[INFO] fetching crate nami 0.10.1...
[INFO] checking nami-0.10.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate nami 0.10.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nami 0.10.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nami 0.10.1
[INFO] tweaked toml for crates.io crate nami 0.10.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nami 0.10.1 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 nami 0.10.1 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2946e4bd41872203130c5a2adc46d2c41ccdd7b4c46dd7c63340386600020af6
[INFO] running `Command { std: "docker" "start" "-a" "2946e4bd41872203130c5a2adc46d2c41ccdd7b4c46dd7c63340386600020af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2946e4bd41872203130c5a2adc46d2c41ccdd7b4c46dd7c63340386600020af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2946e4bd41872203130c5a2adc46d2c41ccdd7b4c46dd7c63340386600020af6", kill_on_drop: false }`
[INFO] [stdout] 2946e4bd41872203130c5a2adc46d2c41ccdd7b4c46dd7c63340386600020af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b1a8a52c81c25c0ff68a2e11b336121decf9838295baf0c4d5a7c6b46653c019
[INFO] running `Command { std: "docker" "start" "-a" "b1a8a52c81c25c0ff68a2e11b336121decf9838295baf0c4d5a7c6b46653c019", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking nami-core v0.3.2
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking executor-core v0.6.0
[INFO] [stderr]    Compiling nami-derive v0.2.3
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking nami v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `StreamSignal` is never constructed
[INFO] [stdout]   --> src/stream.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct StreamSignal<S>
[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] [stderr] error: could not compile `nami` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `StreamSignal` is never constructed
[INFO] [stdout]   --> src/stream.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct StreamSignal<S>
[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] [stderr] error: could not compile `nami` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b1a8a52c81c25c0ff68a2e11b336121decf9838295baf0c4d5a7c6b46653c019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a8a52c81c25c0ff68a2e11b336121decf9838295baf0c4d5a7c6b46653c019", kill_on_drop: false }`
[INFO] [stdout] b1a8a52c81c25c0ff68a2e11b336121decf9838295baf0c4d5a7c6b46653c019
