[INFO] cloning repository https://github.com/0deux/tech_int_for_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0deux/tech_int_for_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0deux%2Ftech_int_for_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0deux%2Ftech_int_for_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f45b2e650583effb454345c915448763b3294aff
[INFO] testing 0deux/tech_int_for_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%2F0deux%2Ftech_int_for_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0deux/tech_int_for_rust
[INFO] finished tweaking git repo https://github.com/0deux/tech_int_for_rust
[INFO] tweaked toml for git repo https://github.com/0deux/tech_int_for_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0deux/tech_int_for_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/0deux/tech_int_for_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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aedad5fec81d05b7193d67890c19516dccf472d574b13085a869a93e372b78fb
[INFO] running `Command { std: "docker" "start" "-a" "aedad5fec81d05b7193d67890c19516dccf472d574b13085a869a93e372b78fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedad5fec81d05b7193d67890c19516dccf472d574b13085a869a93e372b78fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedad5fec81d05b7193d67890c19516dccf472d574b13085a869a93e372b78fb", kill_on_drop: false }`
[INFO] [stdout] aedad5fec81d05b7193d67890c19516dccf472d574b13085a869a93e372b78fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 00bdbeac4ed2e2628e736e9774e5d136a4f42268f83d7a098cd300a22559ea4b
[INFO] running `Command { std: "docker" "start" "-a" "00bdbeac4ed2e2628e736e9774e5d136a4f42268f83d7a098cd300a22559ea4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tech_int v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let new_owner: &String = &original_owner; // Borrowing occurs here
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 94 |     Red,
[INFO] [stdout] 95 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Banana` are never constructed
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Fruit {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 108 |     Apple,
[INFO] [stdout] 109 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 110 |     Banana,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "00bdbeac4ed2e2628e736e9774e5d136a4f42268f83d7a098cd300a22559ea4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bdbeac4ed2e2628e736e9774e5d136a4f42268f83d7a098cd300a22559ea4b", kill_on_drop: false }`
[INFO] [stdout] 00bdbeac4ed2e2628e736e9774e5d136a4f42268f83d7a098cd300a22559ea4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e03bfeba336d479d4fe535e81c3a262ccce5f51927870af981b0b8b3a9c85164
[INFO] running `Command { std: "docker" "start" "-a" "e03bfeba336d479d4fe535e81c3a262ccce5f51927870af981b0b8b3a9c85164", kill_on_drop: false }`
[INFO] [stderr]    Compiling tech_int v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let new_owner: &String = &original_owner; // Borrowing occurs here
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 94 |     Red,
[INFO] [stdout] 95 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Banana` are never constructed
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Fruit {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 108 |     Apple,
[INFO] [stdout] 109 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 110 |     Banana,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e03bfeba336d479d4fe535e81c3a262ccce5f51927870af981b0b8b3a9c85164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03bfeba336d479d4fe535e81c3a262ccce5f51927870af981b0b8b3a9c85164", kill_on_drop: false }`
[INFO] [stdout] e03bfeba336d479d4fe535e81c3a262ccce5f51927870af981b0b8b3a9c85164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fbfa62ee042e6c99eb99b6ef6aa46fee90e31348db4d1a79d3e4ec5f6c64e8fa
[INFO] running `Command { std: "docker" "start" "-a" "fbfa62ee042e6c99eb99b6ef6aa46fee90e31348db4d1a79d3e4ec5f6c64e8fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `new_owner`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let new_owner: &String = &original_owner; // Borrowing occurs here
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | enum TrafficLight {
[INFO] [stderr]    |      ------------ variants in this enum
[INFO] [stderr] 94 |     Red,
[INFO] [stderr] 95 |     Yellow,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 96 |     Green,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Orange` and `Banana` are never constructed
[INFO] [stderr]    --> src/main.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | enum Fruit {
[INFO] [stderr]     |      ----- variants in this enum
[INFO] [stderr] 108 |     Apple,
[INFO] [stderr] 109 |     Orange,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 110 |     Banana,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tech_int` (bin "tech_int" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tech_int-1597a682bb6ffd77)
[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" "fbfa62ee042e6c99eb99b6ef6aa46fee90e31348db4d1a79d3e4ec5f6c64e8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfa62ee042e6c99eb99b6ef6aa46fee90e31348db4d1a79d3e4ec5f6c64e8fa", kill_on_drop: false }`
[INFO] [stdout] fbfa62ee042e6c99eb99b6ef6aa46fee90e31348db4d1a79d3e4ec5f6c64e8fa
