[INFO] cloning repository https://github.com/cadaverine/huge-fibonacci-modulo [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadaverine%2Fhuge-fibonacci-modulo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c874c6011284aa96f0582e0b4e3608aa08fd30d9 [INFO] checking cadaverine/huge-fibonacci-modulo/c874c6011284aa96f0582e0b4e3608aa08fd30d9 against master#826b673412d2f579e7865b6f26bc9771c6d3b097 for pr-133397 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadaverine%2Fhuge-fibonacci-modulo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cadaverine/huge-fibonacci-modulo on toolchain 826b673412d2f579e7865b6f26bc9771c6d3b097 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 520a71c75b9eff995c333fd14a1b28e261ed6d880fc9f30c00aedb2ec50107d8 [INFO] running `Command { std: "docker" "start" "-a" "520a71c75b9eff995c333fd14a1b28e261ed6d880fc9f30c00aedb2ec50107d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "520a71c75b9eff995c333fd14a1b28e261ed6d880fc9f30c00aedb2ec50107d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "520a71c75b9eff995c333fd14a1b28e261ed6d880fc9f30c00aedb2ec50107d8", kill_on_drop: false }` [INFO] [stdout] 520a71c75b9eff995c333fd14a1b28e261ed6d880fc9f30c00aedb2ec50107d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 394d4d7cfbb305e71109749a48bdcb09f32c66958acccf4448af0e332fbac2ec [INFO] running `Command { std: "docker" "start" "-a" "394d4d7cfbb305e71109749a48bdcb09f32c66958acccf4448af0e332fbac2ec", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking huge_fibonacci_modulo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `start_pizano_idx` [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let start_pizano_idx = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pizano_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end_pizano_idx` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut end_pizano_idx = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_pizano_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cycle_value` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut cycle_value = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cycle_counter` [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut cycle_counter = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_counter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start_pizano_idx` [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let start_pizano_idx = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_pizano_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end_pizano_idx` [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut end_pizano_idx = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_pizano_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cycle_value` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut cycle_value = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cycle_counter` [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut cycle_counter = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycle_counter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut end_pizano_idx = 1; [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:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut cycle_value = 1; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut end_pizano_idx = 1; [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:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut cycle_counter = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut cycle_value = 1; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut cycle_counter = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "394d4d7cfbb305e71109749a48bdcb09f32c66958acccf4448af0e332fbac2ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "394d4d7cfbb305e71109749a48bdcb09f32c66958acccf4448af0e332fbac2ec", kill_on_drop: false }` [INFO] [stdout] 394d4d7cfbb305e71109749a48bdcb09f32c66958acccf4448af0e332fbac2ec