[INFO] fetching crate postform_serial 0.5.0... [INFO] checking postform_serial-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate postform_serial 0.5.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate postform_serial 0.5.0 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 postform_serial 0.5.0 [INFO] finished tweaking crates.io crate postform_serial 0.5.0 [INFO] tweaked toml for crates.io crate postform_serial 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate postform_serial 0.5.0 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 postform_decoder v0.5.0 [INFO] [stderr] Downloaded clang-sys v1.3.1 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] [stderr] Downloaded eyre v0.6.7 [INFO] [stderr] Downloaded tracing-core v0.1.23 [INFO] [stderr] Downloaded bindgen v0.57.0 [INFO] [stderr] Downloaded object v0.22.0 [INFO] [stderr] Downloaded rcobs v0.1.1 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded syn v1.0.89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 61cd36b4187c9665ff756a120601d4773d857b2c2000a7b58e48fb9a5420ad4a [INFO] running `Command { std: "docker" "start" "-a" "61cd36b4187c9665ff756a120601d4773d857b2c2000a7b58e48fb9a5420ad4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61cd36b4187c9665ff756a120601d4773d857b2c2000a7b58e48fb9a5420ad4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61cd36b4187c9665ff756a120601d4773d857b2c2000a7b58e48fb9a5420ad4a", kill_on_drop: false }` [INFO] [stdout] 61cd36b4187c9665ff756a120601d4773d857b2c2000a7b58e48fb9a5420ad4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6638f4fc5d2a4169e568a952d9231c1070a42cce9a2b4ceab81a908c7973d22b [INFO] running `Command { std: "docker" "start" "-a" "6638f4fc5d2a4169e568a952d9231c1070a42cce9a2b4ceab81a908c7973d22b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Compiling bindgen v0.57.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling clang-sys v1.3.1 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling eyre v0.6.7 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking wasmparser v0.57.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking rcobs v0.1.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking ctrlc v3.2.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Compiling postform_decoder v0.5.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking postform_serial v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serialport` is imported redundantly [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serialport::{self, FlowControl, Parity, StopBits}; [INFO] [stdout] | ^^^^ the item `serialport` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serialport` is imported redundantly [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serialport::{self, FlowControl, Parity, StopBits}; [INFO] [stdout] | ^^^^ the item `serialport` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, wasmparser v0.57.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "6638f4fc5d2a4169e568a952d9231c1070a42cce9a2b4ceab81a908c7973d22b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6638f4fc5d2a4169e568a952d9231c1070a42cce9a2b4ceab81a908c7973d22b", kill_on_drop: false }` [INFO] [stdout] 6638f4fc5d2a4169e568a952d9231c1070a42cce9a2b4ceab81a908c7973d22b [INFO] checking postform_serial-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate postform_serial 0.5.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate postform_serial 0.5.0 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 postform_serial 0.5.0 [INFO] finished tweaking crates.io crate postform_serial 0.5.0 [INFO] tweaked toml for crates.io crate postform_serial 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate postform_serial 0.5.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ab4c3001da252597c370339ec85b69bd0830fefffbc6c9a4cf0dbb52152fa3dc [INFO] running `Command { std: "docker" "start" "-a" "ab4c3001da252597c370339ec85b69bd0830fefffbc6c9a4cf0dbb52152fa3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab4c3001da252597c370339ec85b69bd0830fefffbc6c9a4cf0dbb52152fa3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab4c3001da252597c370339ec85b69bd0830fefffbc6c9a4cf0dbb52152fa3dc", kill_on_drop: false }` [INFO] [stdout] ab4c3001da252597c370339ec85b69bd0830fefffbc6c9a4cf0dbb52152fa3dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 33c47049b8942ad3c6fdb0c2a7976cb27a87366eabe6c73967eaeffa331d583d [INFO] running `Command { std: "docker" "start" "-a" "33c47049b8942ad3c6fdb0c2a7976cb27a87366eabe6c73967eaeffa331d583d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bindgen v0.57.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling clang-sys v1.3.1 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling eyre v0.6.7 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking wasmparser v0.57.0 [INFO] [stderr] Checking rcobs v0.1.1 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Checking ctrlc v3.2.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling postform_decoder v0.5.0 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking postform_serial v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serialport` is imported redundantly [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serialport::{self, FlowControl, Parity, StopBits}; [INFO] [stdout] | ^^^^ the item `serialport` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serialport` is imported redundantly [INFO] [stdout] --> src/main.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use serialport::{self, FlowControl, Parity, StopBits}; [INFO] [stdout] | ^^^^ the item `serialport` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.75s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, wasmparser v0.57.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "33c47049b8942ad3c6fdb0c2a7976cb27a87366eabe6c73967eaeffa331d583d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c47049b8942ad3c6fdb0c2a7976cb27a87366eabe6c73967eaeffa331d583d", kill_on_drop: false }` [INFO] [stdout] 33c47049b8942ad3c6fdb0c2a7976cb27a87366eabe6c73967eaeffa331d583d