[INFO] cloning repository https://github.com/Carinthorn/Rust_hw3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Carinthorn/Rust_hw3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarinthorn%2FRust_hw3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarinthorn%2FRust_hw3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00811ac6a0bdf089489869c90c2bfc889b1ce723
[INFO] building Carinthorn/Rust_hw3 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarinthorn%2FRust_hw3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Carinthorn/Rust_hw3 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Carinthorn/Rust_hw3
[INFO] finished tweaking git repo https://github.com/Carinthorn/Rust_hw3
[INFO] tweaked toml for git repo https://github.com/Carinthorn/Rust_hw3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Carinthorn/Rust_hw3 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab1729bbe8ed0dd8cf24c323ffb7643d55780050ebd02d949e2e4057c0013192
[INFO] running `Command { std: "docker" "start" "-a" "ab1729bbe8ed0dd8cf24c323ffb7643d55780050ebd02d949e2e4057c0013192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab1729bbe8ed0dd8cf24c323ffb7643d55780050ebd02d949e2e4057c0013192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1729bbe8ed0dd8cf24c323ffb7643d55780050ebd02d949e2e4057c0013192", kill_on_drop: false }`
[INFO] [stdout] ab1729bbe8ed0dd8cf24c323ffb7643d55780050ebd02d949e2e4057c0013192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a09a1bbc53a369c478f652327694b761af6c12f4cc05bfe4204efcca0b66996f
[INFO] running `Command { std: "docker" "start" "-a" "a09a1bbc53a369c478f652327694b761af6c12f4cc05bfe4204efcca0b66996f", kill_on_drop: false }`
[INFO] [stderr]    Compiling new_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             for j in 0..(i - dot + 1){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for n in (0..(dot*2 - i - 1)).rev(){  
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             for n in (1..=(line*2-(i))).rev(){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for j in 0..(dot - 1 - i){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for j in 1..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             for n in 0..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "a09a1bbc53a369c478f652327694b761af6c12f4cc05bfe4204efcca0b66996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09a1bbc53a369c478f652327694b761af6c12f4cc05bfe4204efcca0b66996f", kill_on_drop: false }`
[INFO] [stdout] a09a1bbc53a369c478f652327694b761af6c12f4cc05bfe4204efcca0b66996f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d72591df7d1e99a86c605d1caf09c1e653e37400990105978eb627aa720c665
[INFO] running `Command { std: "docker" "start" "-a" "4d72591df7d1e99a86c605d1caf09c1e653e37400990105978eb627aa720c665", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             for n in (1..=(line*2-(i))).rev(){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for j in 1..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             for j in 0..(i - dot + 1){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for n in (0..(dot*2 - i - 1)).rev(){  
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for j in 0..(dot - 1 - i){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             for n in 0..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bstr v1.6.0
[INFO] [stderr]    Compiling predicates v3.0.3
[INFO] [stderr]    Compiling assert_cmd v2.0.12
[INFO] [stderr]    Compiling new_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             for j in 0..(i - dot + 1){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             for n in (0..(dot*2 - i - 1)).rev(){  
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow2.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for j in 0..(dot - 1 - i){ 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow2.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |             for n in 0..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/arrow.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             for n in (1..=(line*2-(i))).rev(){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/arrow.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for j in 1..(i+1){
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "4d72591df7d1e99a86c605d1caf09c1e653e37400990105978eb627aa720c665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d72591df7d1e99a86c605d1caf09c1e653e37400990105978eb627aa720c665", kill_on_drop: false }`
[INFO] [stdout] 4d72591df7d1e99a86c605d1caf09c1e653e37400990105978eb627aa720c665
