[INFO] cloning repository https://github.com/dctk/algorithm_rust_sort_sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dctk/algorithm_rust_sort_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 512c664dd9921e1b4099624b4d8ccde937216c12 [INFO] checking dctk/algorithm_rust_sort_sample against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample" "/workspace/builds/worker-72/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dctk/algorithm_rust_sort_sample on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dctk/algorithm_rust_sort_sample [INFO] finished tweaking git repo https://github.com/dctk/algorithm_rust_sort_sample [INFO] tweaked toml for git repo https://github.com/dctk/algorithm_rust_sort_sample written to /workspace/builds/worker-72/source/Cargo.toml [INFO] crate git repo https://github.com/dctk/algorithm_rust_sort_sample already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6153d3f42e3308b48b3c62bc21828475d6adac3b95311e5be1a4b8443d3dc54 [INFO] running `Command { std: "docker" "start" "-a" "d6153d3f42e3308b48b3c62bc21828475d6adac3b95311e5be1a4b8443d3dc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6153d3f42e3308b48b3c62bc21828475d6adac3b95311e5be1a4b8443d3dc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6153d3f42e3308b48b3c62bc21828475d6adac3b95311e5be1a4b8443d3dc54", kill_on_drop: false }` [INFO] [stdout] d6153d3f42e3308b48b3c62bc21828475d6adac3b95311e5be1a4b8443d3dc54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 548784fca121d2513984d070207da2606693788b9187c3099e22eb47ff965376 [INFO] running `Command { std: "docker" "start" "-a" "548784fca121d2513984d070207da2606693788b9187c3099e22eb47ff965376", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking algorithm_rust_sort_sample v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | 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:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | for i in 0..10000 { [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: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 30 | / proc_time!({ [INFO] [stdout] 31 | | sort::bubble_sort(&mut data); [INFO] [stdout] 32 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 43 | / proc_time!({ [INFO] [stdout] 44 | | let len =data.len(); [INFO] [stdout] 45 | | sort::quick_sort(&mut data,0,len-1); [INFO] [stdout] 46 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 57 | / proc_time!({ [INFO] [stdout] 58 | | let len =data.len(); [INFO] [stdout] 59 | | sort::merge_sort(&mut data,0,len-1); [INFO] [stdout] 60 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 71 | / proc_time!({ [INFO] [stdout] 72 | | sort::comb_sort(&mut data); [INFO] [stdout] 73 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 84 | / proc_time!({ [INFO] [stdout] 85 | | sort::insert_sort(&mut data); [INFO] [stdout] 86 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flg` is never read [INFO] [stdout] --> src/sort.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut flg = false; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | for i in 0..10000 { [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: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 30 | / proc_time!({ [INFO] [stdout] 31 | | sort::bubble_sort(&mut data); [INFO] [stdout] 32 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 43 | / proc_time!({ [INFO] [stdout] 44 | | let len =data.len(); [INFO] [stdout] 45 | | sort::quick_sort(&mut data,0,len-1); [INFO] [stdout] 46 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 57 | / proc_time!({ [INFO] [stdout] 58 | | let len =data.len(); [INFO] [stdout] 59 | | sort::merge_sort(&mut data,0,len-1); [INFO] [stdout] 60 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 71 | / proc_time!({ [INFO] [stdout] 72 | | sort::comb_sort(&mut data); [INFO] [stdout] 73 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let result = $proc; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] ... [INFO] [stdout] 84 | / proc_time!({ [INFO] [stdout] 85 | | sort::insert_sort(&mut data); [INFO] [stdout] 86 | | }); [INFO] [stdout] | |__________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `proc_time` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flg` is never read [INFO] [stdout] --> src/sort.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut flg = false; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "548784fca121d2513984d070207da2606693788b9187c3099e22eb47ff965376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "548784fca121d2513984d070207da2606693788b9187c3099e22eb47ff965376", kill_on_drop: false }` [INFO] [stdout] 548784fca121d2513984d070207da2606693788b9187c3099e22eb47ff965376