[INFO] cloning repository https://github.com/Detroix23/big_numbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Detroix23/big_numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetroix23%2Fbig_numbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetroix23%2Fbig_numbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f013dc3a61b0fafc6b37d750ac5972fb74801fd6
[INFO] checking Detroix23/big_numbers against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDetroix23%2Fbig_numbers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Detroix23/big_numbers
[INFO] finished tweaking git repo https://github.com/Detroix23/big_numbers
[INFO] tweaked toml for git repo https://github.com/Detroix23/big_numbers written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Detroix23/big_numbers on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Detroix23/big_numbers 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596
[INFO] running `Command { std: "docker" "start" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking big_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `DECIMALS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DECIMALS: &'static str = ".";
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THOUSANDS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const THOUSANDS: &'static str = ",";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_length` is never used
[INFO] [stdout]  --> src/modules/displays.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_length(number: &u32) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_to_char` is never used
[INFO] [stdout]   --> src/modules/displays.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn digit_to_char(digit: u32) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_list` is never used
[INFO] [stdout]   --> src/modules/displays.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn digit_list(number: u32) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thousand_separators` is never used
[INFO] [stdout]   --> src/modules/displays.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn thousand_separators(number: String, separator: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scientific` is never constructed
[INFO] [stdout]   --> src/modules/scientific.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scientific {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `get_body`, `get_exponent`, `display_full`, and `display_body` are never used
[INFO] [stdout]   --> src/modules/scientific.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Scientific {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     /// Construct a new `Scientific` number given a `body` and an `exponent`.
[INFO] [stdout] 19 |     pub fn new(body: u32, exponent: u32) -> Scientific {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone(self: &Self) -> Scientific {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_body(self: &Self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_exponent(self: &Self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn display_full(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn display_body(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_addition_overflow` is never used
[INFO] [stdout]  --> src/modules/operations.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn will_addition_overflow(a: &scientific::Scientific, b: &scientific::Scientific) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `addition` is never used
[INFO] [stdout]   --> src/modules/operations.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn addition(a: scientific::Scientific, b: scientific::Scientific) -> scientific::Scientific {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DECIMALS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DECIMALS: &'static str = ".";
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THOUSANDS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const THOUSANDS: &'static str = ",";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_length` is never used
[INFO] [stdout]  --> src/modules/displays.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_length(number: &u32) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_to_char` is never used
[INFO] [stdout]   --> src/modules/displays.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn digit_to_char(digit: u32) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_list` is never used
[INFO] [stdout]   --> src/modules/displays.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn digit_list(number: u32) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thousand_separators` is never used
[INFO] [stdout]   --> src/modules/displays.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn thousand_separators(number: String, separator: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scientific` is never constructed
[INFO] [stdout]   --> src/modules/scientific.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scientific {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `get_body`, `get_exponent`, `display_full`, and `display_body` are never used
[INFO] [stdout]   --> src/modules/scientific.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Scientific {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     /// Construct a new `Scientific` number given a `body` and an `exponent`.
[INFO] [stdout] 19 |     pub fn new(body: u32, exponent: u32) -> Scientific {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone(self: &Self) -> Scientific {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_body(self: &Self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn get_exponent(self: &Self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn display_full(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn display_body(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `will_addition_overflow` is never used
[INFO] [stdout]  --> src/modules/operations.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn will_addition_overflow(a: &scientific::Scientific, b: &scientific::Scientific) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `addition` is never used
[INFO] [stdout]   --> src/modules/operations.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn addition(a: scientific::Scientific, b: scientific::Scientific) -> scientific::Scientific {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DECIMALS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DECIMALS: &'static str = ".";
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_length` is never used
[INFO] [stdout]  --> src/modules/displays.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_length(number: &u32) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_to_char` is never used
[INFO] [stdout]   --> src/modules/displays.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn digit_to_char(digit: u32) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_list` is never used
[INFO] [stdout]   --> src/modules/displays.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn digit_list(number: u32) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clone` and `display_body` are never used
[INFO] [stdout]   --> src/modules/scientific.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Scientific {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone(self: &Self) -> Scientific {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn display_body(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DECIMALS` is never used
[INFO] [stdout]  --> src/modules/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DECIMALS: &'static str = ".";
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_length` is never used
[INFO] [stdout]  --> src/modules/displays.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_length(number: &u32) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_to_char` is never used
[INFO] [stdout]   --> src/modules/displays.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn digit_to_char(digit: u32) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_list` is never used
[INFO] [stdout]   --> src/modules/displays.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn digit_list(number: u32) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clone` and `display_body` are never used
[INFO] [stdout]   --> src/modules/scientific.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Scientific {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn clone(self: &Self) -> Scientific {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn display_body(self: &Self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596", kill_on_drop: false }`
[INFO] [stdout] 090f672dd85d786f8dfb4bbf52d5c6d8db4c97124ea62c1bad0ecc8a142e5596
