[INFO] cloning repository https://github.com/pfragkiad/test4_ownership
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pfragkiad/test4_ownership" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfragkiad%2Ftest4_ownership", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfragkiad%2Ftest4_ownership'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914e16f0bfc9503dbd60940364b97cb4bdfc3805
[INFO] building pfragkiad/test4_ownership against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfragkiad%2Ftest4_ownership" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pfragkiad/test4_ownership
[INFO] finished tweaking git repo https://github.com/pfragkiad/test4_ownership
[INFO] tweaked toml for git repo https://github.com/pfragkiad/test4_ownership written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pfragkiad/test4_ownership on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pfragkiad/test4_ownership 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe6173bef4b1cb98bb038688cc6d2abf297f895351af42c81908a038255dfd4c
[INFO] running `Command { std: "docker" "start" "-a" "fe6173bef4b1cb98bb038688cc6d2abf297f895351af42c81908a038255dfd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6173bef4b1cb98bb038688cc6d2abf297f895351af42c81908a038255dfd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6173bef4b1cb98bb038688cc6d2abf297f895351af42c81908a038255dfd4c", kill_on_drop: false }`
[INFO] [stdout] fe6173bef4b1cb98bb038688cc6d2abf297f895351af42c81908a038255dfd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77926d55dbb13aab2eb0b602be5dcd45695c477440170c0718a4cc4ee7e53449
[INFO] running `Command { std: "docker" "start" "-a" "77926d55dbb13aab2eb0b602be5dcd45695c477440170c0718a4cc4ee7e53449", kill_on_drop: false }`
[INFO] [stderr]    Compiling test4_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let e2 = e1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ap: &i32 = &a[0];
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap2`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ap2: &[i32] = &a[..];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ap2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active` and `email` are never read
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 93 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 94 |     username: String,
[INFO] [stdout] 95 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            -----      ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user2` is never used
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn build_user2(email: String) -> User {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "77926d55dbb13aab2eb0b602be5dcd45695c477440170c0718a4cc4ee7e53449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77926d55dbb13aab2eb0b602be5dcd45695c477440170c0718a4cc4ee7e53449", kill_on_drop: false }`
[INFO] [stdout] 77926d55dbb13aab2eb0b602be5dcd45695c477440170c0718a4cc4ee7e53449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862dd42cede721b2c9806989b71f252829c022547b0e8e56569b12eb75c2f5f9
[INFO] running `Command { std: "docker" "start" "-a" "862dd42cede721b2c9806989b71f252829c022547b0e8e56569b12eb75c2f5f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling test4_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let e2 = e1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ap: &i32 = &a[0];
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap2`
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let ap2: &[i32] = &a[..];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ap2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active` and `email` are never read
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 93 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 94 |     username: String,
[INFO] [stdout] 95 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `1` and `2` are never read
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            -----      ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user2` is never used
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn build_user2(email: String) -> User {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "862dd42cede721b2c9806989b71f252829c022547b0e8e56569b12eb75c2f5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862dd42cede721b2c9806989b71f252829c022547b0e8e56569b12eb75c2f5f9", kill_on_drop: false }`
[INFO] [stdout] 862dd42cede721b2c9806989b71f252829c022547b0e8e56569b12eb75c2f5f9