[INFO] cloning repository https://github.com/cadaverine/huge-fibonacci-modulo [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cadaverine/huge-fibonacci-modulo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadaverine%2Fhuge-fibonacci-modulo"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadaverine%2Fhuge-fibonacci-modulo'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c874c6011284aa96f0582e0b4e3608aa08fd30d9 [INFO] checking cadaverine/huge-fibonacci-modulo against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadaverine%2Fhuge-fibonacci-modulo" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cadaverine/huge-fibonacci-modulo on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5 [INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cadaverine/huge-fibonacci-modulo [INFO] finished tweaking git repo https://github.com/cadaverine/huge-fibonacci-modulo [INFO] tweaked toml for git repo https://github.com/cadaverine/huge-fibonacci-modulo written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/cadaverine/huge-fibonacci-modulo already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 68b1ca95dfdef33f2d75b8df77a7e0c850ae4f47c39a22cfd3cc3a374561a4f7 [INFO] running `"docker" "start" "-a" "68b1ca95dfdef33f2d75b8df77a7e0c850ae4f47c39a22cfd3cc3a374561a4f7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking huge_fibonacci_modulo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `start_pizano_idx` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let start_pizano_idx = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pizano_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end_pizano_idx` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut end_pizano_idx = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_pizano_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycle_value` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut cycle_value = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycle_counter` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut cycle_counter = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_counter` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut end_pizano_idx = 1; [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut cycle_value = 1; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut cycle_counter = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_pizano_idx` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let start_pizano_idx = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pizano_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `end_pizano_idx` [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut end_pizano_idx = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_pizano_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycle_value` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut cycle_value = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycle_counter` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut cycle_counter = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_counter` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut end_pizano_idx = 1; [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut cycle_value = 1; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut cycle_counter = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `"docker" "inspect" "68b1ca95dfdef33f2d75b8df77a7e0c850ae4f47c39a22cfd3cc3a374561a4f7"` [INFO] running `"docker" "rm" "-f" "68b1ca95dfdef33f2d75b8df77a7e0c850ae4f47c39a22cfd3cc3a374561a4f7"` [INFO] [stdout] 68b1ca95dfdef33f2d75b8df77a7e0c850ae4f47c39a22cfd3cc3a374561a4f7