[INFO] fetching crate serialkiller 0.0.1...
[INFO] testing serialkiller-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serialkiller 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serialkiller 0.0.1
[INFO] finished tweaking crates.io crate serialkiller 0.0.1
[INFO] tweaked toml for crates.io crate serialkiller 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialkiller 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialkiller 0.0.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 3d0279e4c5783342660b431cad16cc09e45a91b9426ca3b6254bf1a2d163b65e
[INFO] running `Command { std: "docker" "start" "-a" "3d0279e4c5783342660b431cad16cc09e45a91b9426ca3b6254bf1a2d163b65e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serialkiller v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `baud_rate`
[INFO] [stdout]   --> src/serialmock.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn set_baud_rate(&mut self, baud_rate: u32) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_baud_rate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_bits`
[INFO] [stdout]   --> src/serialmock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn set_data_bits(&mut self, data_bits: serialport::DataBits) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flow_control`
[INFO] [stdout]   --> src/serialmock.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         flow_control: serialport::FlowControl,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flow_control`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parity`
[INFO] [stdout]   --> src/serialmock.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_parity(&mut self, parity: serialport::Parity) -> serialport::Result<()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop_bits`
[INFO] [stdout]   --> src/serialmock.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn set_stop_bits(&mut self, stop_bits: serialport::StopBits) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stop_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> src/serialmock.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn set_timeout(&mut self, timeout: std::time::Duration) -> serialport::Result<()> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/serialmock.rs:90:41
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn write_request_to_send(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/serialmock.rs:94:45
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn write_data_terminal_ready(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_to_clear`
[INFO] [stdout]    --> src/serialmock.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn clear(&self, buffer_to_clear: serialport::ClearBuffer) -> serialport::Result<()> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_to_clear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerialMock` is never constructed
[INFO] [stdout]  --> src/serialmock.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SerialMock {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.43s
[INFO] running `Command { std: "docker" "inspect" "3d0279e4c5783342660b431cad16cc09e45a91b9426ca3b6254bf1a2d163b65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0279e4c5783342660b431cad16cc09e45a91b9426ca3b6254bf1a2d163b65e", kill_on_drop: false }`
[INFO] [stdout] 3d0279e4c5783342660b431cad16cc09e45a91b9426ca3b6254bf1a2d163b65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4fc2820345c6d5dfe5eb93526e0b24dabdc9748731ac5b4e716d978ae32f123
[INFO] running `Command { std: "docker" "start" "-a" "a4fc2820345c6d5dfe5eb93526e0b24dabdc9748731ac5b4e716d978ae32f123", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialkiller v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `baud_rate`
[INFO] [stdout]   --> src/serialmock.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn set_baud_rate(&mut self, baud_rate: u32) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_baud_rate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_bits`
[INFO] [stdout]   --> src/serialmock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn set_data_bits(&mut self, data_bits: serialport::DataBits) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flow_control`
[INFO] [stdout]   --> src/serialmock.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         flow_control: serialport::FlowControl,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flow_control`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parity`
[INFO] [stdout]   --> src/serialmock.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_parity(&mut self, parity: serialport::Parity) -> serialport::Result<()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop_bits`
[INFO] [stdout]   --> src/serialmock.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn set_stop_bits(&mut self, stop_bits: serialport::StopBits) -> serialport::Result<()> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stop_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]   --> src/serialmock.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn set_timeout(&mut self, timeout: std::time::Duration) -> serialport::Result<()> {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/serialmock.rs:90:41
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn write_request_to_send(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/serialmock.rs:94:45
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn write_data_terminal_ready(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_to_clear`
[INFO] [stdout]    --> src/serialmock.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn clear(&self, buffer_to_clear: serialport::ClearBuffer) -> serialport::Result<()> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_to_clear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerialMock` is never constructed
[INFO] [stdout]  --> src/serialmock.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SerialMock {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a4fc2820345c6d5dfe5eb93526e0b24dabdc9748731ac5b4e716d978ae32f123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fc2820345c6d5dfe5eb93526e0b24dabdc9748731ac5b4e716d978ae32f123", kill_on_drop: false }`
[INFO] [stdout] a4fc2820345c6d5dfe5eb93526e0b24dabdc9748731ac5b4e716d978ae32f123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbcc0b7c1128f100d7bb4929b8008aff86aafa46e454de59e72330d47941823e
[INFO] running `Command { std: "docker" "start" "-a" "bbcc0b7c1128f100d7bb4929b8008aff86aafa46e454de59e72330d47941823e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `baud_rate`
[INFO] [stderr]   --> src/serialmock.rs:63:33
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn set_baud_rate(&mut self, baud_rate: u32) -> serialport::Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_baud_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_bits`
[INFO] [stderr]   --> src/serialmock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn set_data_bits(&mut self, data_bits: serialport::DataBits) -> serialport::Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_bits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flow_control`
[INFO] [stderr]   --> src/serialmock.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         flow_control: serialport::FlowControl,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flow_control`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parity`
[INFO] [stderr]   --> src/serialmock.rs:78:30
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn set_parity(&mut self, parity: serialport::Parity) -> serialport::Result<()> {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stop_bits`
[INFO] [stderr]   --> src/serialmock.rs:82:33
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn set_stop_bits(&mut self, stop_bits: serialport::StopBits) -> serialport::Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stop_bits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timeout`
[INFO] [stderr]   --> src/serialmock.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn set_timeout(&mut self, timeout: std::time::Duration) -> serialport::Result<()> {
[INFO] [stderr]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/serialmock.rs:90:41
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn write_request_to_send(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/serialmock.rs:94:45
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn write_data_terminal_ready(&mut self, level: bool) -> serialport::Result<()> {
[INFO] [stderr]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer_to_clear`
[INFO] [stderr]    --> src/serialmock.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn clear(&self, buffer_to_clear: serialport::ClearBuffer) -> serialport::Result<()> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_to_clear`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SerialMock` is never constructed
[INFO] [stderr]  --> src/serialmock.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct SerialMock {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serialkiller` (bin "serialkiller" test) generated 10 warnings (run `cargo fix --bin "serialkiller" -p serialkiller --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serialkiller-2490c29112f3f594)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbcc0b7c1128f100d7bb4929b8008aff86aafa46e454de59e72330d47941823e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcc0b7c1128f100d7bb4929b8008aff86aafa46e454de59e72330d47941823e", kill_on_drop: false }`
[INFO] [stdout] bbcc0b7c1128f100d7bb4929b8008aff86aafa46e454de59e72330d47941823e