[INFO] fetching crate kkcloud-engine 0.1.0...
[INFO] checking kkcloud-engine-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kkcloud-engine 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kkcloud-engine 0.1.0 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 crates.io crate kkcloud-engine 0.1.0
[INFO] finished tweaking crates.io crate kkcloud-engine 0.1.0
[INFO] tweaked toml for crates.io crate kkcloud-engine 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages
[INFO] [stderr]       Adding ruc v0.4.1 (latest: v5.1.4)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding sha1 v0.6.1 (latest: v0.10.6)
[INFO] [stderr]       Adding standback v0.2.17 (latest: v0.4.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.2.27 (latest: v0.3.34)
[INFO] [stderr]       Adding time-macros v0.1.1 (latest: v0.2.17)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ruc v0.4.1
[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] f02ae555c5fcd7f3280d735e270a95c74687b781830c5c7b89cf4fc5dabf5add
[INFO] running `Command { std: "docker" "start" "-a" "f02ae555c5fcd7f3280d735e270a95c74687b781830c5c7b89cf4fc5dabf5add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02ae555c5fcd7f3280d735e270a95c74687b781830c5c7b89cf4fc5dabf5add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02ae555c5fcd7f3280d735e270a95c74687b781830c5c7b89cf4fc5dabf5add", kill_on_drop: false }`
[INFO] [stdout] f02ae555c5fcd7f3280d735e270a95c74687b781830c5c7b89cf4fc5dabf5add
[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] f495ca4412f6584d223dd5358600a33d3498fd20a0960c2bac2dcf1d15fdaff8
[INFO] running `Command { std: "docker" "start" "-a" "f495ca4412f6584d223dd5358600a33d3498fd20a0960c2bac2dcf1d15fdaff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking ruc v0.4.1
[INFO] [stderr]     Checking kkcloud-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `Command { std: "docker" "inspect" "f495ca4412f6584d223dd5358600a33d3498fd20a0960c2bac2dcf1d15fdaff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f495ca4412f6584d223dd5358600a33d3498fd20a0960c2bac2dcf1d15fdaff8", kill_on_drop: false }`
[INFO] [stdout] f495ca4412f6584d223dd5358600a33d3498fd20a0960c2bac2dcf1d15fdaff8
[INFO] checking kkcloud-engine-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kkcloud-engine 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kkcloud-engine 0.1.0 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 crates.io crate kkcloud-engine 0.1.0
[INFO] finished tweaking crates.io crate kkcloud-engine 0.1.0
[INFO] tweaked toml for crates.io crate kkcloud-engine 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 9ab26ad632e63e19ef27b417fe05621a19f83d416dc94279d96c09ad9ff71f3b
[INFO] running `Command { std: "docker" "start" "-a" "9ab26ad632e63e19ef27b417fe05621a19f83d416dc94279d96c09ad9ff71f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab26ad632e63e19ef27b417fe05621a19f83d416dc94279d96c09ad9ff71f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab26ad632e63e19ef27b417fe05621a19f83d416dc94279d96c09ad9ff71f3b", kill_on_drop: false }`
[INFO] [stdout] 9ab26ad632e63e19ef27b417fe05621a19f83d416dc94279d96c09ad9ff71f3b
[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] 0c4a641fa7c9c12eb7b14720947a347e14ab5696af347f178bb28711a7418967
[INFO] running `Command { std: "docker" "start" "-a" "0c4a641fa7c9c12eb7b14720947a347e14ab5696af347f178bb28711a7418967", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking ruc v0.4.1
[INFO] [stderr]     Checking kkcloud-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "0c4a641fa7c9c12eb7b14720947a347e14ab5696af347f178bb28711a7418967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4a641fa7c9c12eb7b14720947a347e14ab5696af347f178bb28711a7418967", kill_on_drop: false }`
[INFO] [stdout] 0c4a641fa7c9c12eb7b14720947a347e14ab5696af347f178bb28711a7418967