[INFO] fetching crate pri 0.2.0...
[INFO] building pri-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate pri 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pri 0.2.0
[INFO] finished tweaking crates.io crate pri 0.2.0
[INFO] tweaked toml for crates.io crate pri 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pri 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23381242c5a324ddd45bc98bfa9722c64fb3268a5e66097c51a822fbc5972726
[INFO] running `Command { std: "docker" "start" "-a" "23381242c5a324ddd45bc98bfa9722c64fb3268a5e66097c51a822fbc5972726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23381242c5a324ddd45bc98bfa9722c64fb3268a5e66097c51a822fbc5972726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23381242c5a324ddd45bc98bfa9722c64fb3268a5e66097c51a822fbc5972726", kill_on_drop: false }`
[INFO] [stdout] 23381242c5a324ddd45bc98bfa9722c64fb3268a5e66097c51a822fbc5972726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30f863bfd5e019528b23a34898cf802c3d6073e2596a457c6c21816f4456f66
[INFO] running `Command { std: "docker" "start" "-a" "c30f863bfd5e019528b23a34898cf802c3d6073e2596a457c6c21816f4456f66", kill_on_drop: false }`
[INFO] [stderr]    Compiling pri v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CandidateSet` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct CandidateSet {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Candidate` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct Candidate {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c30f863bfd5e019528b23a34898cf802c3d6073e2596a457c6c21816f4456f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30f863bfd5e019528b23a34898cf802c3d6073e2596a457c6c21816f4456f66", kill_on_drop: false }`
[INFO] [stdout] c30f863bfd5e019528b23a34898cf802c3d6073e2596a457c6c21816f4456f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d02245ad13d40ff54b9a40e4cb8fd4df09071638d6d6a31d2905ea69300bcd
[INFO] running `Command { std: "docker" "start" "-a" "34d02245ad13d40ff54b9a40e4cb8fd4df09071638d6d6a31d2905ea69300bcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pri v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CandidateSet` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct CandidateSet {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Candidate` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct Candidate {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CandidateSet` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct CandidateSet {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Candidate` is never constructed
[INFO] [stdout]    --> src/resource_map.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub struct Candidate {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "34d02245ad13d40ff54b9a40e4cb8fd4df09071638d6d6a31d2905ea69300bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d02245ad13d40ff54b9a40e4cb8fd4df09071638d6d6a31d2905ea69300bcd", kill_on_drop: false }`
[INFO] [stdout] 34d02245ad13d40ff54b9a40e4cb8fd4df09071638d6d6a31d2905ea69300bcd