[INFO] fetching crate stimcircuit 0.1.0...
[INFO] checking stimcircuit-0.1.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate stimcircuit 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stimcircuit 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stimcircuit 0.1.0
[INFO] tweaked toml for crates.io crate stimcircuit 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stimcircuit 0.1.0 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 stimcircuit 0.1.0 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-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] f04310b560aceb17f065025e33792d64b580386e69c820fd2eea54ef149a7dc9
[INFO] running `Command { std: "docker" "start" "-a" "f04310b560aceb17f065025e33792d64b580386e69c820fd2eea54ef149a7dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04310b560aceb17f065025e33792d64b580386e69c820fd2eea54ef149a7dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04310b560aceb17f065025e33792d64b580386e69c820fd2eea54ef149a7dc9", kill_on_drop: false }`
[INFO] [stdout] f04310b560aceb17f065025e33792d64b580386e69c820fd2eea54ef149a7dc9
[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] bb1d90ac705b8f87b8918444430715e58e7be9d654ecdc53985ef34aad4ed067
[INFO] running `Command { std: "docker" "start" "-a" "bb1d90ac705b8f87b8918444430715e58e7be9d654ecdc53985ef34aad4ed067", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]     Checking stimcircuit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `GateError` is never constructed
[INFO] [stdout]  --> src/gate.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct GateError(String);
[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 `stimcircuit` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `GateError` is never constructed
[INFO] [stdout]  --> src/gate.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct GateError(String);
[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 `stimcircuit` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bb1d90ac705b8f87b8918444430715e58e7be9d654ecdc53985ef34aad4ed067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1d90ac705b8f87b8918444430715e58e7be9d654ecdc53985ef34aad4ed067", kill_on_drop: false }`
[INFO] [stdout] bb1d90ac705b8f87b8918444430715e58e7be9d654ecdc53985ef34aad4ed067
