[INFO] cloning repository https://github.com/Jabbslad/computer_science_problems_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jabbslad/computer_science_problems_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabbslad%2Fcomputer_science_problems_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabbslad%2Fcomputer_science_problems_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f227beebd4bc119cff1d443469e6430f87c0b7e [INFO] checking Jabbslad/computer_science_problems_in_rust against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabbslad%2Fcomputer_science_problems_in_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jabbslad/computer_science_problems_in_rust on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jabbslad/computer_science_problems_in_rust [INFO] finished tweaking git repo https://github.com/Jabbslad/computer_science_problems_in_rust [INFO] tweaked toml for git repo https://github.com/Jabbslad/computer_science_problems_in_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Jabbslad/computer_science_problems_in_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] ed773c8cdfb3818eb458bd712609155d41e6ce67247fd5819e5ce080d1e522c6 [INFO] running `Command { std: "docker" "start" "-a" "ed773c8cdfb3818eb458bd712609155d41e6ce67247fd5819e5ce080d1e522c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed773c8cdfb3818eb458bd712609155d41e6ce67247fd5819e5ce080d1e522c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed773c8cdfb3818eb458bd712609155d41e6ce67247fd5819e5ce080d1e522c6", kill_on_drop: false }` [INFO] [stdout] ed773c8cdfb3818eb458bd712609155d41e6ce67247fd5819e5ce080d1e522c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1b7182b2e6fb1a3637f24b23d1cb256c3f38cb71ff3e1e4ec86cf6c4a85fdb9 [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" "b1b7182b2e6fb1a3637f24b23d1cb256c3f38cb71ff3e1e4ec86cf6c4a85fdb9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking computer_science_problems_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `fib_m` [INFO] [stdout] --> src/fib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn fib_m(m: &mut HashMap, n: i64) -> i64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fib_mem` [INFO] [stdout] --> src/fib.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn fib_mem(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fib_iter` [INFO] [stdout] --> src/fib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn fib_iter(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fib_no_tr` [INFO] [stdout] --> src/fib.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn fib_no_tr(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `BitPair` [INFO] [stdout] --> src/compression.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | type BitPair = (bool, bool); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compress2` [INFO] [stdout] --> src/compression.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn compress2(s: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decompress` [INFO] [stdout] --> src/compression.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn decompress(v: &Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compress` [INFO] [stdout] --> src/compression.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compress(s: String) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `random_key` [INFO] [stdout] --> src/encryption.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn random_key(n: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.79s [INFO] running `Command { std: "docker" "inspect" "b1b7182b2e6fb1a3637f24b23d1cb256c3f38cb71ff3e1e4ec86cf6c4a85fdb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1b7182b2e6fb1a3637f24b23d1cb256c3f38cb71ff3e1e4ec86cf6c4a85fdb9", kill_on_drop: false }` [INFO] [stdout] b1b7182b2e6fb1a3637f24b23d1cb256c3f38cb71ff3e1e4ec86cf6c4a85fdb9