[INFO] cloning repository https://github.com/gsspdev/quadratic_residues
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsspdev/quadratic_residues" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fquadratic_residues", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fquadratic_residues'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79ef6e5df83371bdb5f5bdd56668ea2614cfce08
[INFO] checking gsspdev/quadratic_residues against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fquadratic_residues" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsspdev/quadratic_residues on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gsspdev/quadratic_residues
[INFO] finished tweaking git repo https://github.com/gsspdev/quadratic_residues
[INFO] tweaked toml for git repo https://github.com/gsspdev/quadratic_residues written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gsspdev/quadratic_residues 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vte v0.8.0
[INFO] [stderr]   Downloaded gix-commitgraph v0.24.2
[INFO] [stderr]   Downloaded crokey-proc_macros v1.0.1
[INFO] [stderr]   Downloaded file-size v1.0.3
[INFO] [stderr]   Downloaded crokey-proc_macros v0.6.4
[INFO] [stderr]   Downloaded gix-path v0.10.8
[INFO] [stderr]   Downloaded cli-log v2.0.0
[INFO] [stderr]   Downloaded gix-config-value v0.14.6
[INFO] [stderr]   Downloaded proc-status v0.1.1
[INFO] [stderr]   Downloaded gix-credentials v0.24.2
[INFO] [stderr]   Downloaded gix-sec v0.10.6
[INFO] [stderr]   Downloaded gix-tempfile v13.1.1
[INFO] [stderr]   Downloaded terminal-light v1.4.0
[INFO] [stderr]   Downloaded crokey v1.0.1
[INFO] [stderr]   Downloaded crokey v0.6.4
[INFO] [stderr]   Downloaded gix-prompt v0.8.5
[INFO] [stderr]   Downloaded gix-attributes v0.22.2
[INFO] [stderr]   Downloaded coolor v0.9.0
[INFO] [stderr]   Downloaded imara-diff v0.1.6
[INFO] [stderr]   Downloaded gix-lock v13.1.1
[INFO] [stderr]   Downloaded gix-command v0.3.7
[INFO] [stderr]   Downloaded gix-glob v0.16.3
[INFO] [stderr]   Downloaded gix-url v0.27.3
[INFO] [stderr]   Downloaded gix-ignore v0.11.2
[INFO] [stderr]   Downloaded gix-packetline-blocking v0.17.4
[INFO] [stderr]   Downloaded gix-fs v0.10.2
[INFO] [stderr]   Downloaded gix-trace v0.1.9
[INFO] [stderr]   Downloaded termimad v0.29.4
[INFO] [stderr]   Downloaded bacon v2.18.2
[INFO] [stderr]   Downloaded clap-help v1.2.0
[INFO] [stderr]   Downloaded xterm-query v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8efe351d299f3eb6d8de8595e877122596d1afc698ce1fcefd69c644202d0455
[INFO] running `Command { std: "docker" "start" "-a" "8efe351d299f3eb6d8de8595e877122596d1afc698ce1fcefd69c644202d0455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8efe351d299f3eb6d8de8595e877122596d1afc698ce1fcefd69c644202d0455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efe351d299f3eb6d8de8595e877122596d1afc698ce1fcefd69c644202d0455", kill_on_drop: false }`
[INFO] [stdout] 8efe351d299f3eb6d8de8595e877122596d1afc698ce1fcefd69c644202d0455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248950f22f6a6b9b9ac29183e2e89003bc131167f4cc38d929c32cd679aadbd9
[INFO] running `Command { std: "docker" "start" "-a" "248950f22f6a6b9b9ac29183e2e89003bc131167f4cc38d929c32cd679aadbd9", kill_on_drop: false }`
[INFO] [stderr] warning: quadratic_residues v0.1.4 (/opt/rustwide/workdir) ignoring invalid dependency `bacon` which is missing a lib target
[INFO] [stderr]     Checking quadratic_residues v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SplitVec` is never constructed
[INFO] [stdout]  --> src/split_vector.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SplitVec {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get_middle`, `get_first_halve`, and `get_last_halve` are never used
[INFO] [stdout]   --> src/split_vector.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl SplitVec {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 7  |     pub fn get_middle(vec: Vec<i32>) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get_first_halve(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_last_halve(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abs_rem` is never used
[INFO] [stdout]   --> src/utilities.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn abs_rem(div: i32, dvsr: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_half` and `last_half` are never read
[INFO] [stdout]  --> src/split_vector.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SplitVec {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     first_half: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 3 |     last_half: Vec<i32>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_last_halve` is never used
[INFO] [stdout]   --> src/split_vector.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl SplitVec {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_last_halve(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ints_less_than_n` is never used
[INFO] [stdout]  --> src/utilities.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ints_less_than_n(n: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_unique` is never used
[INFO] [stdout]  --> src/utilities.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_unique(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abs_rem` is never used
[INFO] [stdout]   --> src/utilities.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn abs_rem(div: i32, dvsr: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "248950f22f6a6b9b9ac29183e2e89003bc131167f4cc38d929c32cd679aadbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248950f22f6a6b9b9ac29183e2e89003bc131167f4cc38d929c32cd679aadbd9", kill_on_drop: false }`
[INFO] [stdout] 248950f22f6a6b9b9ac29183e2e89003bc131167f4cc38d929c32cd679aadbd9