[INFO] fetching crate avrisp 0.3.0...
[INFO] checking avrisp-0.3.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate avrisp 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate avrisp 0.3.0
[INFO] finished tweaking crates.io crate avrisp 0.3.0
[INFO] tweaked toml for crates.io crate avrisp 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate avrisp 0.3.0 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 avrisp 0.3.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 73d24a0a54b865cb8f61e775ab6647538d9d02513d4f0afe4ca9b01bc511d940
[INFO] running `Command { std: "docker" "start" "-a" "73d24a0a54b865cb8f61e775ab6647538d9d02513d4f0afe4ca9b01bc511d940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d24a0a54b865cb8f61e775ab6647538d9d02513d4f0afe4ca9b01bc511d940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d24a0a54b865cb8f61e775ab6647538d9d02513d4f0afe4ca9b01bc511d940", kill_on_drop: false }`
[INFO] [stdout] 73d24a0a54b865cb8f61e775ab6647538d9d02513d4f0afe4ca9b01bc511d940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7fef019d91071f4c5e710f5600019346d1b40614b7b23451dd8ef0512b5a75fa
[INFO] running `Command { std: "docker" "start" "-a" "7fef019d91071f4c5e710f5600019346d1b40614b7b23451dd8ef0512b5a75fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling claim v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking avrisp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `IspMode` is never constructed
[INFO] [stdout]    --> src/programmer/stk500v2.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 409 | pub struct IspMode {
[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 `avrisp` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `IspMode` is never constructed
[INFO] [stdout]    --> src/programmer/stk500v2.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 409 | pub struct IspMode {
[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 `avrisp` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7fef019d91071f4c5e710f5600019346d1b40614b7b23451dd8ef0512b5a75fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fef019d91071f4c5e710f5600019346d1b40614b7b23451dd8ef0512b5a75fa", kill_on_drop: false }`
[INFO] [stdout] 7fef019d91071f4c5e710f5600019346d1b40614b7b23451dd8ef0512b5a75fa
