[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 try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsspdev%2Fquadratic_residues" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsspdev/quadratic_residues on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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-tc2/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" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crokey-proc_macros v1.0.1
[INFO] [stderr]   Downloaded vte v0.8.0
[INFO] [stderr]   Downloaded gix-worktree-stream v0.9.0
[INFO] [stderr]   Downloaded crokey-proc_macros v0.6.4
[INFO] [stderr]   Downloaded human_format v1.1.0
[INFO] [stderr]   Downloaded xterm-query v0.4.0
[INFO] [stderr]   Downloaded file-size v1.0.3
[INFO] [stderr]   Downloaded cli-log v2.0.0
[INFO] [stderr]   Downloaded proc-status v0.1.1
[INFO] [stderr]   Downloaded crokey v1.0.1
[INFO] [stderr]   Downloaded gix-ignore v0.11.2
[INFO] [stderr]   Downloaded gix-lock v13.1.1
[INFO] [stderr]   Downloaded gix-macros v0.1.5
[INFO] [stderr]   Downloaded gix-archive v0.9.0
[INFO] [stderr]   Downloaded gix-discover v0.29.0
[INFO] [stderr]   Downloaded gix-status v0.5.0
[INFO] [stderr]   Downloaded gix-credentials v0.24.2
[INFO] [stderr]   Downloaded gix-revision v0.26.0
[INFO] [stderr]   Downloaded gix-object v0.41.0
[INFO] [stderr]   Downloaded crokey v0.6.4
[INFO] [stderr]   Downloaded terminal-light v1.4.0
[INFO] [stderr]   Downloaded gix-config v0.34.0
[INFO] [stderr]   Downloaded gix-pack v0.47.0
[INFO] [stderr]   Downloaded toml_edit v0.22.15
[INFO] [stderr]   Downloaded imara-diff v0.1.6
[INFO] [stderr]   Downloaded gix-ref v0.41.0
[INFO] [stderr]   Downloaded gix-index v0.29.0
[INFO] [stderr]   Downloaded gix v0.58.0
[INFO] [stderr]   Downloaded io-close v0.3.7
[INFO] [stderr]   Downloaded gix-filter v0.9.0
[INFO] [stderr]   Downloaded termimad v0.29.4
[INFO] [stderr]   Downloaded jwalk v0.8.1
[INFO] [stderr]   Downloaded coolor v0.9.0
[INFO] [stderr]   Downloaded gix-diff v0.40.0
[INFO] [stderr]   Downloaded gix-odb v0.57.0
[INFO] [stderr]   Downloaded gix-pathspec v0.6.0
[INFO] [stderr]   Downloaded gix-url v0.27.3
[INFO] [stderr]   Downloaded gix-packetline-blocking v0.17.4
[INFO] [stderr]   Downloaded gix-revwalk v0.12.0
[INFO] [stderr]   Downloaded gix-traverse v0.37.0
[INFO] [stderr]   Downloaded gix-tempfile v13.1.1
[INFO] [stderr]   Downloaded gix-path v0.10.8
[INFO] [stderr]   Downloaded gix-commitgraph v0.24.2
[INFO] [stderr]   Downloaded gix-mailmap v0.22.0
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[INFO] [stderr]   Downloaded gix-actor v0.30.0
[INFO] [stderr]   Downloaded gix-date v0.8.7
[INFO] [stderr]   Downloaded gix-validate v0.8.5
[INFO] [stderr]   Downloaded bacon v2.18.2
[INFO] [stderr]   Downloaded gix-refspec v0.22.0
[INFO] [stderr]   Downloaded gix-submodule v0.8.0
[INFO] [stderr]   Downloaded gix-attributes v0.22.2
[INFO] [stderr]   Downloaded gix-negotiate v0.12.0
[INFO] [stderr]   Downloaded gix-prompt v0.8.5
[INFO] [stderr]   Downloaded gix-fs v0.10.2
[INFO] [stderr]   Downloaded gix-glob v0.16.3
[INFO] [stderr]   Downloaded clap-help v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce183001debd4f95671c4ef58c3028a3c44a7372163514438a153c428d61174
[INFO] running `Command { std: "docker" "start" "-a" "2ce183001debd4f95671c4ef58c3028a3c44a7372163514438a153c428d61174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce183001debd4f95671c4ef58c3028a3c44a7372163514438a153c428d61174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce183001debd4f95671c4ef58c3028a3c44a7372163514438a153c428d61174", kill_on_drop: false }`
[INFO] [stdout] 2ce183001debd4f95671c4ef58c3028a3c44a7372163514438a153c428d61174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35376af5714c5e96b26b79b6d1c0b47de3c4b20f187335deee0d1f7b62ba43c
[INFO] running `Command { std: "docker" "start" "-a" "c35376af5714c5e96b26b79b6d1c0b47de3c4b20f187335deee0d1f7b62ba43c", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "c35376af5714c5e96b26b79b6d1c0b47de3c4b20f187335deee0d1f7b62ba43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35376af5714c5e96b26b79b6d1c0b47de3c4b20f187335deee0d1f7b62ba43c", kill_on_drop: false }`
[INFO] [stdout] c35376af5714c5e96b26b79b6d1c0b47de3c4b20f187335deee0d1f7b62ba43c