[INFO] cloning repository https://github.com/isra17/unicorn-gdbserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isra17/unicorn-gdbserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisra17%2Funicorn-gdbserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisra17%2Funicorn-gdbserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84e88e38f1163dbe63f44e7c016e0ce4bdaa9aba
[INFO] checking isra17/unicorn-gdbserver against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisra17%2Funicorn-gdbserver" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isra17/unicorn-gdbserver on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isra17/unicorn-gdbserver
[INFO] finished tweaking git repo https://github.com/isra17/unicorn-gdbserver
[INFO] tweaked toml for git repo https://github.com/isra17/unicorn-gdbserver written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/isra17/unicorn-gdbserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded build-helper v0.1.1
[INFO] [stderr]   Downloaded os_type v0.6.0
[INFO] [stderr]   Downloaded unicorn v0.7.0
[INFO] [stderr]   Downloaded libunicorn-sys v0.7.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caf559989d7ecd9f7a8cd9d7a482694779efcf608c46c1d4ba14676e6ccffb8c
[INFO] running `Command { std: "docker" "start" "-a" "caf559989d7ecd9f7a8cd9d7a482694779efcf608c46c1d4ba14676e6ccffb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caf559989d7ecd9f7a8cd9d7a482694779efcf608c46c1d4ba14676e6ccffb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf559989d7ecd9f7a8cd9d7a482694779efcf608c46c1d4ba14676e6ccffb8c", kill_on_drop: false }`
[INFO] [stdout] caf559989d7ecd9f7a8cd9d7a482694779efcf608c46c1d4ba14676e6ccffb8c
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab3cfccbb40e881b5adb87f89c61d9a2fc0181d7af253316a532b09f0fe8e23
[INFO] running `Command { std: "docker" "start" "-a" "cab3cfccbb40e881b5adb87f89c61d9a2fc0181d7af253316a532b09f0fe8e23", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling os_type v0.6.0
[INFO] [stderr]    Compiling libunicorn-sys v0.7.0
[INFO] [stderr]     Checking unicorn v0.7.0
[INFO] [stderr]     Checking unicorn-gdbserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "cab3cfccbb40e881b5adb87f89c61d9a2fc0181d7af253316a532b09f0fe8e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab3cfccbb40e881b5adb87f89c61d9a2fc0181d7af253316a532b09f0fe8e23", kill_on_drop: false }`
[INFO] [stdout] cab3cfccbb40e881b5adb87f89c61d9a2fc0181d7af253316a532b09f0fe8e23