[INFO] fetching crate nftables 0.2.4...
[INFO] checking nftables-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate nftables 0.2.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nftables 0.2.4 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 nftables 0.2.4
[INFO] finished tweaking crates.io crate nftables 0.2.4
[INFO] tweaked toml for crates.io crate nftables 0.2.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate nftables 0.2.4 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]     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-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] 38d8a4965de583c805f1a8f8520f88a6c0dffba58c7823a158d6607e23d7f437
[INFO] running `Command { std: "docker" "start" "-a" "38d8a4965de583c805f1a8f8520f88a6c0dffba58c7823a158d6607e23d7f437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d8a4965de583c805f1a8f8520f88a6c0dffba58c7823a158d6607e23d7f437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d8a4965de583c805f1a8f8520f88a6c0dffba58c7823a158d6607e23d7f437", kill_on_drop: false }`
[INFO] [stdout] 38d8a4965de583c805f1a8f8520f88a6c0dffba58c7823a158d6607e23d7f437
[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] ac68e3dc0f6dfae757b3028a028f444a14bbdfd8380efdcbd5f45dd970cc1eea
[INFO] running `Command { std: "docker" "start" "-a" "ac68e3dc0f6dfae757b3028a028f444a14bbdfd8380efdcbd5f45dd970cc1eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking nftables v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.10s
[INFO] running `Command { std: "docker" "inspect" "ac68e3dc0f6dfae757b3028a028f444a14bbdfd8380efdcbd5f45dd970cc1eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac68e3dc0f6dfae757b3028a028f444a14bbdfd8380efdcbd5f45dd970cc1eea", kill_on_drop: false }`
[INFO] [stdout] ac68e3dc0f6dfae757b3028a028f444a14bbdfd8380efdcbd5f45dd970cc1eea
[INFO] checking nftables-0.2.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate nftables 0.2.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate nftables 0.2.4 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 nftables 0.2.4
[INFO] finished tweaking crates.io crate nftables 0.2.4
[INFO] tweaked toml for crates.io crate nftables 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate nftables 0.2.4 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-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] 7258365dd3c867fd8537932ab8687b6fd015d1d0cadee1d17e0fa91a64d89be5
[INFO] running `Command { std: "docker" "start" "-a" "7258365dd3c867fd8537932ab8687b6fd015d1d0cadee1d17e0fa91a64d89be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7258365dd3c867fd8537932ab8687b6fd015d1d0cadee1d17e0fa91a64d89be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7258365dd3c867fd8537932ab8687b6fd015d1d0cadee1d17e0fa91a64d89be5", kill_on_drop: false }`
[INFO] [stdout] 7258365dd3c867fd8537932ab8687b6fd015d1d0cadee1d17e0fa91a64d89be5
[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] 6de45c7c593801e9e61717f6e8dafec482f25a678df1dae3738d53a83dbd8764
[INFO] running `Command { std: "docker" "start" "-a" "6de45c7c593801e9e61717f6e8dafec482f25a678df1dae3738d53a83dbd8764", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking nftables v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "6de45c7c593801e9e61717f6e8dafec482f25a678df1dae3738d53a83dbd8764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de45c7c593801e9e61717f6e8dafec482f25a678df1dae3738d53a83dbd8764", kill_on_drop: false }`
[INFO] [stdout] 6de45c7c593801e9e61717f6e8dafec482f25a678df1dae3738d53a83dbd8764