[INFO] updating cached repository https://github.com/kwannoel/algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb2884575239529b0da700522461e460036cc012 [INFO] testing kwannoel/algorithms against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwannoel%2Falgorithms" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kwannoel/algorithms on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kwannoel/algorithms [INFO] finished tweaking git repo https://github.com/kwannoel/algorithms [INFO] tweaked toml for git repo https://github.com/kwannoel/algorithms written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/kwannoel/algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 440f77fbf1f8586ee30bcfc93ecc91a9452dc693a1222c963e50e8e3e344a5e8 [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" "440f77fbf1f8586ee30bcfc93ecc91a9452dc693a1222c963e50e8e3e344a5e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "440f77fbf1f8586ee30bcfc93ecc91a9452dc693a1222c963e50e8e3e344a5e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "440f77fbf1f8586ee30bcfc93ecc91a9452dc693a1222c963e50e8e3e344a5e8", kill_on_drop: false }` [INFO] [stdout] 440f77fbf1f8586ee30bcfc93ecc91a9452dc693a1222c963e50e8e3e344a5e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1bd086f5798f7159df51cd9d4825b1b6064889e499e16731779e7361eb17c27 [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" "e1bd086f5798f7159df51cd9d4825b1b6064889e499e16731779e7361eb17c27", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `mid` [INFO] [stdout] --> src/sort/merge_sort.rs:50:63 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec, l: usize, mid: usize, r: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bubble_sort` [INFO] [stdout] --> src/sort/bubble_sort.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn bubble_sort(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_sort` [INFO] [stdout] --> src/sort/merge_sort.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn merge_sort(arr: Vec) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge` [INFO] [stdout] --> src/sort/merge_sort.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn merge(arr1: Vec, arr2: Vec) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterative_merge_sort` [INFO] [stdout] --> src/sort/merge_sort.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec, l: usize, mid: usize, r: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insertion_sort` [INFO] [stdout] --> src/sort/insertion_sort.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn insertion_sort(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `selection_sort` [INFO] [stdout] --> src/sort/selection_sort.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn selection_sort(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `quick_sort` [INFO] [stdout] --> src/sort/quick_sort.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn quick_sort(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `knuth_shuffle` [INFO] [stdout] --> src/shuffle.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn knuth_shuffle(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `newPos` should have a snake case name [INFO] [stdout] --> src/shuffle.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let newPos = rng.gen_range(0, i); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `new_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.12s [INFO] running `Command { std: "docker" "inspect" "e1bd086f5798f7159df51cd9d4825b1b6064889e499e16731779e7361eb17c27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1bd086f5798f7159df51cd9d4825b1b6064889e499e16731779e7361eb17c27", kill_on_drop: false }` [INFO] [stdout] e1bd086f5798f7159df51cd9d4825b1b6064889e499e16731779e7361eb17c27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63e3c37c29cc8fac6148a285ef3118766a8b8c60b02ffe6116c32953d0b90427 [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" "63e3c37c29cc8fac6148a285ef3118766a8b8c60b02ffe6116c32953d0b90427", kill_on_drop: false }` [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `mid` [INFO] [stdout] --> src/sort/merge_sort.rs:50:63 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec, l: usize, mid: usize, r: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mid` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterative_merge_sort_wrap` [INFO] [stdout] --> src/sort/merge_sort.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | fn iterative_merge_sort_wrap(arr: &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `newPos` should have a snake case name [INFO] [stdout] --> src/shuffle.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let newPos = rng.gen_range(0, i); [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `new_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "63e3c37c29cc8fac6148a285ef3118766a8b8c60b02ffe6116c32953d0b90427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63e3c37c29cc8fac6148a285ef3118766a8b8c60b02ffe6116c32953d0b90427", kill_on_drop: false }` [INFO] [stdout] 63e3c37c29cc8fac6148a285ef3118766a8b8c60b02ffe6116c32953d0b90427 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 0fc788a959186a686898e70e04c3a9d90b7901e7e7e1782893115e8416b46b91 [INFO] running `Command { std: "docker" "start" "-a" "0fc788a959186a686898e70e04c3a9d90b7901e7e7e1782893115e8416b46b91", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `mid` [INFO] [stderr] --> src/sort/merge_sort.rs:50:63 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec, l: usize, mid: usize, r: usize) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_mid` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterative_merge_sort_wrap` [INFO] [stderr] --> src/sort/merge_sort.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn iterative_merge_sort_wrap(arr: &mut [i32]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `newPos` should have a snake case name [INFO] [stderr] --> src/shuffle.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let newPos = rng.gen_range(0, i); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `new_pos` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/algorithms-a11ef4c702846d60 [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test sort::bubble_sort::test::test5 ... ok [INFO] [stdout] test sort::insertion_sort::test::test3 ... ok [INFO] [stdout] test sort::insertion_sort::test::test4 ... ok [INFO] [stdout] test shuffle::test::test_knuth_shuffle ... ok [INFO] [stdout] test sort::quick_sort::test::test1 ... ok [INFO] [stdout] test sort::insertion_sort::test::test5 ... ok [INFO] [stdout] test sort::quick_sort::test::test2 ... ok [INFO] [stdout] test sort::merge_sort::test::test2 ... ok [INFO] [stdout] test sort::quick_sort::test::test3 ... ok [INFO] [stdout] test sort::selection_sort::test::test1 ... ok [INFO] [stdout] test sort::merge_sort::test::test6 ... ok [INFO] [stdout] test sort::selection_sort::test::test4 ... ok [INFO] [stdout] test sort::selection_sort::test::test3 ... ok [INFO] [stdout] test sort::selection_sort::test::test5 ... ok [INFO] [stdout] test sort::bubble_sort::test::test2 ... ok [INFO] [stdout] test sort::bubble_sort::test::test3 ... ok [INFO] [stdout] test sort::bubble_sort::test::test1 ... ok [INFO] [stdout] test sort::bubble_sort::test::test4 ... ok [INFO] [stdout] test sort::merge_sort::test::test1 ... ok [INFO] [stdout] test sort::merge_sort::test::test3 ... ok [INFO] [stdout] test sort::merge_sort::test::test4 ... ok [INFO] [stdout] test sort::insertion_sort::test::test2 ... ok [INFO] [stdout] test sort::insertion_sort::test::test1 ... ok [INFO] [stdout] test sort::quick_sort::test::test4 ... ok [INFO] [stdout] test sort::selection_sort::test::test2 ... ok [INFO] [stdout] test sort::quick_sort::test::test5 ... ok [INFO] [stdout] test sort::merge_sort::test::test5 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0fc788a959186a686898e70e04c3a9d90b7901e7e7e1782893115e8416b46b91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc788a959186a686898e70e04c3a9d90b7901e7e7e1782893115e8416b46b91", kill_on_drop: false }` [INFO] [stdout] 0fc788a959186a686898e70e04c3a9d90b7901e7e7e1782893115e8416b46b91