[INFO] cloning repository https://github.com/Hiptic/c-ares-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hiptic/c-ares-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 903b8a5c5e75395942a8dd1db9ea6267aec7a890
[INFO] checking Hiptic/c-ares-experiment against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment" "/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/Hiptic/c-ares-experiment 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/Hiptic/c-ares-experiment
[INFO] finished tweaking git repo https://github.com/Hiptic/c-ares-experiment
[INFO] tweaked toml for git repo https://github.com/Hiptic/c-ares-experiment written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hiptic/c-ares-experiment 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 futures v0.1.11
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded c-types v1.1.1
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded c-ares-resolver v0.4.2
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded c-ares-sys v1.0.2
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded c-ares v1.1.2
[INFO] [stderr]   Downloaded net2 v0.2.27
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded bytes v0.4.1
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded tokio-core v0.1.6
[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] ef066dc66a4c004a7b6a44a26e277acafc9f8226655be1d6b876f25ca996617e
[INFO] running `Command { std: "docker" "start" "-a" "ef066dc66a4c004a7b6a44a26e277acafc9f8226655be1d6b876f25ca996617e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef066dc66a4c004a7b6a44a26e277acafc9f8226655be1d6b876f25ca996617e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef066dc66a4c004a7b6a44a26e277acafc9f8226655be1d6b876f25ca996617e", kill_on_drop: false }`
[INFO] [stdout] ef066dc66a4c004a7b6a44a26e277acafc9f8226655be1d6b876f25ca996617e
[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] 4e0d9f200f32e71bf50e99cc02f9801d582dcd9218fd9690ecb104f0470d036e
[INFO] running `Command { std: "docker" "start" "-a" "4e0d9f200f32e71bf50e99cc02f9801d582dcd9218fd9690ecb104f0470d036e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking c-types v1.1.1
[INFO] [stderr]     Checking bytes v0.4.1
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]    Compiling c-ares-sys v1.0.2
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking c-ares v1.1.2
[INFO] [stderr]     Checking c-ares-resolver v0.4.2
[INFO] [stderr]     Checking c-ares-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "4e0d9f200f32e71bf50e99cc02f9801d582dcd9218fd9690ecb104f0470d036e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0d9f200f32e71bf50e99cc02f9801d582dcd9218fd9690ecb104f0470d036e", kill_on_drop: false }`
[INFO] [stdout] 4e0d9f200f32e71bf50e99cc02f9801d582dcd9218fd9690ecb104f0470d036e
[INFO] checking Hiptic/c-ares-experiment against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hiptic/c-ares-experiment 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/Hiptic/c-ares-experiment
[INFO] finished tweaking git repo https://github.com/Hiptic/c-ares-experiment
[INFO] tweaked toml for git repo https://github.com/Hiptic/c-ares-experiment written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Hiptic/c-ares-experiment 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1effed269732103e5324ebe1d4026752bbef2d1bb682f43872a8f3a06c57f3a
[INFO] running `Command { std: "docker" "start" "-a" "a1effed269732103e5324ebe1d4026752bbef2d1bb682f43872a8f3a06c57f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1effed269732103e5324ebe1d4026752bbef2d1bb682f43872a8f3a06c57f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1effed269732103e5324ebe1d4026752bbef2d1bb682f43872a8f3a06c57f3a", kill_on_drop: false }`
[INFO] [stdout] a1effed269732103e5324ebe1d4026752bbef2d1bb682f43872a8f3a06c57f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 05115592911beca5147a70f5bb20b1fa8bd3a4d677ecd17e9e21e234653cc98d
[INFO] running `Command { std: "docker" "start" "-a" "05115592911beca5147a70f5bb20b1fa8bd3a4d677ecd17e9e21e234653cc98d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking c-types v1.1.1
[INFO] [stderr]     Checking bytes v0.4.1
[INFO] [stderr]    Compiling c-ares-sys v1.0.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking c-ares v1.1.2
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking c-ares-resolver v0.4.2
[INFO] [stderr]     Checking c-ares-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "05115592911beca5147a70f5bb20b1fa8bd3a4d677ecd17e9e21e234653cc98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05115592911beca5147a70f5bb20b1fa8bd3a4d677ecd17e9e21e234653cc98d", kill_on_drop: false }`
[INFO] [stdout] 05115592911beca5147a70f5bb20b1fa8bd3a4d677ecd17e9e21e234653cc98d