[INFO] cloning repository https://github.com/bolajahmad/programmingbtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bolajahmad/programmingbtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbolajahmad%2Fprogrammingbtc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbolajahmad%2Fprogrammingbtc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35a5aaf09f6b887b82ad8a5bc6226f303428dc86
[INFO] checking bolajahmad/programmingbtc against try#a0cd57eba5d417638d3351ba13fc414ad1a24bec for pr-134688-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbolajahmad%2Fprogrammingbtc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bolajahmad/programmingbtc on toolchain a0cd57eba5d417638d3351ba13fc414ad1a24bec
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/bolajahmad/programmingbtc
[INFO] finished tweaking git repo https://github.com/bolajahmad/programmingbtc
[INFO] tweaked toml for git repo https://github.com/bolajahmad/programmingbtc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bolajahmad/programmingbtc 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" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8d1c02bc01476c2b49444bd6eae5cb7e2b2aefaad5cd60f9b16d9b456ff8ae
[INFO] running `Command { std: "docker" "start" "-a" "bc8d1c02bc01476c2b49444bd6eae5cb7e2b2aefaad5cd60f9b16d9b456ff8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8d1c02bc01476c2b49444bd6eae5cb7e2b2aefaad5cd60f9b16d9b456ff8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8d1c02bc01476c2b49444bd6eae5cb7e2b2aefaad5cd60f9b16d9b456ff8ae", kill_on_drop: false }`
[INFO] [stdout] bc8d1c02bc01476c2b49444bd6eae5cb7e2b2aefaad5cd60f9b16d9b456ff8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+a0cd57eba5d417638d3351ba13fc414ad1a24bec" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8035fb822b7de995f53ac88905261c55ae6be0bf355de2a30f1ceddf53c3f737
[INFO] running `Command { std: "docker" "start" "-a" "8035fb822b7de995f53ac88905261c55ae6be0bf355de2a30f1ceddf53c3f737", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking finite_fields v0.1.0 (/opt/rustwide/workdir/src/finite_fields)
[INFO] [stderr]     Checking elliptic_curve v0.1.0 (/opt/rustwide/workdir/src/elliptic_curve)
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/finite_fields/src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, ops::{Add, Div, Mul, Rem, Sub}};
[INFO] [stdout]   |                                            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Assign`
[INFO] [stdout]  --> src/finite_fields/src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rug::{Integer, Assign};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/finite_fields/src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, ops::{Add, Div, Mul, Rem, Sub}};
[INFO] [stdout]   |                                            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/finite_fields/src/lib.rs:163:11
[INFO] [stdout]     |
[INFO] [stdout] 163 |         );;
[INFO] [stdout]     |           ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_equal` and `is_not_equal` are never used
[INFO] [stdout]   --> src/finite_fields/src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl FieldElement {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn is_equal(&self, other: &FieldElement) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn is_not_equal(&self, other: &FieldElement) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ec_cryptography v0.1.0 (/opt/rustwide/workdir/src/ec_cryptography)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 40s
[INFO] running `Command { std: "docker" "inspect" "8035fb822b7de995f53ac88905261c55ae6be0bf355de2a30f1ceddf53c3f737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8035fb822b7de995f53ac88905261c55ae6be0bf355de2a30f1ceddf53c3f737", kill_on_drop: false }`
[INFO] [stdout] 8035fb822b7de995f53ac88905261c55ae6be0bf355de2a30f1ceddf53c3f737