[INFO] fetching crate simple_modbus 0.1.1... [INFO] checking simple_modbus-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate simple_modbus 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate simple_modbus 0.1.1 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 simple_modbus 0.1.1 [INFO] finished tweaking crates.io crate simple_modbus 0.1.1 [INFO] tweaked toml for crates.io crate simple_modbus 0.1.1 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 38 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding env_logger v0.9.3 (latest: v0.11.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding nix v0.26.4 (latest: v0.28.0) [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 serialport v4.3.0 [INFO] [stderr] Downloaded unescaper v0.1.4 [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] 57223c695afa1e5419196a92c8dfb20b1fc8c2a0189fd8ad15ac12255aebbe3d [INFO] running `Command { std: "docker" "start" "-a" "57223c695afa1e5419196a92c8dfb20b1fc8c2a0189fd8ad15ac12255aebbe3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57223c695afa1e5419196a92c8dfb20b1fc8c2a0189fd8ad15ac12255aebbe3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57223c695afa1e5419196a92c8dfb20b1fc8c2a0189fd8ad15ac12255aebbe3d", kill_on_drop: false }` [INFO] [stdout] 57223c695afa1e5419196a92c8dfb20b1fc8c2a0189fd8ad15ac12255aebbe3d [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] 6310fd826a0027edeb2cde43b7bca163d017eac0f1d2da020cff6eb5778c64e5 [INFO] running `Command { std: "docker" "start" "-a" "6310fd826a0027edeb2cde43b7bca163d017eac0f1d2da020cff6eb5778c64e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking unescaper v0.1.4 [INFO] [stderr] Checking serialport v4.3.0 [INFO] [stderr] Checking simple_modbus v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/lib.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.10.4 [INFO] [stdout] warning: method `code` is never used [INFO] [stdout] --> src/lib.rs:314:8 [INFO] [stdout] | [INFO] [stdout] 313 | impl Coil { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 314 | fn code(self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/lib.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `code` is never used [INFO] [stdout] --> src/lib.rs:314:8 [INFO] [stdout] | [INFO] [stdout] 313 | impl Coil { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 314 | fn code(self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s [INFO] running `Command { std: "docker" "inspect" "6310fd826a0027edeb2cde43b7bca163d017eac0f1d2da020cff6eb5778c64e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6310fd826a0027edeb2cde43b7bca163d017eac0f1d2da020cff6eb5778c64e5", kill_on_drop: false }` [INFO] [stdout] 6310fd826a0027edeb2cde43b7bca163d017eac0f1d2da020cff6eb5778c64e5 [INFO] checking simple_modbus-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate simple_modbus 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate simple_modbus 0.1.1 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 simple_modbus 0.1.1 [INFO] finished tweaking crates.io crate simple_modbus 0.1.1 [INFO] tweaked toml for crates.io crate simple_modbus 0.1.1 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] 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] 0ab20727e29ad9958ce09ab8da31a78c59b748b9468d9a8741359faa8746991d [INFO] running `Command { std: "docker" "start" "-a" "0ab20727e29ad9958ce09ab8da31a78c59b748b9468d9a8741359faa8746991d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ab20727e29ad9958ce09ab8da31a78c59b748b9468d9a8741359faa8746991d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ab20727e29ad9958ce09ab8da31a78c59b748b9468d9a8741359faa8746991d", kill_on_drop: false }` [INFO] [stdout] 0ab20727e29ad9958ce09ab8da31a78c59b748b9468d9a8741359faa8746991d [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] 5f0b39cea06723b25ee3596aa522295de386981a140d937370c0b9ef09e6669c [INFO] running `Command { std: "docker" "start" "-a" "5f0b39cea06723b25ee3596aa522295de386981a140d937370c0b9ef09e6669c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking unescaper v0.1.4 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serialport v4.3.0 [INFO] [stderr] Checking simple_modbus v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/lib.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stdout] warning: method `code` is never used [INFO] [stdout] --> src/lib.rs:314:8 [INFO] [stdout] | [INFO] [stdout] 313 | impl Coil { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 314 | fn code(self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/lib.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `code` is never used [INFO] [stdout] --> src/lib.rs:314:8 [INFO] [stdout] | [INFO] [stdout] 313 | impl Coil { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 314 | fn code(self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.96s [INFO] running `Command { std: "docker" "inspect" "5f0b39cea06723b25ee3596aa522295de386981a140d937370c0b9ef09e6669c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f0b39cea06723b25ee3596aa522295de386981a140d937370c0b9ef09e6669c", kill_on_drop: false }` [INFO] [stdout] 5f0b39cea06723b25ee3596aa522295de386981a140d937370c0b9ef09e6669c