[INFO] cloning repository https://github.com/gavrielrh/recursion-benchmarking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gavrielrh/recursion-benchmarking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavrielrh%2Frecursion-benchmarking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavrielrh%2Frecursion-benchmarking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f644eff389f2be894220286d15a11328cf141b6 [INFO] checking gavrielrh/recursion-benchmarking against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavrielrh%2Frecursion-benchmarking" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gavrielrh/recursion-benchmarking on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gavrielrh/recursion-benchmarking [INFO] finished tweaking git repo https://github.com/gavrielrh/recursion-benchmarking [INFO] tweaked toml for git repo https://github.com/gavrielrh/recursion-benchmarking written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gavrielrh/recursion-benchmarking 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bb5a97efb958f1ae2d7e1332077aeb353a0271f2184eb90ea497cfc5d9bae43 [INFO] running `Command { std: "docker" "start" "-a" "5bb5a97efb958f1ae2d7e1332077aeb353a0271f2184eb90ea497cfc5d9bae43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bb5a97efb958f1ae2d7e1332077aeb353a0271f2184eb90ea497cfc5d9bae43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb5a97efb958f1ae2d7e1332077aeb353a0271f2184eb90ea497cfc5d9bae43", kill_on_drop: false }` [INFO] [stdout] 5bb5a97efb958f1ae2d7e1332077aeb353a0271f2184eb90ea497cfc5d9bae43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5289791dbfb6d0d2e95d2ddbc1b350c7dab0caef007943ff20c0c3e1034888bb [INFO] running `Command { std: "docker" "start" "-a" "5289791dbfb6d0d2e95d2ddbc1b350c7dab0caef007943ff20c0c3e1034888bb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking recursion v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:189:52 [INFO] [stdout] | [INFO] [stdout] 189 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:189:52 [INFO] [stdout] | [INFO] [stdout] 189 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:210:49 [INFO] [stdout] | [INFO] [stdout] 210 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:210:49 [INFO] [stdout] | [INFO] [stdout] 210 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for i in 3..(n+1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for i in 3..(n+1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::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: unused variable: `i` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | for i in 0..len { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | for i in 0..len { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `data` is never read [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut data: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `data` is never read [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut data: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sort_time` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:230:17 [INFO] [stdout] | [INFO] [stdout] 230 | let n = a.len() as i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fibo_time` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_test_vec_files` is never used [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn make_test_vec_files(start: i32, end: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pick` is never used [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn pick(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_rand_vector` is never used [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn get_rand_vector(len: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_vec_to_file` is never used [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn save_vec_to_file(v: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vector_from_file` is never used [INFO] [stdout] --> src/main.rs:196:4 [INFO] [stdout] | [INFO] [stdout] 196 | fn read_vector_from_file(p: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:241:17 [INFO] [stdout] | [INFO] [stdout] 241 | let n = a.len() as i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sort_time` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fibo_time` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_test_vec_files` is never used [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn make_test_vec_files(start: i32, end: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pick` is never used [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn pick(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_rand_vector` is never used [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn get_rand_vector(len: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_vec_to_file` is never used [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn save_vec_to_file(v: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | test::black_box(|| quicksort_rec(&mut a)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | test::black_box(|| quicksort_iter(&mut a)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | test::black_box(|| fibo_iter(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | test::black_box(|| fibo_iter(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 272 | test::black_box(|| fibo_rec_memoized(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "5289791dbfb6d0d2e95d2ddbc1b350c7dab0caef007943ff20c0c3e1034888bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5289791dbfb6d0d2e95d2ddbc1b350c7dab0caef007943ff20c0c3e1034888bb", kill_on_drop: false }` [INFO] [stdout] 5289791dbfb6d0d2e95d2ddbc1b350c7dab0caef007943ff20c0c3e1034888bb [INFO] checking gavrielrh/recursion-benchmarking against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavrielrh%2Frecursion-benchmarking" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gavrielrh/recursion-benchmarking on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gavrielrh/recursion-benchmarking [INFO] finished tweaking git repo https://github.com/gavrielrh/recursion-benchmarking [INFO] tweaked toml for git repo https://github.com/gavrielrh/recursion-benchmarking written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gavrielrh/recursion-benchmarking 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72be816742441c1b6c1fae8abc683eadadb61c0a9235632e8afd85dc4f8fb345 [INFO] running `Command { std: "docker" "start" "-a" "72be816742441c1b6c1fae8abc683eadadb61c0a9235632e8afd85dc4f8fb345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72be816742441c1b6c1fae8abc683eadadb61c0a9235632e8afd85dc4f8fb345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72be816742441c1b6c1fae8abc683eadadb61c0a9235632e8afd85dc4f8fb345", kill_on_drop: false }` [INFO] [stdout] 72be816742441c1b6c1fae8abc683eadadb61c0a9235632e8afd85dc4f8fb345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b20c26ecb1355a3cddd61b4d2fb6a7f333541aa0a4386e354e2e9a64b668d00 [INFO] running `Command { std: "docker" "start" "-a" "7b20c26ecb1355a3cddd61b4d2fb6a7f333541aa0a4386e354e2e9a64b668d00", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking recursion v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:189:52 [INFO] [stdout] | [INFO] [stdout] 189 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:210:49 [INFO] [stdout] | [INFO] [stdout] 210 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for i in 3..(n+1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:189:52 [INFO] [stdout] | [INFO] [stdout] 189 | ... why.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:203:49 [INFO] [stdout] | [INFO] [stdout] 203 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:210:49 [INFO] [stdout] | [INFO] [stdout] 210 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::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: unused variable: `i` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | for i in 0..len { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `data` is never read [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut data: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for i in 3..(n+1) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sort_time` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fibo_time` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_test_vec_files` is never used [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn make_test_vec_files(start: i32, end: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pick` is never used [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn pick(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_rand_vector` is never used [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn get_rand_vector(len: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_vec_to_file` is never used [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn save_vec_to_file(v: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vector_from_file` is never used [INFO] [stdout] --> src/main.rs:196:4 [INFO] [stdout] | [INFO] [stdout] 196 | fn read_vector_from_file(p: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:186:11 [INFO] [stdout] | [INFO] [stdout] 178 | let mut file = match File::create(&path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 179 | Err(why) => panic!("couldn't create {}: {}", [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 182 | Ok(file) => file, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | match file.write_all(format!("{:?}",v).as_bytes()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | let mut v: Vec = Vec::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: unused variable: `i` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | for i in 0..len { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `data` is never read [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut data: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:230:17 [INFO] [stdout] | [INFO] [stdout] 230 | let n = a.len() as i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:241:17 [INFO] [stdout] | [INFO] [stdout] 241 | let n = a.len() as i32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sort_time` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fibo_time` is never used [INFO] [stdout] --> src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_test_vec_files` is never used [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn make_test_vec_files(start: i32, end: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pick` is never used [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn pick(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_rand_vector` is never used [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn get_rand_vector(len: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_vec_to_file` is never used [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn save_vec_to_file(v: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:186:11 [INFO] [stdout] | [INFO] [stdout] 178 | let mut file = match File::create(&path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 179 | Err(why) => panic!("couldn't create {}: {}", [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 182 | Ok(file) => file, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | match file.write_all(format!("{:?}",v).as_bytes()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `recursion` (bin "recursion") due to 2 previous errors; 17 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | test::black_box(|| quicksort_rec(&mut a)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | test::black_box(|| quicksort_iter(&mut a)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | test::black_box(|| fibo_iter(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | test::black_box(|| fibo_iter(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/main.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 272 | test::black_box(|| fibo_rec_memoized(n)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `recursion` (bin "recursion" test) due to 2 previous errors; 23 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7b20c26ecb1355a3cddd61b4d2fb6a7f333541aa0a4386e354e2e9a64b668d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b20c26ecb1355a3cddd61b4d2fb6a7f333541aa0a4386e354e2e9a64b668d00", kill_on_drop: false }` [INFO] [stdout] 7b20c26ecb1355a3cddd61b4d2fb6a7f333541aa0a4386e354e2e9a64b668d00