[INFO] updating cached repository Noah-Kennedy/rust_ack [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Noah-Kennedy/rust_ack [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Noah-Kennedy/rust_ack" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Noah-Kennedy/rust_ack"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Noah-Kennedy/rust_ack'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Noah-Kennedy/rust_ack" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Noah-Kennedy/rust_ack"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Noah-Kennedy/rust_ack'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b505f611f7388cff578e35ba6917ed3d85d28040 [INFO] sha for GitHub repo Noah-Kennedy/rust_ack: b505f611f7388cff578e35ba6917ed3d85d28040 [INFO] validating manifest of Noah-Kennedy/rust_ack on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Noah-Kennedy/rust_ack on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Noah-Kennedy/rust_ack [INFO] finished frobbing Noah-Kennedy/rust_ack [INFO] frobbed toml for Noah-Kennedy/rust_ack written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Noah-Kennedy/rust_ack/Cargo.toml [INFO] started frobbing Noah-Kennedy/rust_ack [INFO] finished frobbing Noah-Kennedy/rust_ack [INFO] frobbed toml for Noah-Kennedy/rust_ack written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Noah-Kennedy/rust_ack/Cargo.toml [INFO] crate Noah-Kennedy/rust_ack has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Noah-Kennedy/rust_ack against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-2/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Noah-Kennedy/rust_ack:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 75c9e2e5667c654733474e3a1783b6c7739033489dff028f4f9bd23a26df4626 [INFO] running `"docker" "start" "-a" "75c9e2e5667c654733474e3a1783b6c7739033489dff028f4f9bd23a26df4626"` [INFO] [stderr] Checking rust_ack v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::time::Instant` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Instant` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sample_size` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let sample_size = 1000; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_sample_size` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let m = 3; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let n = 8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `printing` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let printing = false; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_printing` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/ackermann_implementations/hyper_ack.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | for i in 1..b { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `benchmark_ack` [INFO] [stderr] --> src/benchmarking/mod.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / pub fn benchmark_ack(fun: fn(u64, u64) -> u64, name: &str, sample_size: u64, m: u64, n: u64, [INFO] [stderr] 4 | | printing: bool) { [INFO] [stderr] 5 | | let mut total: f64 = 0.0; [INFO] [stderr] 6 | | for i in 0..sample_size { [INFO] [stderr] ... | [INFO] [stderr] 29 | | println!("{}({}, {}):\nSample Size:\t{}\nAverage Time:\t{}", name, m, n, sample_size, average); [INFO] [stderr] 30 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `basic_ack` [INFO] [stderr] --> src/ackermann_implementations/basic_ack.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn basic_ack(m: u64, n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sample_size` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let sample_size = 1000; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_sample_size` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let m = 3; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let n = 8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `printing` [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let printing = false; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_printing` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/ackermann_implementations/hyper_ack.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | for i in 1..b { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `benchmark_ack` [INFO] [stderr] --> src/benchmarking/mod.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / pub fn benchmark_ack(fun: fn(u64, u64) -> u64, name: &str, sample_size: u64, m: u64, n: u64, [INFO] [stderr] 4 | | printing: bool) { [INFO] [stderr] 5 | | let mut total: f64 = 0.0; [INFO] [stderr] 6 | | for i in 0..sample_size { [INFO] [stderr] ... | [INFO] [stderr] 29 | | println!("{}({}, {}):\nSample Size:\t{}\nAverage Time:\t{}", name, m, n, sample_size, average); [INFO] [stderr] 30 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `basic_ack` [INFO] [stderr] --> src/ackermann_implementations/basic_ack.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn basic_ack(m: u64, n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "75c9e2e5667c654733474e3a1783b6c7739033489dff028f4f9bd23a26df4626"` [INFO] running `"docker" "rm" "-f" "75c9e2e5667c654733474e3a1783b6c7739033489dff028f4f9bd23a26df4626"` [INFO] [stdout] 75c9e2e5667c654733474e3a1783b6c7739033489dff028f4f9bd23a26df4626