[INFO] cloning repository https://github.com/rctcwyvrn/rust-fractran
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rctcwyvrn/rust-fractran" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust-fractran", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust-fractran'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17559b364a7766f4d825fbb256d86b3cd6879b1d
[INFO] building rctcwyvrn/rust-fractran against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frctcwyvrn%2Frust-fractran" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rctcwyvrn/rust-fractran
[INFO] finished tweaking git repo https://github.com/rctcwyvrn/rust-fractran
[INFO] tweaked toml for git repo https://github.com/rctcwyvrn/rust-fractran written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rctcwyvrn/rust-fractran on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rctcwyvrn/rust-fractran 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ec2475276ea600f7d79a5f85fc998bf31310f7f2c9a4d8c17bf6b9c8ed973b
[INFO] running `Command { std: "docker" "start" "-a" "06ec2475276ea600f7d79a5f85fc998bf31310f7f2c9a4d8c17bf6b9c8ed973b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ec2475276ea600f7d79a5f85fc998bf31310f7f2c9a4d8c17bf6b9c8ed973b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ec2475276ea600f7d79a5f85fc998bf31310f7f2c9a4d8c17bf6b9c8ed973b", kill_on_drop: false }`
[INFO] [stdout] 06ec2475276ea600f7d79a5f85fc998bf31310f7f2c9a4d8c17bf6b9c8ed973b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729aaf5cd3350e53a08eae9485b8b00eeaecd5467306f36c8bd9be5715216175
[INFO] running `Command { std: "docker" "start" "-a" "729aaf5cd3350e53a08eae9485b8b00eeaecd5467306f36c8bd9be5715216175", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling primes v0.3.0
[INFO] [stderr]    Compiling fractran-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_log` has been stable since 1.67.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_log)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/core.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_basic_engine` is never used
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn execute_basic_engine() {
[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 `execute_register_engine` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn execute_register_engine() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `primes` and `primes_optimized` are never used
[INFO] [stdout]   --> src/core.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Program {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 12 |     pub fn primes() -> Program {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn primes_optimized() -> Program {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FractranEngine` is never used
[INFO] [stdout]   --> src/core.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub trait FractranEngine<Value>: IntoIterator<Item = Value>
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Basic` is never constructed
[INFO] [stdout]  --> src/engines/basic.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Basic {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/engines/basic.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `multiple` and `mult` are never used
[INFO] [stdout]   --> src/engines/basic.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 25 |     fn multiple(&self, denom: FracSize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn mult(&mut self, num: FracSize, denom: FracSize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicIter` is never constructed
[INFO] [stdout]   --> src/engines/basic.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct BasicIter {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/engines/basic.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl BasicIter {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 66 |     fn from(engine: Basic) -> BasicIter {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "729aaf5cd3350e53a08eae9485b8b00eeaecd5467306f36c8bd9be5715216175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729aaf5cd3350e53a08eae9485b8b00eeaecd5467306f36c8bd9be5715216175", kill_on_drop: false }`
[INFO] [stdout] 729aaf5cd3350e53a08eae9485b8b00eeaecd5467306f36c8bd9be5715216175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2747b74bd6bfa275c46f17e77cbf0accfda8cc6ab12316863bdef2bcdebeeda
[INFO] running `Command { std: "docker" "start" "-a" "c2747b74bd6bfa275c46f17e77cbf0accfda8cc6ab12316863bdef2bcdebeeda", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractran-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_log` has been stable since 1.67.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_log)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/core.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_basic_engine` is never used
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn execute_basic_engine() {
[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 `execute_register_engine` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn execute_register_engine() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `primes` and `primes_optimized` are never used
[INFO] [stdout]   --> src/core.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Program {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 12 |     pub fn primes() -> Program {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn primes_optimized() -> Program {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FractranEngine` is never used
[INFO] [stdout]   --> src/core.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub trait FractranEngine<Value>: IntoIterator<Item = Value>
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Basic` is never constructed
[INFO] [stdout]  --> src/engines/basic.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Basic {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/engines/basic.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `multiple` and `mult` are never used
[INFO] [stdout]   --> src/engines/basic.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 25 |     fn multiple(&self, denom: FracSize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn mult(&mut self, num: FracSize, denom: FracSize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicIter` is never constructed
[INFO] [stdout]   --> src/engines/basic.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct BasicIter {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/engines/basic.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl BasicIter {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 66 |     fn from(engine: Basic) -> BasicIter {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c2747b74bd6bfa275c46f17e77cbf0accfda8cc6ab12316863bdef2bcdebeeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2747b74bd6bfa275c46f17e77cbf0accfda8cc6ab12316863bdef2bcdebeeda", kill_on_drop: false }`
[INFO] [stdout] c2747b74bd6bfa275c46f17e77cbf0accfda8cc6ab12316863bdef2bcdebeeda
