[INFO] cloning repository https://github.com/svmnotn/serial-logger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svmnotn/serial-logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmnotn%2Fserial-logger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmnotn%2Fserial-logger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a3dfc0f367874a0267883016feefb4a72e2a6ad [INFO] checking svmnotn/serial-logger against master#52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmnotn%2Fserial-logger" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/svmnotn/serial-logger on toolchain 52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/svmnotn/serial-logger [INFO] finished tweaking git repo https://github.com/svmnotn/serial-logger [INFO] tweaked toml for git repo https://github.com/svmnotn/serial-logger written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/svmnotn/serial-logger 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" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking svmnotn/serial-logger against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmnotn%2Fserial-logger" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/svmnotn/serial-logger on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/svmnotn/serial-logger [INFO] finished tweaking git repo https://github.com/svmnotn/serial-logger [INFO] tweaked toml for git repo https://github.com/svmnotn/serial-logger written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/svmnotn/serial-logger 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" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--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] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking svmnotn/serial-logger against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmnotn%2Fserial-logger" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/svmnotn/serial-logger on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/svmnotn/serial-logger [INFO] finished tweaking git repo https://github.com/svmnotn/serial-logger [INFO] tweaked toml for git repo https://github.com/svmnotn/serial-logger written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/svmnotn/serial-logger 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" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lexopt v0.3.0 [INFO] [stderr] Downloaded libudev v0.3.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.55 [INFO] [stderr] Downloaded unescaper v0.1.5 [INFO] [stderr] Downloaded serialport v4.4.0 [INFO] [stderr] Downloaded thiserror v1.0.55 [INFO] [stderr] Downloaded regex v1.9.6 [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f26e0ddbf7e840e1c84ad5bd2c8bdc4234578c25c49f3a42def3d97237fee62d [INFO] running `Command { std: "docker" "start" "-a" "f26e0ddbf7e840e1c84ad5bd2c8bdc4234578c25c49f3a42def3d97237fee62d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f26e0ddbf7e840e1c84ad5bd2c8bdc4234578c25c49f3a42def3d97237fee62d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f26e0ddbf7e840e1c84ad5bd2c8bdc4234578c25c49f3a42def3d97237fee62d", kill_on_drop: false }` [INFO] [stdout] f26e0ddbf7e840e1c84ad5bd2c8bdc4234578c25c49f3a42def3d97237fee62d [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca678fdc389d1c516b62f2a494ae563728e91175a7079fb77f4692c7691336f7 [INFO] running `Command { std: "docker" "start" "-a" "ca678fdc389d1c516b62f2a494ae563728e91175a7079fb77f4692c7691336f7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling thiserror v1.0.55 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking lexopt v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.55 [INFO] [stderr] Checking unescaper v0.1.5 [INFO] [stderr] Checking serialport v4.4.0 [INFO] [stderr] Checking serial-logger v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `flow_control`, `data_bits`, `parity`, and `stop_bits` are never read [INFO] [stdout] --> src/args.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | pub flow_control: FlowControl, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 35 | /// How many data bits [INFO] [stdout] 36 | pub data_bits: DataBits, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 37 | /// Parity checking modes [INFO] [stdout] 38 | pub parity: Parity, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 39 | /// Number of Stop Bits [INFO] [stdout] 40 | pub stop_bits: StopBits, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | Io(IoError), [INFO] [stdout] | -- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | Serial(SerialError), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | Serial(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToParseArguments(ArgsError), [INFO] [stdout] | ---------------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToParseArguments(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | SendError(SendError), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | SendError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `flow_control`, `data_bits`, `parity`, and `stop_bits` are never read [INFO] [stdout] --> src/args.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | pub flow_control: FlowControl, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 35 | /// How many data bits [INFO] [stdout] 36 | pub data_bits: DataBits, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 37 | /// Parity checking modes [INFO] [stdout] 38 | pub parity: Parity, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 39 | /// Number of Stop Bits [INFO] [stdout] 40 | pub stop_bits: StopBits, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | Io(IoError), [INFO] [stdout] | -- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | Serial(SerialError), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | Serial(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToParseArguments(ArgsError), [INFO] [stdout] | ---------------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToParseArguments(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | SendError(SendError), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | SendError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "ca678fdc389d1c516b62f2a494ae563728e91175a7079fb77f4692c7691336f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca678fdc389d1c516b62f2a494ae563728e91175a7079fb77f4692c7691336f7", kill_on_drop: false }` [INFO] [stdout] ca678fdc389d1c516b62f2a494ae563728e91175a7079fb77f4692c7691336f7