[INFO] fetching crate ffactor 0.1.3... [INFO] checking ffactor-0.1.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate ffactor 0.1.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate ffactor 0.1.3 [INFO] finished tweaking crates.io crate ffactor 0.1.3 [INFO] tweaked toml for crates.io crate ffactor 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ffactor 0.1.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ffactor 0.1.3 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e3a8e62a003ec94fa2fd2e0549e87a3a4999d904b4e6cebabc950e31019e425 [INFO] running `Command { std: "docker" "start" "-a" "9e3a8e62a003ec94fa2fd2e0549e87a3a4999d904b4e6cebabc950e31019e425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e3a8e62a003ec94fa2fd2e0549e87a3a4999d904b4e6cebabc950e31019e425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e3a8e62a003ec94fa2fd2e0549e87a3a4999d904b4e6cebabc950e31019e425", kill_on_drop: false }` [INFO] [stdout] 9e3a8e62a003ec94fa2fd2e0549e87a3a4999d904b4e6cebabc950e31019e425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76f7502ef0755cad5f3d610e2b9d562d20e5adce1017e9c3d8db98eaef4b1ee2 [INFO] running `Command { std: "docker" "start" "-a" "76f7502ef0755cad5f3d610e2b9d562d20e5adce1017e9c3d8db98eaef4b1ee2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking anstyle-query v1.0.3 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.12 [INFO] [stderr] Checking encode_unicode v1.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking prettytable-rs v0.10.0 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking 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: 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: 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] [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 9.02s [INFO] running `Command { std: "docker" "inspect" "76f7502ef0755cad5f3d610e2b9d562d20e5adce1017e9c3d8db98eaef4b1ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76f7502ef0755cad5f3d610e2b9d562d20e5adce1017e9c3d8db98eaef4b1ee2", kill_on_drop: false }` [INFO] [stdout] 76f7502ef0755cad5f3d610e2b9d562d20e5adce1017e9c3d8db98eaef4b1ee2