[INFO] fetching crate draw_bridge 0.1.1...
[INFO] checking draw_bridge-0.1.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate draw_bridge 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate draw_bridge 0.1.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate draw_bridge 0.1.1 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded draw_bridge_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5681c32e345f90dc77981051668a41e9e30045e0a10ca1f14b56e92533c9d741
[INFO] running `Command { std: "docker" "start" "-a" "5681c32e345f90dc77981051668a41e9e30045e0a10ca1f14b56e92533c9d741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5681c32e345f90dc77981051668a41e9e30045e0a10ca1f14b56e92533c9d741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5681c32e345f90dc77981051668a41e9e30045e0a10ca1f14b56e92533c9d741", kill_on_drop: false }`
[INFO] [stdout] 5681c32e345f90dc77981051668a41e9e30045e0a10ca1f14b56e92533c9d741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3319ed55ab596e50044c4a6abca237c110fa31a2bfa017f755b113efea2b9f4e
[INFO] running `Command { std: "docker" "start" "-a" "3319ed55ab596e50044c4a6abca237c110fa31a2bfa017f755b113efea2b9f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling memchr v2.2.1
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[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]     Checking serial-core v0.4.0
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[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.100
[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] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryMotors`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     QueryMotors,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[INFO] [stdout]    --> src/instructions.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> src/socket.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_test_json` is never used
[INFO] [stdout]    --> src/api.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn build_test_json(cmd: &str, body: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `noop`, and `fail` are never used
[INFO] [stdout]   --> src/commands.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Response {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 22 |     pub fn new(msg: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn noop() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn fail(msg: Option<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCommand` is never constructed
[INFO] [stdout]   --> src/commands.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 47 |     InvalidCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValidationResult` is never used
[INFO] [stdout]   --> src/commands.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | type ValidationResult = std::result::Result<(), Error>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HomeMove`, `QueryPen`, `QuerySteps`, and `SetPen` are never constructed
[INFO] [stdout]    --> src/instructions.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub enum EBBInstruction {
[INFO] [stdout]     |          -------------- variants in this enum
[INFO] [stdout] 120 |     HomeMove,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     QueryPen,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 128 |     QuerySteps,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 129 |     SetPen(PenPosition),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_to_i32` is never used
[INFO] [stdout]    --> src/instructions.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn match_to_i32(m: Option<regex::Match>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MotorStatus` is never constructed
[INFO] [stdout]    --> src/instructions.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct MotorStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `new_with_read_write`, `new_with_read`, and `new_with_write` are never used
[INFO] [stdout]    --> src/plotter.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     impl Mocket {
[INFO] [stdout]     |     ----------- associated functions in this implementation
[INFO] [stdout] 115 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |         fn new_with_read_write(read_buf: Vec<u8>, write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |         fn new_with_read(read_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |         fn new_with_write(write_buf: Vec<u8>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> src/socket.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handle_client(stream: UnixStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe` is never used
[INFO] [stdout]   --> src/udev.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn describe() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PRODUCT_ID` is never used
[INFO] [stdout]  --> src/udev.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static PRODUCT_ID: &str = "ID_MODEL_ID";
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MODEL` is never used
[INFO] [stdout]   --> src/udev.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static MODEL: &str = "EiBotBoard";
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:366:30
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:376:30
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 376 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/plotter.rs:386:30
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3319ed55ab596e50044c4a6abca237c110fa31a2bfa017f755b113efea2b9f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3319ed55ab596e50044c4a6abca237c110fa31a2bfa017f755b113efea2b9f4e", kill_on_drop: false }`
[INFO] [stdout] 3319ed55ab596e50044c4a6abca237c110fa31a2bfa017f755b113efea2b9f4e
