[INFO] fetching crate ksynth 0.18.0...
[INFO] checking ksynth-0.18.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate ksynth 0.18.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ksynth 0.18.0
[INFO] finished tweaking crates.io crate ksynth 0.18.0
[INFO] tweaked toml for crates.io crate ksynth 0.18.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ksynth 0.18.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ksynth 0.18.0 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c666c30caa231a5c5a3c5b8fe94261696db18fd72cb07daac9780aa2c8e96a6
[INFO] running `Command { std: "docker" "start" "-a" "5c666c30caa231a5c5a3c5b8fe94261696db18fd72cb07daac9780aa2c8e96a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c666c30caa231a5c5a3c5b8fe94261696db18fd72cb07daac9780aa2c8e96a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c666c30caa231a5c5a3c5b8fe94261696db18fd72cb07daac9780aa2c8e96a6", kill_on_drop: false }`
[INFO] [stdout] 5c666c30caa231a5c5a3c5b8fe94261696db18fd72cb07daac9780aa2c8e96a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64bd2036820da1612e65a7cf0046b64da42b0fe5b0487d1b4a7ab1f7e7980954
[INFO] running `Command { std: "docker" "start" "-a" "64bd2036820da1612e65a7cf0046b64da42b0fe5b0487d1b4a7ab1f7e7980954", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking pretty-hex v0.4.1
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling kinded_macros v0.3.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling kinded v0.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling nutype_macros v0.4.3
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking nybble v0.1.1
[INFO] [stderr]     Checking syxpack v0.17.0
[INFO] [stderr]     Checking nutype v0.4.3
[INFO] [stderr]     Checking ksynth v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]     --> src/k5000/mod.rs:2072:17
[INFO] [stdout]      |
[INFO] [stdout] 2072 |     use super::{*};
[INFO] [stdout]      |                 ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]    --> src/k4/multi.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use super::{*};
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ValueError` is never constructed
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct ValueError(i32, i32, i32);  // expected low, expected high, actual
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StringUtils` is never used
[INFO] [stdout]    --> src/lib.rs:139:7
[INFO] [stdout]     |
[INFO] [stdout] 139 | trait StringUtils {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parameter` is never used
[INFO] [stdout]   --> src/k5000/mod.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | trait Parameter {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ksynth` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `ValueError` is never constructed
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct ValueError(i32, i32, i32);  // expected low, expected high, actual
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StringUtils` is never used
[INFO] [stdout]    --> src/lib.rs:139:7
[INFO] [stdout]     |
[INFO] [stdout] 139 | trait StringUtils {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parameter` is never used
[INFO] [stdout]   --> src/k5000/mod.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | trait Parameter {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ksynth` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "64bd2036820da1612e65a7cf0046b64da42b0fe5b0487d1b4a7ab1f7e7980954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64bd2036820da1612e65a7cf0046b64da42b0fe5b0487d1b4a7ab1f7e7980954", kill_on_drop: false }`
[INFO] [stdout] 64bd2036820da1612e65a7cf0046b64da42b0fe5b0487d1b4a7ab1f7e7980954
