[INFO] cloning repository https://github.com/qnighy/logic-solver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qnighy/logic-solver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ab52b6e8a4fb46ffdaebe8045f4768240ea920
[INFO] checking qnighy/logic-solver-rs against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Flogic-solver-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qnighy/logic-solver-rs
[INFO] finished tweaking git repo https://github.com/qnighy/logic-solver-rs
[INFO] tweaked toml for git repo https://github.com/qnighy/logic-solver-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qnighy/logic-solver-rs on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qnighy/logic-solver-rs 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec536d2ab0410e48454181fae5ed5b69d3f5f12dcc669e4a03a716dea495a38
[INFO] running `Command { std: "docker" "start" "-a" "3ec536d2ab0410e48454181fae5ed5b69d3f5f12dcc669e4a03a716dea495a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec536d2ab0410e48454181fae5ed5b69d3f5f12dcc669e4a03a716dea495a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec536d2ab0410e48454181fae5ed5b69d3f5f12dcc669e4a03a716dea495a38", kill_on_drop: false }`
[INFO] [stdout] 3ec536d2ab0410e48454181fae5ed5b69d3f5f12dcc669e4a03a716dea495a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1dbba8186984221d0b9db6bab6e9bb2cb3c1d503be50a9d0adbdb1efbf8f75
[INFO] running `Command { std: "docker" "start" "-a" "6b1dbba8186984221d0b9db6bab6e9bb2cb3c1d503be50a9d0adbdb1efbf8f75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling nom v6.2.1 (https://github.com/Geal/nom?rev=03a1025a5d98df931f12b1935d04f7bd9fe7752c#03a1025a)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking radium v0.6.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking big_s v1.0.2
[INFO] [stderr]     Checking ordered-float v2.2.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling partial_ref_derive v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking partial_ref v0.3.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking askama_shared v0.11.1
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]     Checking askama v0.10.5
[INFO] [stderr]     Checking logic-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `RpcClient` is never constructed
[INFO] [stdout]   --> src/rpc.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct RpcClient<'a> {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logic-solver` (bin "logic-solver") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `RpcClient` is never constructed
[INFO] [stdout]   --> src/rpc.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct RpcClient<'a> {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logic-solver` (bin "logic-solver" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6b1dbba8186984221d0b9db6bab6e9bb2cb3c1d503be50a9d0adbdb1efbf8f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1dbba8186984221d0b9db6bab6e9bb2cb3c1d503be50a9d0adbdb1efbf8f75", kill_on_drop: false }`
[INFO] [stdout] 6b1dbba8186984221d0b9db6bab6e9bb2cb3c1d503be50a9d0adbdb1efbf8f75
