[INFO] fetching crate basic_pattern_scanner 1.0.2...
[INFO] checking basic_pattern_scanner-1.0.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate basic_pattern_scanner 1.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate basic_pattern_scanner 1.0.2
[INFO] finished tweaking crates.io crate basic_pattern_scanner 1.0.2
[INFO] tweaked toml for crates.io crate basic_pattern_scanner 1.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate basic_pattern_scanner 1.0.2 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 basic_pattern_scanner 1.0.2 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-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb9df2e45da8d80dd486c0b69cd4906008e183aabcd530d1e9e9483a281cc4d
[INFO] running `Command { std: "docker" "start" "-a" "9eb9df2e45da8d80dd486c0b69cd4906008e183aabcd530d1e9e9483a281cc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb9df2e45da8d80dd486c0b69cd4906008e183aabcd530d1e9e9483a281cc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb9df2e45da8d80dd486c0b69cd4906008e183aabcd530d1e9e9483a281cc4d", kill_on_drop: false }`
[INFO] [stdout] 9eb9df2e45da8d80dd486c0b69cd4906008e183aabcd530d1e9e9483a281cc4d
[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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d4eb21e34f175965a7ef0b77bc37f1629302a1956a2eb4d2488494e471d898
[INFO] running `Command { std: "docker" "start" "-a" "d7d4eb21e34f175965a7ef0b77bc37f1629302a1956a2eb4d2488494e471d898", kill_on_drop: false }`
[INFO] [stderr]     Checking basic_pattern_scanner v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `MatchWithAddrIter` is never constructed
[INFO] [stdout]    --> src/scanner/scalar.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct MatchWithAddrIter<'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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic_pattern_scanner` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `MatchWithAddrIter` is never constructed
[INFO] [stdout]    --> src/scanner/scalar.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct MatchWithAddrIter<'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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic_pattern_scanner` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d7d4eb21e34f175965a7ef0b77bc37f1629302a1956a2eb4d2488494e471d898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d4eb21e34f175965a7ef0b77bc37f1629302a1956a2eb4d2488494e471d898", kill_on_drop: false }`
[INFO] [stdout] d7d4eb21e34f175965a7ef0b77bc37f1629302a1956a2eb4d2488494e471d898