[INFO] cloning repository https://github.com/DouglasNtz/Merge_sort [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DouglasNtz/Merge_sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDouglasNtz%2FMerge_sort", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDouglasNtz%2FMerge_sort'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40fd8a8af04a132f6726b9e12e6425d8e7b24d13 [INFO] building DouglasNtz/Merge_sort against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDouglasNtz%2FMerge_sort" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DouglasNtz/Merge_sort on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DouglasNtz/Merge_sort [INFO] finished tweaking git repo https://github.com/DouglasNtz/Merge_sort [INFO] tweaked toml for git repo https://github.com/DouglasNtz/Merge_sort written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/DouglasNtz/Merge_sort 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_chacha v0.9.0-alpha.1 [INFO] [stderr] Downloaded rand v0.9.0-alpha.1 [INFO] [stderr] Downloaded rand_core v0.9.0-alpha.1 [INFO] [stderr] Downloaded zerocopy-derive v0.8.0-alpha.6 [INFO] [stderr] Downloaded zerocopy v0.8.0-alpha.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e20c7f445d56677d730be93cac0e8cbec6588921fd5b2b8bbb4735b6da0362bc [INFO] running `Command { std: "docker" "start" "-a" "e20c7f445d56677d730be93cac0e8cbec6588921fd5b2b8bbb4735b6da0362bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e20c7f445d56677d730be93cac0e8cbec6588921fd5b2b8bbb4735b6da0362bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e20c7f445d56677d730be93cac0e8cbec6588921fd5b2b8bbb4735b6da0362bc", kill_on_drop: false }` [INFO] [stdout] e20c7f445d56677d730be93cac0e8cbec6588921fd5b2b8bbb4735b6da0362bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36a04389ff5cc19ab6deff9828c4ffbea30d36ab9d4bdf5d77e5eb71111cf207 [INFO] running `Command { std: "docker" "start" "-a" "36a04389ff5cc19ab6deff9828c4ffbea30d36ab9d4bdf5d77e5eb71111cf207", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling zerocopy v0.8.0-alpha.6 [INFO] [stderr] Compiling getrandom v0.2.14 [INFO] [stderr] Compiling rand_core v0.9.0-alpha.1 [INFO] [stderr] Compiling rand_chacha v0.9.0-alpha.1 [INFO] [stderr] Compiling rand v0.9.0-alpha.1 [INFO] [stderr] Compiling lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/proof_algorithms.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `v0` is never read [INFO] [stdout] --> src/algorithms.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut v0 = Vec::with_capacity(v.len()); [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 `count` is never read [INFO] [stdout] --> src/performance_algorithms.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_merge_sort_proof_stability` is never used [INFO] [stdout] --> src/proof_algorithms.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub(super) fn my_merge_sort_proof_stability(v: &mut Vec<(T, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_vector` is never used [INFO] [stdout] --> src/proof_algorithms.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn sort_vector(slice: &[(T, usize)]) -> Vec<(T, usize)> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_sorted_vectors` is never used [INFO] [stdout] --> src/proof_algorithms.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn merge_sorted_vectors(v_left: Vec<(T, usize)>, v_rigth: Vec<(T, usize)>) -> Vec<(T, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_merge_sort_optmized_proof_stability` is never used [INFO] [stdout] --> src/proof_algorithms.rs:56:15 [INFO] [stdout] | [INFO] [stdout] 56 | pub(super) fn my_merge_sort_optmized_proof_stability(v: &mut Vec<(T, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `My_merge_sort` should have an upper camel case name [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum My_merge_sort { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyMergeSort` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `My_merge_sort_optmized` should have an upper camel case name [INFO] [stdout] --> src/main.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | enum My_merge_sort_optmized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyMergeSortOptmized` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "36a04389ff5cc19ab6deff9828c4ffbea30d36ab9d4bdf5d77e5eb71111cf207", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36a04389ff5cc19ab6deff9828c4ffbea30d36ab9d4bdf5d77e5eb71111cf207", kill_on_drop: false }` [INFO] [stdout] 36a04389ff5cc19ab6deff9828c4ffbea30d36ab9d4bdf5d77e5eb71111cf207 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 728a66c10346e9e80e854ca58122b06dda3143bca3a6882ad1cb5cfd01fb71e8 [INFO] running `Command { std: "docker" "start" "-a" "728a66c10346e9e80e854ca58122b06dda3143bca3a6882ad1cb5cfd01fb71e8", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/proof_algorithms.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `v0` is never read [INFO] [stdout] --> src/algorithms.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut v0 = Vec::with_capacity(v.len()); [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] [stderr] Compiling lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/performance_algorithms.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_merge_sort_proof_stability` is never used [INFO] [stdout] --> src/proof_algorithms.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub(super) fn my_merge_sort_proof_stability(v: &mut Vec<(T, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_vector` is never used [INFO] [stdout] --> src/proof_algorithms.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn sort_vector(slice: &[(T, usize)]) -> Vec<(T, usize)> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_sorted_vectors` is never used [INFO] [stdout] --> src/proof_algorithms.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn merge_sorted_vectors(v_left: Vec<(T, usize)>, v_rigth: Vec<(T, usize)>) -> Vec<(T, usize)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_merge_sort_optmized_proof_stability` is never used [INFO] [stdout] --> src/proof_algorithms.rs:56:15 [INFO] [stdout] | [INFO] [stdout] 56 | pub(super) fn my_merge_sort_optmized_proof_stability(v: &mut Vec<(T, usize)>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `My_merge_sort` should have an upper camel case name [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum My_merge_sort { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyMergeSort` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Debug` [INFO] [stdout] --> src/proof_algorithms.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::Debug; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `My_merge_sort_optmized` should have an upper camel case name [INFO] [stdout] --> src/main.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | enum My_merge_sort_optmized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyMergeSortOptmized` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `v0` is never read [INFO] [stdout] --> src/algorithms.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | let mut v0 = Vec::with_capacity(v.len()); [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 `count` is never read [INFO] [stdout] --> src/performance_algorithms.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "728a66c10346e9e80e854ca58122b06dda3143bca3a6882ad1cb5cfd01fb71e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "728a66c10346e9e80e854ca58122b06dda3143bca3a6882ad1cb5cfd01fb71e8", kill_on_drop: false }` [INFO] [stdout] 728a66c10346e9e80e854ca58122b06dda3143bca3a6882ad1cb5cfd01fb71e8