[INFO] cloning repository https://github.com/pemtshewang/leet_code75 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pemtshewang/leet_code75" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ab02e3071b9d7e51c0803441b2e22860476f299 [INFO] building pemtshewang/leet_code75 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemtshewang%2Fleet_code75" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pemtshewang/leet_code75 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pemtshewang/leet_code75 [INFO] finished tweaking git repo https://github.com/pemtshewang/leet_code75 [INFO] tweaked toml for git repo https://github.com/pemtshewang/leet_code75 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/pemtshewang/leet_code75 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77feafdda777d2d9ab69a103b5d49207321ab493d89ce17799232949e6e4558c [INFO] running `Command { std: "docker" "start" "-a" "77feafdda777d2d9ab69a103b5d49207321ab493d89ce17799232949e6e4558c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77feafdda777d2d9ab69a103b5d49207321ab493d89ce17799232949e6e4558c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77feafdda777d2d9ab69a103b5d49207321ab493d89ce17799232949e6e4558c", kill_on_drop: false }` [INFO] [stdout] 77feafdda777d2d9ab69a103b5d49207321ab493d89ce17799232949e6e4558c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27d52729ff4bb095854d0a48bf197a7bfbacd45a05467827c7a9e0f344ecb3ff [INFO] running `Command { std: "docker" "start" "-a" "27d52729ff4bb095854d0a48bf197a7bfbacd45a05467827c7a9e0f344ecb3ff", kill_on_drop: false }` [INFO] [stderr] Compiling leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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: `target` [INFO] [stdout] --> src/main.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut target = String::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut target = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sum` is never used [INFO] [stdout] --> src/lib.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `btt_buy_and_sell` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn btt_buy_and_sell(arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "27d52729ff4bb095854d0a48bf197a7bfbacd45a05467827c7a9e0f344ecb3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27d52729ff4bb095854d0a48bf197a7bfbacd45a05467827c7a9e0f344ecb3ff", kill_on_drop: false }` [INFO] [stdout] 27d52729ff4bb095854d0a48bf197a7bfbacd45a05467827c7a9e0f344ecb3ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cdcfb98fd82c283fc15fb3a6c094af8863a8d21c97fe214ec4dc543b09c2c56 [INFO] running `Command { std: "docker" "start" "-a" "2cdcfb98fd82c283fc15fb3a6c094af8863a8d21c97fe214ec4dc543b09c2c56", kill_on_drop: false }` [INFO] [stderr] Compiling leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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 import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [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: `target` [INFO] [stdout] --> src/main.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut target = String::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut target = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sum` is never used [INFO] [stdout] --> src/lib.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn two_sum(mut arr: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `btt_buy_and_sell` is never used [INFO] [stdout] --> src/lib.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn btt_buy_and_sell(arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "2cdcfb98fd82c283fc15fb3a6c094af8863a8d21c97fe214ec4dc543b09c2c56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cdcfb98fd82c283fc15fb3a6c094af8863a8d21c97fe214ec4dc543b09c2c56", kill_on_drop: false }` [INFO] [stdout] 2cdcfb98fd82c283fc15fb3a6c094af8863a8d21c97fe214ec4dc543b09c2c56