[INFO] fetching crate syrup 0.2.0...
[INFO] checking syrup-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate syrup 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate syrup 0.2.0 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 syrup 0.2.0
[INFO] finished tweaking crates.io crate syrup 0.2.0
[INFO] tweaked toml for crates.io crate syrup 0.2.0 written to /workspace/builds/worker-2-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 14 packages
[INFO] [stderr]       Adding ncurses v5.101.0 (latest: v6.0.0)
[INFO] [stderr]       Adding pancurses v0.16.1 (latest: v0.17.0)
[INFO] [stderr]       Adding textwrap v0.10.0 (latest: v0.16.1)
[INFO] [stderr]       Adding winreg v0.5.1 (latest: v0.52.0)
[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 pancurses v0.16.1
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[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] 0695476b6ba64330fad031cc6625647d6bf4205940f1785a7648dbbd47376029
[INFO] running `Command { std: "docker" "start" "-a" "0695476b6ba64330fad031cc6625647d6bf4205940f1785a7648dbbd47376029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0695476b6ba64330fad031cc6625647d6bf4205940f1785a7648dbbd47376029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0695476b6ba64330fad031cc6625647d6bf4205940f1785a7648dbbd47376029", kill_on_drop: false }`
[INFO] [stdout] 0695476b6ba64330fad031cc6625647d6bf4205940f1785a7648dbbd47376029
[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] d340d77461ba3e5029527d3dd43b581877c7020b28060ad95f479e1310715507
[INFO] running `Command { std: "docker" "start" "-a" "d340d77461ba3e5029527d3dd43b581877c7020b28060ad95f479e1310715507", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking syrup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "d340d77461ba3e5029527d3dd43b581877c7020b28060ad95f479e1310715507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d340d77461ba3e5029527d3dd43b581877c7020b28060ad95f479e1310715507", kill_on_drop: false }`
[INFO] [stdout] d340d77461ba3e5029527d3dd43b581877c7020b28060ad95f479e1310715507
[INFO] checking syrup-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate syrup 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate syrup 0.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syrup 0.2.0
[INFO] finished tweaking crates.io crate syrup 0.2.0
[INFO] tweaked toml for crates.io crate syrup 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding ncurses v5.101.0 (latest: v6.0.0)
[INFO] [stderr]       Adding pancurses v0.16.1 (latest: v0.17.0)
[INFO] [stderr]       Adding textwrap v0.10.0 (latest: v0.16.1)
[INFO] [stderr]       Adding winreg v0.5.1 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b68863f688c5c98f9f7cf9d8c65217b875e360990ef52ea57bcc37419616c80f
[INFO] running `Command { std: "docker" "start" "-a" "b68863f688c5c98f9f7cf9d8c65217b875e360990ef52ea57bcc37419616c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68863f688c5c98f9f7cf9d8c65217b875e360990ef52ea57bcc37419616c80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68863f688c5c98f9f7cf9d8c65217b875e360990ef52ea57bcc37419616c80f", kill_on_drop: false }`
[INFO] [stdout] b68863f688c5c98f9f7cf9d8c65217b875e360990ef52ea57bcc37419616c80f
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608dd3fa44dd5e7e130a0605c1394c5b8d7d7ea2ef948c5352265411a7385800
[INFO] running `Command { std: "docker" "start" "-a" "608dd3fa44dd5e7e130a0605c1394c5b8d7d7ea2ef948c5352265411a7385800", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking syrup v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "608dd3fa44dd5e7e130a0605c1394c5b8d7d7ea2ef948c5352265411a7385800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608dd3fa44dd5e7e130a0605c1394c5b8d7d7ea2ef948c5352265411a7385800", kill_on_drop: false }`
[INFO] [stdout] 608dd3fa44dd5e7e130a0605c1394c5b8d7d7ea2ef948c5352265411a7385800