[INFO] fetching crate bitcoin-tokenpipe 0.1.16-alpha.0...
[INFO] checking bitcoin-tokenpipe-0.1.16-alpha.0 against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] extracting crate bitcoin-tokenpipe 0.1.16-alpha.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitcoin-tokenpipe 0.1.16-alpha.0 on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-tokenpipe 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoin-tokenpipe 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoin-tokenpipe 0.1.16-alpha.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76544b243c9f1607997fd161ab1e787990c677e0cf01881428ba2acba2aa6d5
[INFO] running `Command { std: "docker" "start" "-a" "c76544b243c9f1607997fd161ab1e787990c677e0cf01881428ba2acba2aa6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76544b243c9f1607997fd161ab1e787990c677e0cf01881428ba2acba2aa6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76544b243c9f1607997fd161ab1e787990c677e0cf01881428ba2acba2aa6d5", kill_on_drop: false }`
[INFO] [stdout] c76544b243c9f1607997fd161ab1e787990c677e0cf01881428ba2acba2aa6d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "154a510ebb7fc8715d72d67814d2054dca4b0370924bc497ad8777958084e34e", kill_on_drop: false }`
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[INFO] [stderr]     Checking bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]     Checking bitcoin-tokenpipe v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]  --> src/tokenpipe.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(not(WIN32))]
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]   --> src/tokenpipe.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(not(WIN32))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]   --> src/tokenpipe.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(WIN32))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:150:11
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[cfg(not(WIN32))]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[cfg(not(WIN32))]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:259:7
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:294:7
[INFO] [stdout]     |
[INFO] [stdout] 294 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:371:7
[INFO] [stdout]     |
[INFO] [stdout] 371 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TS_ERR` should have an upper camel case name
[INFO] [stdout]   --> src/tokenpipe.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     TS_ERR = -1, 
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `TsErr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TS_EOS` should have an upper camel case name
[INFO] [stdout]   --> src/tokenpipe.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     TS_EOS = -2, 
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `TsEos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/tokenpipe.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let fd: i32 = fd.unwrap_or(-1);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/tokenpipe.rs:62:35
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn token_write(&mut self, token: u8) -> i32 {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn new_from_other(other: TokenPipeEnd) -> Self {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn assign_from(&mut self, other: TokenPipeEnd) -> &mut TokenPipeEnd {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fds`
[INFO] [stdout]    --> src/tokenpipe.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn new(fds: [i32; 2]) -> Self {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_fds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn new_from_other(other: TokenPipe) -> Self {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:244:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn assign_from(&mut self, other: TokenPipe) -> &mut TokenPipe {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd` is never read
[INFO] [stdout]   --> src/tokenpipe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TokenPipeEnd {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 11 |     fd: i32, // default = -1
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fds` is never read
[INFO] [stdout]    --> src/tokenpipe.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct TokenPipe {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 152 |     fds: [i32; 2], // default = {-1, -1}
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]  --> src/tokenpipe.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(not(WIN32))]
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]   --> src/tokenpipe.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(not(WIN32))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]   --> src/tokenpipe.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(WIN32))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:150:11
[INFO] [stdout]     |
[INFO] [stdout] 150 | #[cfg(not(WIN32))]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[cfg(not(WIN32))]
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:259:7
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:294:7
[INFO] [stdout]     |
[INFO] [stdout] 294 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `WIN32`
[INFO] [stdout]    --> src/tokenpipe.rs:371:7
[INFO] [stdout]     |
[INFO] [stdout] 371 | #[cfg(WIN32)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(WIN32)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TS_ERR` should have an upper camel case name
[INFO] [stdout]   --> src/tokenpipe.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     TS_ERR = -1, 
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `TsErr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TS_EOS` should have an upper camel case name
[INFO] [stdout]   --> src/tokenpipe.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     TS_EOS = -2, 
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `TsEos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/tokenpipe.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let fd: i32 = fd.unwrap_or(-1);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/tokenpipe.rs:62:35
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn token_write(&mut self, token: u8) -> i32 {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn new_from_other(other: TokenPipeEnd) -> Self {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn assign_from(&mut self, other: TokenPipeEnd) -> &mut TokenPipeEnd {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fds`
[INFO] [stdout]    --> src/tokenpipe.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn new(fds: [i32; 2]) -> Self {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_fds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn new_from_other(other: TokenPipe) -> Self {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/tokenpipe.rs:244:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn assign_from(&mut self, other: TokenPipe) -> &mut TokenPipe {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd` is never read
[INFO] [stdout]   --> src/tokenpipe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TokenPipeEnd {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 11 |     fd: i32, // default = -1
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fds` is never read
[INFO] [stdout]    --> src/tokenpipe.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct TokenPipe {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 152 |     fds: [i32; 2], // default = {-1, -1}
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 14s
[INFO] running `Command { std: "docker" "inspect" "154a510ebb7fc8715d72d67814d2054dca4b0370924bc497ad8777958084e34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154a510ebb7fc8715d72d67814d2054dca4b0370924bc497ad8777958084e34e", kill_on_drop: false }`
[INFO] [stdout] 154a510ebb7fc8715d72d67814d2054dca4b0370924bc497ad8777958084e34e