[INFO] cloning repository https://github.com/NOCTLJRNE/Rust-Hello-Cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NOCTLJRNE/Rust-Hello-Cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOCTLJRNE%2FRust-Hello-Cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOCTLJRNE%2FRust-Hello-Cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d539e5c176550d27398684db7d35c015013b48ba
[INFO] testing NOCTLJRNE/Rust-Hello-Cargo against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOCTLJRNE%2FRust-Hello-Cargo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NOCTLJRNE/Rust-Hello-Cargo on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NOCTLJRNE/Rust-Hello-Cargo
[INFO] finished tweaking git repo https://github.com/NOCTLJRNE/Rust-Hello-Cargo
[INFO] tweaked toml for git repo https://github.com/NOCTLJRNE/Rust-Hello-Cargo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NOCTLJRNE/Rust-Hello-Cargo 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec1841af1bbf3c53c496fcce50509a3cc397de2517fee1c7b8022b94a95d0b73
[INFO] running `Command { std: "docker" "start" "-a" "ec1841af1bbf3c53c496fcce50509a3cc397de2517fee1c7b8022b94a95d0b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1841af1bbf3c53c496fcce50509a3cc397de2517fee1c7b8022b94a95d0b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1841af1bbf3c53c496fcce50509a3cc397de2517fee1c7b8022b94a95d0b73", kill_on_drop: false }`
[INFO] [stdout] ec1841af1bbf3c53c496fcce50509a3cc397de2517fee1c7b8022b94a95d0b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4930f0efed0d45860f01013095eb35d0b1a06c582a4f21a82088ee3fc6ef9d9d
[INFO] running `Command { std: "docker" "start" "-a" "4930f0efed0d45860f01013095eb35d0b1a06c582a4f21a82088ee3fc6ef9d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/main.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user1`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let user1 = User {
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_sliced`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let a_sliced = &a[1..3];
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_sliced`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username`, `email`, `sign_in_count`, and `active` are never read
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |         username: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 4 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |         sign_in_count: u64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 6 |         active: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_move` is never used
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn calculate_length_move(string_ref: String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dangle` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn dangle() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4930f0efed0d45860f01013095eb35d0b1a06c582a4f21a82088ee3fc6ef9d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4930f0efed0d45860f01013095eb35d0b1a06c582a4f21a82088ee3fc6ef9d9d", kill_on_drop: false }`
[INFO] [stdout] 4930f0efed0d45860f01013095eb35d0b1a06c582a4f21a82088ee3fc6ef9d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d2ac256d3b55b3e55e85631a5871c1ab15de26b57c00286f3632f869e51ecd
[INFO] running `Command { std: "docker" "start" "-a" "48d2ac256d3b55b3e55e85631a5871c1ab15de26b57c00286f3632f869e51ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/main.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user1`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let user1 = User {
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_sliced`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let a_sliced = &a[1..3];
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_sliced`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_move` is never used
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn calculate_length_move(string_ref: String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dangle` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn dangle() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "48d2ac256d3b55b3e55e85631a5871c1ab15de26b57c00286f3632f869e51ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d2ac256d3b55b3e55e85631a5871c1ab15de26b57c00286f3632f869e51ecd", kill_on_drop: false }`
[INFO] [stdout] 48d2ac256d3b55b3e55e85631a5871c1ab15de26b57c00286f3632f869e51ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4ca15d7afc639e3899d51ab8e189076d36451992df526141f255b27c046529c
[INFO] running `Command { std: "docker" "start" "-a" "c4ca15d7afc639e3899d51ab8e189076d36451992df526141f255b27c046529c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> src/main.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |     };
[INFO] [stderr]   |      ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user1`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let user1 = User {
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_sliced`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let a_sliced = &a[1..3];
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_sliced`
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_length_move` is never used
[INFO] [stderr]   --> src/main.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn calculate_length_move(string_ref: String) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `dangle` is never used
[INFO] [stderr]   --> src/main.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn dangle() -> String {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-e4b1d22981280110)
[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" "c4ca15d7afc639e3899d51ab8e189076d36451992df526141f255b27c046529c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ca15d7afc639e3899d51ab8e189076d36451992df526141f255b27c046529c", kill_on_drop: false }`
[INFO] [stdout] c4ca15d7afc639e3899d51ab8e189076d36451992df526141f255b27c046529c