[INFO] cloning repository https://github.com/paddison/rust_rsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paddison/rust_rsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Frust_rsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Frust_rsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05f131365c606a0bc152d0448622ad58294e8964
[INFO] checking paddison/rust_rsa against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Frust_rsa" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/paddison/rust_rsa
[INFO] finished tweaking git repo https://github.com/paddison/rust_rsa
[INFO] tweaked toml for git repo https://github.com/paddison/rust_rsa written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paddison/rust_rsa on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paddison/rust_rsa 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 687abf163f843b9e95af75f59f214d2e23e7d50a6a691cc99a9d3388d1be23af
[INFO] running `Command { std: "docker" "start" "-a" "687abf163f843b9e95af75f59f214d2e23e7d50a6a691cc99a9d3388d1be23af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687abf163f843b9e95af75f59f214d2e23e7d50a6a691cc99a9d3388d1be23af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687abf163f843b9e95af75f59f214d2e23e7d50a6a691cc99a9d3388d1be23af", kill_on_drop: false }`
[INFO] [stdout] 687abf163f843b9e95af75f59f214d2e23e7d50a6a691cc99a9d3388d1be23af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e5903cda094b21f4d5e894e8a83045ab5977747ae54050320cf74173c24a9ff
[INFO] running `Command { std: "docker" "start" "-a" "6e5903cda094b21f4d5e894e8a83045ab5977747ae54050320cf74173c24a9ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.16.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rsa_arbitray_precision v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Complete`
[INFO] [stdout]  --> src/input_module.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rug::{Integer, Complete};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/input_module.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let s = number_to_string(n).unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `InitBenchmarkError` is never constructed
[INFO] [stdout]   --> src/commands/benchmark.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InitBenchmarkError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_name` is never used
[INFO] [stdout]   --> src/commands/util.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn parse_file_name(args: &[String]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `InitGenerateError` is never constructed
[INFO] [stdout]   --> src/commands/generate.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct InitGenerateError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `f_type` is never read
[INFO] [stdout]  --> src/parser/opt.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct ParsedOpt {
[INFO] [stdout]   |                   --------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout] 4 |     f_type: FlagType,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsedOpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_flag` and `verify` are never used
[INFO] [stdout]   --> src/parser/opt.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl ParsedOpt {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn is_flag(flag: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub(crate) fn verify(&self, name: &str, args: Option<Vec<String>>) -> bool {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:23:71
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(args: &'args[String], expected: Vec<OptDescriptor>) -> OptParser {
[INFO] [stdout]    |                       ----- the lifetime is named here                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'args`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(args: &'args[String], expected: Vec<OptDescriptor>) -> OptParser<'args> {
[INFO] [stdout]    |                                                                                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `InitBenchmarkError` is never constructed
[INFO] [stdout]   --> src/commands/benchmark.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InitBenchmarkError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsa_arbitray_precision` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] warning: function `parse_file_name` is never used
[INFO] [stdout]   --> src/commands/util.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn parse_file_name(args: &[String]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `InitGenerateError` is never constructed
[INFO] [stdout]   --> src/commands/generate.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct InitGenerateError {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `f_type` is never read
[INFO] [stdout]  --> src/parser/opt.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) struct ParsedOpt {
[INFO] [stdout]   |                   --------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout] 4 |     f_type: FlagType,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsedOpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_flag` is never used
[INFO] [stdout]   --> src/parser/opt.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl ParsedOpt {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn is_flag(flag: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:23:71
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(args: &'args[String], expected: Vec<OptDescriptor>) -> OptParser {
[INFO] [stdout]    |                       ----- the lifetime is named here                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'args`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(args: &'args[String], expected: Vec<OptDescriptor>) -> OptParser<'args> {
[INFO] [stdout]    |                                                                                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsa_arbitray_precision` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6e5903cda094b21f4d5e894e8a83045ab5977747ae54050320cf74173c24a9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5903cda094b21f4d5e894e8a83045ab5977747ae54050320cf74173c24a9ff", kill_on_drop: false }`
[INFO] [stdout] 6e5903cda094b21f4d5e894e8a83045ab5977747ae54050320cf74173c24a9ff
