[INFO] cloning repository https://github.com/KryptSai/Merkel-Root [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KryptSai/Merkel-Root" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKryptSai%2FMerkel-Root", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKryptSai%2FMerkel-Root'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d9c3b6819b1ed75ac3db08660a7b609cc98929f [INFO] checking KryptSai/Merkel-Root against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKryptSai%2FMerkel-Root" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KryptSai/Merkel-Root on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KryptSai/Merkel-Root [INFO] finished tweaking git repo https://github.com/KryptSai/Merkel-Root [INFO] tweaked toml for git repo https://github.com/KryptSai/Merkel-Root written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KryptSai/Merkel-Root 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 588c7d516dc278b76922fd8c9691989f6443ad9a515c77ad76039fa9eae47916 [INFO] running `Command { std: "docker" "start" "-a" "588c7d516dc278b76922fd8c9691989f6443ad9a515c77ad76039fa9eae47916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "588c7d516dc278b76922fd8c9691989f6443ad9a515c77ad76039fa9eae47916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "588c7d516dc278b76922fd8c9691989f6443ad9a515c77ad76039fa9eae47916", kill_on_drop: false }` [INFO] [stdout] 588c7d516dc278b76922fd8c9691989f6443ad9a515c77ad76039fa9eae47916 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b253a13a56b4a4d69477bbfc13f7628a170c9ab0526ab88941e7a72dd34247dd [INFO] running `Command { std: "docker" "start" "-a" "b253a13a56b4a4d69477bbfc13f7628a170c9ab0526ab88941e7a72dd34247dd", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling async-trait v0.1.73 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.7 [INFO] [stderr] Checking sha256 v1.4.0 [INFO] [stderr] Checking merkel_tree1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Sha256Digest`, `try_digest` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use sha256::{digest, try_digest, Sha256Digest}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `node` should have an upper camel case name [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct node { //node struct contains data part, left node, right node [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:53:27 [INFO] [stdout] | [INFO] [stdout] 53 | data : digest((C[i].data.clone() + &C[i+1].data.clone())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 53 - data : digest((C[i].data.clone() + &C[i+1].data.clone())), [INFO] [stdout] 53 + data : digest(C[i].data.clone() + &C[i+1].data.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..n { [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: fields `left_node` and `right_node` are never read [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct node { //node struct contains data part, left node, right node [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | data:String, [INFO] [stdout] 9 | left_node:Option>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | right_node:Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut A:Vec = Vec ::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `B` should have a snake case name [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut B: Vec = Vec::new(); // Making an array B which contains the hash of the strings of A. [INFO] [stdout] | ^ help: convert the identifier to snake case: `b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `C` should have a snake case name [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut C:Vec = Vec::new();// [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `D` should have a snake case name [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut D:Vec = Vec::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sha256Digest`, `try_digest` [INFO] [stdout] --> src/main.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use sha256::{digest, try_digest, Sha256Digest}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `node` should have an upper camel case name [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct node { //node struct contains data part, left node, right node [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:53:27 [INFO] [stdout] | [INFO] [stdout] 53 | data : digest((C[i].data.clone() + &C[i+1].data.clone())), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 53 - data : digest((C[i].data.clone() + &C[i+1].data.clone())), [INFO] [stdout] 53 + data : digest(C[i].data.clone() + &C[i+1].data.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..n { [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: fields `left_node` and `right_node` are never read [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct node { //node struct contains data part, left node, right node [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | data:String, [INFO] [stdout] 9 | left_node:Option>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | right_node:Option>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `A` should have a snake case name [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut A:Vec = Vec ::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `B` should have a snake case name [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut B: Vec = Vec::new(); // Making an array B which contains the hash of the strings of A. [INFO] [stdout] | ^ help: convert the identifier to snake case: `b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `C` should have a snake case name [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut C:Vec = Vec::new();// [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `D` should have a snake case name [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut D:Vec = Vec::new(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s [INFO] running `Command { std: "docker" "inspect" "b253a13a56b4a4d69477bbfc13f7628a170c9ab0526ab88941e7a72dd34247dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b253a13a56b4a4d69477bbfc13f7628a170c9ab0526ab88941e7a72dd34247dd", kill_on_drop: false }` [INFO] [stdout] b253a13a56b4a4d69477bbfc13f7628a170c9ab0526ab88941e7a72dd34247dd