[INFO] cloning repository https://github.com/motokishibata/rustcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/motokishibata/rustcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotokishibata%2Frustcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotokishibata%2Frustcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac2c42a635e1dc8ac75bc8274643c01fee1fd9cc
[INFO] testing motokishibata/rustcc against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotokishibata%2Frustcc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/motokishibata/rustcc on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/motokishibata/rustcc
[INFO] finished tweaking git repo https://github.com/motokishibata/rustcc
[INFO] tweaked toml for git repo https://github.com/motokishibata/rustcc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/motokishibata/rustcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adfee79084136e2bffdcd77c7e7c6b174458bfbfb5ee6d8584d71244777fd6ac
[INFO] running `Command { std: "docker" "start" "-a" "adfee79084136e2bffdcd77c7e7c6b174458bfbfb5ee6d8584d71244777fd6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adfee79084136e2bffdcd77c7e7c6b174458bfbfb5ee6d8584d71244777fd6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfee79084136e2bffdcd77c7e7c6b174458bfbfb5ee6d8584d71244777fd6ac", kill_on_drop: false }`
[INFO] [stdout] adfee79084136e2bffdcd77c7e7c6b174458bfbfb5ee6d8584d71244777fd6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16fe4663e06afe4289983ac2aa7718aea49e202579e13fd67b0d80f73640a880
[INFO] running `Command { std: "docker" "start" "-a" "16fe4663e06afe4289983ac2aa7718aea49e202579e13fd67b0d80f73640a880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/gen_ir.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Call(String, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARGREGS`
[INFO] [stdout]  --> src/gen_x86.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ARGREGS: [&str; 6] = ["rdi", "rsi", "rdx", "rcx", "r8", "r9"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "16fe4663e06afe4289983ac2aa7718aea49e202579e13fd67b0d80f73640a880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fe4663e06afe4289983ac2aa7718aea49e202579e13fd67b0d80f73640a880", kill_on_drop: false }`
[INFO] [stdout] 16fe4663e06afe4289983ac2aa7718aea49e202579e13fd67b0d80f73640a880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d3eb664009a44eb96428bb3ea24d5270c5b40682ffde75dfc4c20bb29677e5
[INFO] running `Command { std: "docker" "start" "-a" "a9d3eb664009a44eb96428bb3ea24d5270c5b40682ffde75dfc4c20bb29677e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/gen_ir.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Call(String, usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARGREGS`
[INFO] [stdout]  --> src/gen_x86.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ARGREGS: [&str; 6] = ["rdi", "rsi", "rdx", "rcx", "r8", "r9"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "a9d3eb664009a44eb96428bb3ea24d5270c5b40682ffde75dfc4c20bb29677e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d3eb664009a44eb96428bb3ea24d5270c5b40682ffde75dfc4c20bb29677e5", kill_on_drop: false }`
[INFO] [stdout] a9d3eb664009a44eb96428bb3ea24d5270c5b40682ffde75dfc4c20bb29677e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d767251dabb75e1ef4914be42ee3165d27bc3552f4d36eae9ec972c92de7962f
[INFO] running `Command { std: "docker" "start" "-a" "d767251dabb75e1ef4914be42ee3165d27bc3552f4d36eae9ec972c92de7962f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/gen_ir.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Call(String, usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ARGREGS`
[INFO] [stderr]  --> src/gen_x86.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const ARGREGS: [&str; 6] = ["rdi", "rsi", "rdx", "rcx", "r8", "r9"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustcc` (bin "rustcc" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustcc-1a91770a08fbc774)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustcc-c06981bd71bc91fe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustcc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d767251dabb75e1ef4914be42ee3165d27bc3552f4d36eae9ec972c92de7962f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d767251dabb75e1ef4914be42ee3165d27bc3552f4d36eae9ec972c92de7962f", kill_on_drop: false }`
[INFO] [stdout] d767251dabb75e1ef4914be42ee3165d27bc3552f4d36eae9ec972c92de7962f