea1ceab7302afff435ae332
[INFO] running `Command { std: "docker" "start" "-a" "dc3ee0111bb7f7f3478f061b1870b1d286a69ecb9ea1ceab7302afff435ae332", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking elf v0.7.4
[INFO] [stderr]    Compiling cc v1.2.7
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling unicorn-engine v2.1.1
[INFO] [stderr]     Checking 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] [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 `dev` profile [unoptimized + debuginfo] target(s) in 3m 45s
[INFO] running `Command { std: "docker" "inspect" "dc3ee0111bb7f7f3478f061b1870b1d286a69ecb9ea1ceab7302afff435ae332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3ee0111bb7f7f3478f061b1870b1d286a69ecb9ea1ceab7302afff435ae332", kill_on_drop: false }`
[INFO] [stdout] dc3ee0111bb7f7f3478f061b1870b1d286a69ecb9ea1ceab7302afff435ae332