[INFO] cloning repository https://github.com/njfio/rfnu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njfio/rfnu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjfio%2Frfnu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjfio%2Frfnu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28b77721159c861710585b1df0ce9aec65080ca6
[INFO] checking njfio/rfnu against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjfio%2Frfnu" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njfio/rfnu on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njfio/rfnu
[INFO] finished tweaking git repo https://github.com/njfio/rfnu
[INFO] tweaked toml for git repo https://github.com/njfio/rfnu written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/njfio/rfnu 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" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.15.0
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded lax v0.15.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded neo4rs v0.7.1
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded delegate v0.10.0
[INFO] [stderr]   Downloaded neo4rs-macros v0.3.0
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e22cfb4ecfb04763850a92f856ef96884eae231b35425a081f159038bb142bf
[INFO] running `Command { std: "docker" "start" "-a" "1e22cfb4ecfb04763850a92f856ef96884eae231b35425a081f159038bb142bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e22cfb4ecfb04763850a92f856ef96884eae231b35425a081f159038bb142bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e22cfb4ecfb04763850a92f856ef96884eae231b35425a081f159038bb142bf", kill_on_drop: false }`
[INFO] [stdout] 1e22cfb4ecfb04763850a92f856ef96884eae231b35425a081f159038bb142bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e2ed98fd475e8494ab35fa73e3eeaec59cd81b10f16b35f3d4cad066fb6c3d
[INFO] running `Command { std: "docker" "start" "-a" "93e2ed98fd475e8494ab35fa73e3eeaec59cd81b10f16b35f3d4cad066fb6c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking retain_mut v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling neo4rs-macros v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking deadpool v0.9.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking cauchy v0.4.0
[INFO] [stderr]     Checking lapack v0.18.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking lax v0.15.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking rustls v0.21.12
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]     Checking ndarray-linalg v0.15.0
[INFO] [stderr]     Checking rustls-webpki v0.100.3
[INFO] [stderr]    Compiling delegate v0.10.0
[INFO] [stderr]    Compiling chrono-tz-build v0.2.1
[INFO] [stderr]     Checking webpki-roots v0.23.1
[INFO] [stderr]    Compiling chrono-tz v0.8.6
[INFO] [stderr]     Checking neo4rs v0.7.1
[INFO] [stderr]     Checking rfnu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::process::Command as TokioCommand`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::process::Command as TokioCommand;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::process::Command as TokioCommand`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::process::Command as TokioCommand;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Write, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Write, BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumericalPair` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct NumericalPair {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumericalPair` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct NumericalPair {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.72s
[INFO] running `Command { std: "docker" "inspect" "93e2ed98fd475e8494ab35fa73e3eeaec59cd81b10f16b35f3d4cad066fb6c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e2ed98fd475e8494ab35fa73e3eeaec59cd81b10f16b35f3d4cad066fb6c3d", kill_on_drop: false }`
[INFO] [stdout] 93e2ed98fd475e8494ab35fa73e3eeaec59cd81b10f16b35f3d4cad066fb6c3d