[INFO] cloning repository https://github.com/Whipshout/napialpha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Whipshout/napialpha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 172a3b8aec770e381ad2b6381301259e14887985
[INFO] checking Whipshout/napialpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Whipshout/napialpha 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/Whipshout/napialpha
[INFO] finished tweaking git repo https://github.com/Whipshout/napialpha
[INFO] tweaked toml for git repo https://github.com/Whipshout/napialpha written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Whipshout/napialpha 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 napi v2.0.0-alpha.4
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded napi-sys v1.1.2
[INFO] [stderr]   Downloaded napi-derive-backend v1.0.7
[INFO] [stderr]   Downloaded napi-derive v2.0.0-alpha.6
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.27.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.27.0
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded windows-sys v0.27.0
[INFO] [stderr]   Downloaded napi-build v1.1.1
[INFO] [stderr]   Downloaded windows v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f7cf4e3f38a7d6ef35d8b1b58ab2bf4629e1dc0c9499ef24eb567b63f739c936
[INFO] running `Command { std: "docker" "start" "-a" "f7cf4e3f38a7d6ef35d8b1b58ab2bf4629e1dc0c9499ef24eb567b63f739c936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cf4e3f38a7d6ef35d8b1b58ab2bf4629e1dc0c9499ef24eb567b63f739c936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cf4e3f38a7d6ef35d8b1b58ab2bf4629e1dc0c9499ef24eb567b63f739c936", kill_on_drop: false }`
[INFO] [stdout] f7cf4e3f38a7d6ef35d8b1b58ab2bf4629e1dc0c9499ef24eb567b63f739c936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f1815311073803ccda217c422e500f3ba7d361c6967f6873e299f1062a0b09d0
[INFO] running `Command { std: "docker" "start" "-a" "f1815311073803ccda217c422e500f3ba7d361c6967f6873e299f1062a0b09d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling napi-build v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking napi-sys v1.1.2
[INFO] [stderr]    Compiling alpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling napi-derive-backend v1.0.7
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling napi-derive v2.0.0-alpha.6
[INFO] [stderr]     Checking napi v2.0.0-alpha.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.36s
[INFO] running `Command { std: "docker" "inspect" "f1815311073803ccda217c422e500f3ba7d361c6967f6873e299f1062a0b09d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1815311073803ccda217c422e500f3ba7d361c6967f6873e299f1062a0b09d0", kill_on_drop: false }`
[INFO] [stdout] f1815311073803ccda217c422e500f3ba7d361c6967f6873e299f1062a0b09d0
[INFO] checking Whipshout/napialpha against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhipshout%2Fnapialpha" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Whipshout/napialpha 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/Whipshout/napialpha
[INFO] finished tweaking git repo https://github.com/Whipshout/napialpha
[INFO] tweaked toml for git repo https://github.com/Whipshout/napialpha written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Whipshout/napialpha 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e859e6dd34fa2df00f1f04a009d6f3a3daa3efc3e6fbd33e12421dfef91469c8
[INFO] running `Command { std: "docker" "start" "-a" "e859e6dd34fa2df00f1f04a009d6f3a3daa3efc3e6fbd33e12421dfef91469c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e859e6dd34fa2df00f1f04a009d6f3a3daa3efc3e6fbd33e12421dfef91469c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e859e6dd34fa2df00f1f04a009d6f3a3daa3efc3e6fbd33e12421dfef91469c8", kill_on_drop: false }`
[INFO] [stdout] e859e6dd34fa2df00f1f04a009d6f3a3daa3efc3e6fbd33e12421dfef91469c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ef678ff310fc8ea7dc35e7a4e43772e2a4c4009ac0ee211eac661f4c5fb0fd6a
[INFO] running `Command { std: "docker" "start" "-a" "ef678ff310fc8ea7dc35e7a4e43772e2a4c4009ac0ee211eac661f4c5fb0fd6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling napi-build v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking napi-sys v1.1.2
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling alpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling napi-derive-backend v1.0.7
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling napi-derive v2.0.0-alpha.6
[INFO] [stderr]     Checking napi v2.0.0-alpha.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "ef678ff310fc8ea7dc35e7a4e43772e2a4c4009ac0ee211eac661f4c5fb0fd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef678ff310fc8ea7dc35e7a4e43772e2a4c4009ac0ee211eac661f4c5fb0fd6a", kill_on_drop: false }`
[INFO] [stdout] ef678ff310fc8ea7dc35e7a4e43772e2a4c4009ac0ee211eac661f4c5fb0fd6a