[INFO] cloning repository https://github.com/AlexDebug/ffactor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexDebug/ffactor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDebug%2Fffactor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDebug%2Fffactor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6829ad4edf9fb07665196bc1681b36de5bbb496
[INFO] testing AlexDebug/ffactor against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDebug%2Fffactor" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexDebug/ffactor
[INFO] finished tweaking git repo https://github.com/AlexDebug/ffactor
[INFO] tweaked toml for git repo https://github.com/AlexDebug/ffactor written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexDebug/ffactor on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexDebug/ffactor 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd7c5139f5f121f6d5f8822cee6618a21aff2de60637f41476933872b96373b
[INFO] running `Command { std: "docker" "start" "-a" "4bd7c5139f5f121f6d5f8822cee6618a21aff2de60637f41476933872b96373b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd7c5139f5f121f6d5f8822cee6618a21aff2de60637f41476933872b96373b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd7c5139f5f121f6d5f8822cee6618a21aff2de60637f41476933872b96373b", kill_on_drop: false }`
[INFO] [stdout] 4bd7c5139f5f121f6d5f8822cee6618a21aff2de60637f41476933872b96373b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4790d0ed3bf7c5980f96403eb9b465949c507a62443a4d82bd33ad60b4f8e8e4
[INFO] running `Command { std: "docker" "start" "-a" "4790d0ed3bf7c5980f96403eb9b465949c507a62443a4d82bd33ad60b4f8e8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling prettytable-rs v0.10.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling ffactor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cell` and `Row`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::{Table, Row, Cell};
[INFO] [stdout]   |                          ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/calc.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{self, spawn};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/calc.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut r = calc::factorize(n);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     stdout.write(to_print.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = stdout.write(to_print.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     stdout.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let _ = stdout.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "4790d0ed3bf7c5980f96403eb9b465949c507a62443a4d82bd33ad60b4f8e8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4790d0ed3bf7c5980f96403eb9b465949c507a62443a4d82bd33ad60b4f8e8e4", kill_on_drop: false }`
[INFO] [stdout] 4790d0ed3bf7c5980f96403eb9b465949c507a62443a4d82bd33ad60b4f8e8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 306d5942aef9cc2c03498c2825156c231c9496a8ebfdb351289d358a605f608d
[INFO] running `Command { std: "docker" "start" "-a" "306d5942aef9cc2c03498c2825156c231c9496a8ebfdb351289d358a605f608d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffactor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cell` and `Row`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::{Table, Row, Cell};
[INFO] [stdout]   |                          ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/calc.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{self, spawn};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/calc.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Mutex, Arc};
[INFO] [stdout]   |                 ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut r = calc::factorize(n);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     stdout.write(to_print.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = stdout.write(to_print.as_bytes());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     stdout.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let _ = stdout.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "306d5942aef9cc2c03498c2825156c231c9496a8ebfdb351289d358a605f608d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306d5942aef9cc2c03498c2825156c231c9496a8ebfdb351289d358a605f608d", kill_on_drop: false }`
[INFO] [stdout] 306d5942aef9cc2c03498c2825156c231c9496a8ebfdb351289d358a605f608d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dcf3ec07c60a909e2209eb91cc2ef91ed2af2da0ce0f0f93500d86417f49114
[INFO] running `Command { std: "docker" "start" "-a" "6dcf3ec07c60a909e2209eb91cc2ef91ed2af2da0ce0f0f93500d86417f49114", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Cell` and `Row`
[INFO] [stderr]  --> src/main.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use prettytable::{Table, Row, Cell};
[INFO] [stderr]   |                          ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/calc.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread::{self, spawn};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc` and `Mutex`
[INFO] [stderr]  --> src/calc.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Mutex, Arc};
[INFO] [stderr]   |                 ^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let mut r = calc::factorize(n);
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     stdout.write(to_print.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let _ = stdout.write(to_print.as_bytes());
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     stdout.flush();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let _ = stdout.flush();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ffactor` (bin "ffactor" test) generated 6 warnings (run `cargo fix --bin "ffactor" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ffactor-e401f76ee09c1c08)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_even ... ok
[INFO] [stdout] test test::test_square ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dcf3ec07c60a909e2209eb91cc2ef91ed2af2da0ce0f0f93500d86417f49114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcf3ec07c60a909e2209eb91cc2ef91ed2af2da0ce0f0f93500d86417f49114", kill_on_drop: false }`
[INFO] [stdout] 6dcf3ec07c60a909e2209eb91cc2ef91ed2af2da0ce0f0f93500d86417f49114
