[INFO] cloning repository https://github.com/ClementNerma/RustVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClementNerma/RustVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 947f18f4a063821e865954c636f03b87ed7cf88a
[INFO] checking ClementNerma/RustVM against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM" "/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/ClementNerma/RustVM 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/ClementNerma/RustVM
[INFO] finished tweaking git repo https://github.com/ClementNerma/RustVM
[INFO] tweaked toml for git repo https://github.com/ClementNerma/RustVM written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ClementNerma/RustVM 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 vergen v3.2.0
[INFO] [stderr]   Downloaded customasm v0.13.5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c42dde186ad3e9ef649f379fe0139003518afce89e2dc2f2e150345dbe7c8e9e
[INFO] running `Command { std: "docker" "start" "-a" "c42dde186ad3e9ef649f379fe0139003518afce89e2dc2f2e150345dbe7c8e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c42dde186ad3e9ef649f379fe0139003518afce89e2dc2f2e150345dbe7c8e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42dde186ad3e9ef649f379fe0139003518afce89e2dc2f2e150345dbe7c8e9e", kill_on_drop: false }`
[INFO] [stdout] c42dde186ad3e9ef649f379fe0139003518afce89e2dc2f2e150345dbe7c8e9e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6197c0ccccf5e38ba9b23b410e7dd013a9a9884c7b6ebbbdafadc2fd29a6461f
[INFO] running `Command { std: "docker" "start" "-a" "6197c0ccccf5e38ba9b23b410e7dd013a9a9884c7b6ebbbdafadc2fd29a6461f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking lrvm v0.2.1 (/opt/rustwide/workdir/lrvm)
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.35
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling customasm v0.13.5
[INFO] [stderr]     Checking lrvm_tools v0.2.1 (/opt/rustwide/workdir/lrvm_tools)
[INFO] [stderr]     Checking lrvm_aux v0.2.1 (/opt/rustwide/workdir/lrvm_aux)
[INFO] [stderr]     Checking disassemble v0.1.0 (/opt/rustwide/workdir/examples/disassemble)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/examples/hello_world)
[INFO] [stderr]     Checking benchmark v0.1.0 (/opt/rustwide/workdir/examples/benchmark)
[INFO] [stderr]     Checking minimal v0.1.0 (/opt/rustwide/workdir/examples/minimal)
[INFO] [stderr]     Checking async_hw v0.1.0 (/opt/rustwide/workdir/examples/async_hw)
[INFO] [stderr]     Checking elapsed_time v0.1.0 (/opt/rustwide/workdir/examples/elapsed_time)
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir/examples/brainfuck)
[INFO] [stderr]     Checking hw_detect v0.1.0 (/opt/rustwide/workdir/examples/hw_detect)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `Command { std: "docker" "inspect" "6197c0ccccf5e38ba9b23b410e7dd013a9a9884c7b6ebbbdafadc2fd29a6461f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6197c0ccccf5e38ba9b23b410e7dd013a9a9884c7b6ebbbdafadc2fd29a6461f", kill_on_drop: false }`
[INFO] [stdout] 6197c0ccccf5e38ba9b23b410e7dd013a9a9884c7b6ebbbdafadc2fd29a6461f
[INFO] checking ClementNerma/RustVM against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FRustVM" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClementNerma/RustVM on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ClementNerma/RustVM
[INFO] finished tweaking git repo https://github.com/ClementNerma/RustVM
[INFO] tweaked toml for git repo https://github.com/ClementNerma/RustVM written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ClementNerma/RustVM 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9458169a848b587a3f156ba8709f4f4d099a5f819be5eeefb74ef4fd14fd26
[INFO] running `Command { std: "docker" "start" "-a" "9e9458169a848b587a3f156ba8709f4f4d099a5f819be5eeefb74ef4fd14fd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9458169a848b587a3f156ba8709f4f4d099a5f819be5eeefb74ef4fd14fd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9458169a848b587a3f156ba8709f4f4d099a5f819be5eeefb74ef4fd14fd26", kill_on_drop: false }`
[INFO] [stdout] 9e9458169a848b587a3f156ba8709f4f4d099a5f819be5eeefb74ef4fd14fd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30eae231bbc680d1c722def0e676db027322dad745c4ad3785c77099a4a83d60
[INFO] running `Command { std: "docker" "start" "-a" "30eae231bbc680d1c722def0e676db027322dad745c4ad3785c77099a4a83d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking lrvm v0.2.1 (/opt/rustwide/workdir/lrvm)
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling chrono v0.4.35
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling customasm v0.13.5
[INFO] [stderr]     Checking lrvm_tools v0.2.1 (/opt/rustwide/workdir/lrvm_tools)
[INFO] [stderr]     Checking lrvm_aux v0.2.1 (/opt/rustwide/workdir/lrvm_aux)
[INFO] [stderr]     Checking disassemble v0.1.0 (/opt/rustwide/workdir/examples/disassemble)
[INFO] [stderr]     Checking benchmark v0.1.0 (/opt/rustwide/workdir/examples/benchmark)
[INFO] [stderr]     Checking elapsed_time v0.1.0 (/opt/rustwide/workdir/examples/elapsed_time)
[INFO] [stderr]     Checking async_hw v0.1.0 (/opt/rustwide/workdir/examples/async_hw)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/examples/hello_world)
[INFO] [stderr]     Checking minimal v0.1.0 (/opt/rustwide/workdir/examples/minimal)
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir/examples/brainfuck)
[INFO] [stderr]     Checking hw_detect v0.1.0 (/opt/rustwide/workdir/examples/hw_detect)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "30eae231bbc680d1c722def0e676db027322dad745c4ad3785c77099a4a83d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30eae231bbc680d1c722def0e676db027322dad745c4ad3785c77099a4a83d60", kill_on_drop: false }`
[INFO] [stdout] 30eae231bbc680d1c722def0e676db027322dad745c4ad3785c77099a4a83d60