[INFO] cloning repository https://github.com/clinuxrulz/int_fact [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clinuxrulz/int_fact" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fint_fact", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fint_fact'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe2351ec84fae5c22c7272503395f7999b6c6edb [INFO] checking clinuxrulz/int_fact against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fint_fact" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/clinuxrulz/int_fact on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/clinuxrulz/int_fact [INFO] finished tweaking git repo https://github.com/clinuxrulz/int_fact [INFO] tweaked toml for git repo https://github.com/clinuxrulz/int_fact written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/clinuxrulz/int_fact already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c86b6b8b86bf528098aeb686ed6268687a0fd9be92e8ca9fbd99fd38d105b0f [INFO] running `Command { std: "docker" "start" "-a" "2c86b6b8b86bf528098aeb686ed6268687a0fd9be92e8ca9fbd99fd38d105b0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c86b6b8b86bf528098aeb686ed6268687a0fd9be92e8ca9fbd99fd38d105b0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c86b6b8b86bf528098aeb686ed6268687a0fd9be92e8ca9fbd99fd38d105b0f", kill_on_drop: false }` [INFO] [stdout] 2c86b6b8b86bf528098aeb686ed6268687a0fd9be92e8ca9fbd99fd38d105b0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b3242d55fe7169feb9641e38acea8a3913a600e2e9db00a1b383647d4ad9c75 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4b3242d55fe7169feb9641e38acea8a3913a600e2e9db00a1b383647d4ad9c75", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Checking int_fact v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rsa_2048_str` [INFO] [stdout] --> src/main.rs:3050:9 [INFO] [stdout] | [INFO] [stdout] 3050 | let rsa_2048_str = " [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rsa_2048_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visited_pairs` [INFO] [stdout] --> src/main.rs:724:13 [INFO] [stdout] | [INFO] [stdout] 724 | let mut visited_pairs: HashSet<(usize, usize)> = HashSet::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited_pairs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/main.rs:2161:17 [INFO] [stdout] | [INFO] [stdout] 2161 | ref variable, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `variable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:2165:31 [INFO] [stdout] | [INFO] [stdout] 2165 | &SparseTT::Leaf { ref value } => 1, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:724:13 [INFO] [stdout] | [INFO] [stdout] 724 | let mut visited_pairs: HashSet<(usize, usize)> = HashSet::new(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rsa_2048_str` [INFO] [stdout] --> src/main.rs:3050:9 [INFO] [stdout] | [INFO] [stdout] 3050 | let rsa_2048_str = " [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rsa_2048_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `w` is never read [INFO] [stdout] --> src/main.rs:2274:9 [INFO] [stdout] | [INFO] [stdout] 2274 | w /= m; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visited_pairs` [INFO] [stdout] --> src/main.rs:724:13 [INFO] [stdout] | [INFO] [stdout] 724 | let mut visited_pairs: HashSet<(usize, usize)> = HashSet::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited_pairs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variable` [INFO] [stdout] --> src/main.rs:2161:17 [INFO] [stdout] | [INFO] [stdout] 2161 | ref variable, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `variable: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:2165:31 [INFO] [stdout] | [INFO] [stdout] 2165 | &SparseTT::Leaf { ref value } => 1, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:724:13 [INFO] [stdout] | [INFO] [stdout] 724 | let mut visited_pairs: HashSet<(usize, usize)> = HashSet::new(); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.84s [INFO] running `Command { std: "docker" "inspect" "4b3242d55fe7169feb9641e38acea8a3913a600e2e9db00a1b383647d4ad9c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3242d55fe7169feb9641e38acea8a3913a600e2e9db00a1b383647d4ad9c75", kill_on_drop: false }` [INFO] [stdout] 4b3242d55fe7169feb9641e38acea8a3913a600e2e9db00a1b383647d4ad9c75