[INFO] crate draw_bridge 0.1.1 is already in cache
[INFO] checking draw_bridge-0.1.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate draw_bridge 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate draw_bridge 0.1.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate draw_bridge 0.1.1
[INFO] finished tweaking crates.io crate draw_bridge 0.1.1
[INFO] tweaked toml for crates.io crate draw_bridge 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate draw_bridge 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dcc326d91ab94c0afc59b5804d544b6262af03f2ae49140e4a841097f396e77d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dcc326d91ab94c0afc59b5804d544b6262af03f2ae49140e4a841097f396e77d"`
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]    Compiling draw_bridge_derive v0.1.0
[INFO] [stderr]     Checking draw_bridge v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/commands.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]   --> src/commands.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn noop() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fail`
[INFO] [stderr]   --> src/commands.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]   --> src/commands.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     InvalidCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ValidationResult`
[INFO] [stderr]   --> src/commands.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HomeMove`
[INFO] [stderr]    --> src/instructions.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     HomeMove,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QueryMotors`
[INFO] [stderr]    --> src/instructions.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     QueryMotors,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QueryPen`
[INFO] [stderr]    --> src/instructions.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     QueryPen,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QuerySteps`
[INFO] [stderr]    --> src/instructions.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     QuerySteps,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetPen`
[INFO] [stderr]    --> src/instructions.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     SetPen(PenPosition),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_to_i32`
[INFO] [stderr]    --> src/instructions.rs:218:4
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MotorStatus`
[INFO] [stderr]    --> src/instructions.rs:235:12
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub struct MotorStatus {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_client`
[INFO] [stderr]   --> src/socket.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `PRODUCT_ID`
[INFO] [stderr]  --> src/udev.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `MODEL`
[INFO] [stderr]   --> src/udev.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `describe`
[INFO] [stderr]   --> src/udev.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn describe() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_test_json`
[INFO] [stderr]    --> src/api.rs:243:8
[INFO] [stderr]     |
[INFO] [stderr] 243 |     fn build_test_json(cmd: &str, body: &str) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/commands.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]   --> src/commands.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn noop() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fail`
[INFO] [stderr]   --> src/commands.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]   --> src/commands.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     InvalidCommand,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ValidationResult`
[INFO] [stderr]   --> src/commands.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HomeMove`
[INFO] [stderr]    --> src/instructions.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     HomeMove,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QueryPen`
[INFO] [stderr]    --> src/instructions.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     QueryPen,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QuerySteps`
[INFO] [stderr]    --> src/instructions.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     QuerySteps,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetPen`
[INFO] [stderr]    --> src/instructions.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     SetPen(PenPosition),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_to_i32`
[INFO] [stderr]    --> src/instructions.rs:218:4
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MotorStatus`
[INFO] [stderr]    --> src/instructions.rs:235:12
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub struct MotorStatus {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/plotter.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         fn new() -> Self {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_read_write`
[INFO] [stderr]    --> src/plotter.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         fn new_with_read_write(read_buf: Vec<u8>, write_buf: Vec<u8>) -> Self {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_read`
[INFO] [stderr]    --> src/plotter.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         fn new_with_read(read_buf: Vec<u8>) -> Self {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_write`
[INFO] [stderr]    --> src/plotter.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         fn new_with_write(write_buf: Vec<u8>) -> Self {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_client`
[INFO] [stderr]   --> src/socket.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `PRODUCT_ID`
[INFO] [stderr]  --> src/udev.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `MODEL`
[INFO] [stderr]   --> src/udev.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `describe`
[INFO] [stderr]   --> src/udev.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn describe() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `"docker" "inspect" "dcc326d91ab94c0afc59b5804d544b6262af03f2ae49140e4a841097f396e77d"`
[INFO] running `"docker" "rm" "-f" "dcc326d91ab94c0afc59b5804d544b6262af03f2ae49140e4a841097f396e77d"`
[INFO] [stdout] dcc326d91ab94c0afc59b5804d544b6262af03f2ae49140e4a841097f396e77d