[INFO] cloning repository https://github.com/Aliozzaim/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aliozzaim/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliozzaim%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliozzaim%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe1ff16a664a396c02049fd793dce7883889298b
[INFO] testing Aliozzaim/Rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliozzaim%2FRust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aliozzaim/Rust
[INFO] finished tweaking git repo https://github.com/Aliozzaim/Rust
[INFO] tweaked toml for git repo https://github.com/Aliozzaim/Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aliozzaim/Rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aliozzaim/Rust 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dac46cee4fe2a90a4046794cf31ecf76c40157aef8db96987c7f920fa4cacc75
[INFO] running `Command { std: "docker" "start" "-a" "dac46cee4fe2a90a4046794cf31ecf76c40157aef8db96987c7f920fa4cacc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac46cee4fe2a90a4046794cf31ecf76c40157aef8db96987c7f920fa4cacc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac46cee4fe2a90a4046794cf31ecf76c40157aef8db96987c7f920fa4cacc75", kill_on_drop: false }`
[INFO] [stdout] dac46cee4fe2a90a4046794cf31ecf76c40157aef8db96987c7f920fa4cacc75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30cff48bc71f51a171eb7799568cf24285f77cea11a21a5be1d7ae80308e8d31
[INFO] running `Command { std: "docker" "start" "-a" "30cff48bc71f51a171eb7799568cf24285f77cea11a21a5be1d7ae80308e8d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash`
[INFO] [stdout]  --> src/my_hashmap.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     hash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item01`
[INFO] [stdout]  --> src/iterators.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let item01: Option<&&str> = my_vec_iter.next();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_item01`
[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/iterators.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut my_vec: Vec<&str> = vec!["ali", "sule", "downplay", "disguise"];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut fruits: Vec<&str> = vec!["apple", "banana", "cherry"];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut vegetables: Vec<&str> = vec!["carrot", "beetroot", "asparagus"];
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "30cff48bc71f51a171eb7799568cf24285f77cea11a21a5be1d7ae80308e8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cff48bc71f51a171eb7799568cf24285f77cea11a21a5be1d7ae80308e8d31", kill_on_drop: false }`
[INFO] [stdout] 30cff48bc71f51a171eb7799568cf24285f77cea11a21a5be1d7ae80308e8d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362c514e86a7ac6566ff5d49a3e239aa002a1aefc295761ddcc3589a49601e92
[INFO] running `Command { std: "docker" "start" "-a" "362c514e86a7ac6566ff5d49a3e239aa002a1aefc295761ddcc3589a49601e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash`
[INFO] [stdout]  --> src/my_hashmap.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     hash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item01`
[INFO] [stdout]  --> src/iterators.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let item01: Option<&&str> = my_vec_iter.next();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_item01`
[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/iterators.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut my_vec: Vec<&str> = vec!["ali", "sule", "downplay", "disguise"];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut fruits: Vec<&str> = vec!["apple", "banana", "cherry"];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/iterators.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut vegetables: Vec<&str> = vec!["carrot", "beetroot", "asparagus"];
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "362c514e86a7ac6566ff5d49a3e239aa002a1aefc295761ddcc3589a49601e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362c514e86a7ac6566ff5d49a3e239aa002a1aefc295761ddcc3589a49601e92", kill_on_drop: false }`
[INFO] [stdout] 362c514e86a7ac6566ff5d49a3e239aa002a1aefc295761ddcc3589a49601e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04bb2ce1dbc3f2c56380f624827ace5401d25ef26a902067f3da7aa1a652b1ca
[INFO] running `Command { std: "docker" "start" "-a" "04bb2ce1dbc3f2c56380f624827ace5401d25ef26a902067f3da7aa1a652b1ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `hash`
[INFO] [stderr]  --> src/my_hashmap.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     hash,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item01`
[INFO] [stderr]  --> src/iterators.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let item01: Option<&&str> = my_vec_iter.next();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_item01`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/iterators.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut my_vec: Vec<&str> = vec!["ali", "sule", "downplay", "disguise"];
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/iterators.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut fruits: Vec<&str> = vec!["apple", "banana", "cherry"];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/iterators.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut vegetables: Vec<&str> = vec!["carrot", "beetroot", "asparagus"];
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 5 warnings (run `cargo fix --bin "hello" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-8076ae9e134d2796)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04bb2ce1dbc3f2c56380f624827ace5401d25ef26a902067f3da7aa1a652b1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bb2ce1dbc3f2c56380f624827ace5401d25ef26a902067f3da7aa1a652b1ca", kill_on_drop: false }`
[INFO] [stdout] 04bb2ce1dbc3f2c56380f624827ace5401d25ef26a902067f3da7aa1a652b1ca
