[INFO] cloning repository https://github.com/qpalzmqaz123/xlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qpalzmqaz123/xlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpalzmqaz123%2Fxlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpalzmqaz123%2Fxlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2f4c3220530853d070344d567833c5e18ade4de
[INFO] checking qpalzmqaz123/xlang against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpalzmqaz123%2Fxlang" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qpalzmqaz123/xlang 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/qpalzmqaz123/xlang
[INFO] finished tweaking git repo https://github.com/qpalzmqaz123/xlang
[INFO] tweaked toml for git repo https://github.com/qpalzmqaz123/xlang written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qpalzmqaz123/xlang 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 git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]      Locking 2 packages
[INFO] [stderr]       Adding inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]       Adding inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v0.4.1
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded llvm-sys v37.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5cfb1e9d978fde39de07274d4cbe352239a4c4279aa7b48079199ecb7f125a21
[INFO] running `Command { std: "docker" "start" "-a" "5cfb1e9d978fde39de07274d4cbe352239a4c4279aa7b48079199ecb7f125a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cfb1e9d978fde39de07274d4cbe352239a4c4279aa7b48079199ecb7f125a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfb1e9d978fde39de07274d4cbe352239a4c4279aa7b48079199ecb7f125a21", kill_on_drop: false }`
[INFO] [stdout] 5cfb1e9d978fde39de07274d4cbe352239a4c4279aa7b48079199ecb7f125a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7f711fbf9b682d828c8ebb20a437c6e6894905281c541aacb2b20690422cdf70
[INFO] running `Command { std: "docker" "start" "-a" "7f711fbf9b682d828c8ebb20a437c6e6894905281c541aacb2b20690422cdf70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]    Compiling llvm-sys v37.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking xlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "7f711fbf9b682d828c8ebb20a437c6e6894905281c541aacb2b20690422cdf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f711fbf9b682d828c8ebb20a437c6e6894905281c541aacb2b20690422cdf70", kill_on_drop: false }`
[INFO] [stdout] 7f711fbf9b682d828c8ebb20a437c6e6894905281c541aacb2b20690422cdf70
[INFO] checking qpalzmqaz123/xlang against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpalzmqaz123%2Fxlang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qpalzmqaz123/xlang 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/qpalzmqaz123/xlang
[INFO] finished tweaking git repo https://github.com/qpalzmqaz123/xlang
[INFO] tweaked toml for git repo https://github.com/qpalzmqaz123/xlang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/qpalzmqaz123/xlang 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] [stderr]     Updating git repository `https://github.com/TheDan64/inkwell`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cb1b498129564587f4165a3f14a7fd7e90a73b1b2c3fda09ffc15e10931e311
[INFO] running `Command { std: "docker" "start" "-a" "7cb1b498129564587f4165a3f14a7fd7e90a73b1b2c3fda09ffc15e10931e311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb1b498129564587f4165a3f14a7fd7e90a73b1b2c3fda09ffc15e10931e311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb1b498129564587f4165a3f14a7fd7e90a73b1b2c3fda09ffc15e10931e311", kill_on_drop: false }`
[INFO] [stdout] 7cb1b498129564587f4165a3f14a7fd7e90a73b1b2c3fda09ffc15e10931e311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 904422c3466a87590e7dc086fc3e8d472154549b9dfbca6c9c86acb2a4c8472e
[INFO] running `Command { std: "docker" "start" "-a" "904422c3466a87590e7dc086fc3e8d472154549b9dfbca6c9c86acb2a4c8472e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling quote v1.0.17
[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]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]    Compiling llvm-sys v37.3.0
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?rev=25b9fc5870370211504e874e7c81dc53573bca79#25b9fc58)
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking xlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "904422c3466a87590e7dc086fc3e8d472154549b9dfbca6c9c86acb2a4c8472e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904422c3466a87590e7dc086fc3e8d472154549b9dfbca6c9c86acb2a4c8472e", kill_on_drop: false }`
[INFO] [stdout] 904422c3466a87590e7dc086fc3e8d472154549b9dfbca6c9c86acb2a4c8472e