[INFO] fetching crate z-serial 0.2.1... [INFO] checking z-serial-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate z-serial 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate z-serial 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate z-serial 0.2.1 [INFO] finished tweaking crates.io crate z-serial 0.2.1 [INFO] tweaked toml for crates.io crate z-serial 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate z-serial 0.2.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-serial v5.4.3 [INFO] [stderr] Downloaded mio-serial v5.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 048d60dc5c3098e2ed2d5e8aa394c8cf1ef542a0c463823ab0388cf20888bfab [INFO] running `Command { std: "docker" "start" "-a" "048d60dc5c3098e2ed2d5e8aa394c8cf1ef542a0c463823ab0388cf20888bfab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "048d60dc5c3098e2ed2d5e8aa394c8cf1ef542a0c463823ab0388cf20888bfab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048d60dc5c3098e2ed2d5e8aa394c8cf1ef542a0c463823ab0388cf20888bfab", kill_on_drop: false }` [INFO] [stdout] 048d60dc5c3098e2ed2d5e8aa394c8cf1ef542a0c463823ab0388cf20888bfab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4227bd34c5e59bbdf51bfbabf6fa0502d59cc5fc74dbe6c08c6baa4dff62dfc4 [INFO] running `Command { std: "docker" "start" "-a" "4227bd34c5e59bbdf51bfbabf6fa0502d59cc5fc74dbe6c08c6baa4dff62dfc4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking cobs v0.2.3 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking serialport v4.1.0 [INFO] [stderr] Checking mio-serial v5.0.2 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-serial v5.4.3 [INFO] [stderr] Checking z-serial v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s [INFO] running `Command { std: "docker" "inspect" "4227bd34c5e59bbdf51bfbabf6fa0502d59cc5fc74dbe6c08c6baa4dff62dfc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4227bd34c5e59bbdf51bfbabf6fa0502d59cc5fc74dbe6c08c6baa4dff62dfc4", kill_on_drop: false }` [INFO] [stdout] 4227bd34c5e59bbdf51bfbabf6fa0502d59cc5fc74dbe6c08c6baa4dff62dfc4