[INFO] cloning repository https://github.com/jakubtrnka/rusty_shamir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubtrnka/rusty_shamir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtrnka%2Frusty_shamir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtrnka%2Frusty_shamir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79b6d2c4b56fade7b8ff297b2ac2f58838412d29
[INFO] checking jakubtrnka/rusty_shamir against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtrnka%2Frusty_shamir" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubtrnka/rusty_shamir on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubtrnka/rusty_shamir
[INFO] finished tweaking git repo https://github.com/jakubtrnka/rusty_shamir
[INFO] tweaked toml for git repo https://github.com/jakubtrnka/rusty_shamir written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubtrnka/rusty_shamir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93da5e40a52729a487fde312af6098dad8c714b23a469f9d084477ee7f97be1
[INFO] running `Command { std: "docker" "start" "-a" "d93da5e40a52729a487fde312af6098dad8c714b23a469f9d084477ee7f97be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93da5e40a52729a487fde312af6098dad8c714b23a469f9d084477ee7f97be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93da5e40a52729a487fde312af6098dad8c714b23a469f9d084477ee7f97be1", kill_on_drop: false }`
[INFO] [stdout] d93da5e40a52729a487fde312af6098dad8c714b23a469f9d084477ee7f97be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2535d66cb31f2232fce8311accf0e338579969f11f9dd83ffac7701ab4e647e
[INFO] running `Command { std: "docker" "start" "-a" "e2535d66cb31f2232fce8311accf0e338579969f11f9dd83ffac7701ab4e647e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rusty_shamir v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/primitives/raw_shamir.rs (4 fixes)
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/primitives/raw_shamir.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point(GF8, GF8);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(x: u8, y: u8) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_polynomial_through`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn random_polynomial_through(points: &Vec<Point>, degree: u8) -> Vec<GF8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lagrange`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn lagrange(points: &HashMap<GF8, GF8>) -> Vec<GF8> { //maybe use generics
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_split`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn block_split(_degree: u8, _count: u8, _payload: u8) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_recover`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn block_recover(_shares: &Vec<Point>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_p_mul`
[INFO] [stdout]  --> src/primitives/polynomials.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn two_p_mul<'a>(p1_result: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_p_sum`
[INFO] [stdout]   --> src/primitives/polynomials.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn two_p_sum<'a>(p1: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_split`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn block_split(_degree: u8, _count: u8, _payload: u8) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_recover`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn block_recover(_shares: &Vec<Point>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rusty_shamir v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/primitives/raw_shamir.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point(GF8, GF8);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(x: u8, y: u8) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_polynomial_through`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn random_polynomial_through(points: &Vec<Point>, degree: u8) -> Vec<GF8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lagrange`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn lagrange(points: &HashMap<GF8, GF8>) -> Vec<GF8> { //maybe use generics
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_split`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn block_split(_degree: u8, _count: u8, _payload: u8) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_recover`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn block_recover(_shares: &Vec<Point>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_p_mul`
[INFO] [stdout]  --> src/primitives/polynomials.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn two_p_mul<'a>(p1_result: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_p_sum`
[INFO] [stdout]   --> src/primitives/polynomials.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn two_p_sum<'a>(p1: &'a mut Vec<GF8>, p2: &Vec<GF8>) -> &'a Vec<GF8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_split`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn block_split(_degree: u8, _count: u8, _payload: u8) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_recover`
[INFO] [stdout]   --> src/primitives/raw_shamir.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn block_recover(_shares: &Vec<Point>) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "e2535d66cb31f2232fce8311accf0e338579969f11f9dd83ffac7701ab4e647e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2535d66cb31f2232fce8311accf0e338579969f11f9dd83ffac7701ab4e647e", kill_on_drop: false }`
[INFO] [stdout] e2535d66cb31f2232fce8311accf0e338579969f11f9dd83ffac7701ab4e647e