[INFO] cloning repository https://github.com/saturnavt/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saturnavt/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaturnavt%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaturnavt%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab402475cc1f4c20dd1ae74fe9e4d5368e280bbd
[INFO] testing saturnavt/rust-examples against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaturnavt%2Frust-examples" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saturnavt/rust-examples on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saturnavt/rust-examples
[INFO] finished tweaking git repo https://github.com/saturnavt/rust-examples
[INFO] tweaked toml for git repo https://github.com/saturnavt/rust-examples written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saturnavt/rust-examples 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d096c4c6d705571a1423c1ba011114576f43fcfeaf91bc7f239f6b1da417d4d
[INFO] running `Command { std: "docker" "start" "-a" "2d096c4c6d705571a1423c1ba011114576f43fcfeaf91bc7f239f6b1da417d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d096c4c6d705571a1423c1ba011114576f43fcfeaf91bc7f239f6b1da417d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d096c4c6d705571a1423c1ba011114576f43fcfeaf91bc7f239f6b1da417d4d", kill_on_drop: false }`
[INFO] [stdout] 2d096c4c6d705571a1423c1ba011114576f43fcfeaf91bc7f239f6b1da417d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497d246811a92630c43d0593cd21f1dc8c0f2f1e50c653e1469fcb2bb61454f4
[INFO] running `Command { std: "docker" "start" "-a" "497d246811a92630c43d0593cd21f1dc8c0f2f1e50c653e1469fcb2bb61454f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> src/./variables/variables.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut y = "Doom";
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `race` are never read
[INFO] [stdout]  --> src/./push-struct-to-vector/push_struct_to_vector.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     race: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `race` are never read
[INFO] [stdout]  --> src/./structs/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat{
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     race: String
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "497d246811a92630c43d0593cd21f1dc8c0f2f1e50c653e1469fcb2bb61454f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497d246811a92630c43d0593cd21f1dc8c0f2f1e50c653e1469fcb2bb61454f4", kill_on_drop: false }`
[INFO] [stdout] 497d246811a92630c43d0593cd21f1dc8c0f2f1e50c653e1469fcb2bb61454f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbff492f1874f423d9d0c8303cb7ead94027cc8b60060d40cf6746dbf014ef14
[INFO] running `Command { std: "docker" "start" "-a" "dbff492f1874f423d9d0c8303cb7ead94027cc8b60060d40cf6746dbf014ef14", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]  --> src/./variables/variables.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut y = "Doom";
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `race` are never read
[INFO] [stdout]  --> src/./push-struct-to-vector/push_struct_to_vector.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     race: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `race` are never read
[INFO] [stdout]  --> src/./structs/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Cat{
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     race: String
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "dbff492f1874f423d9d0c8303cb7ead94027cc8b60060d40cf6746dbf014ef14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbff492f1874f423d9d0c8303cb7ead94027cc8b60060d40cf6746dbf014ef14", kill_on_drop: false }`
[INFO] [stdout] dbff492f1874f423d9d0c8303cb7ead94027cc8b60060d40cf6746dbf014ef14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5899962badbcd2d8fcf2a644fa417b3f79f2f41535648a745c298e680bdffc8f
[INFO] running `Command { std: "docker" "start" "-a" "5899962badbcd2d8fcf2a644fa417b3f79f2f41535648a745c298e680bdffc8f", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]  --> src/./variables/variables.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut y = "Doom";
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `age`, and `race` are never read
[INFO] [stderr]  --> src/./push-struct-to-vector/push_struct_to_vector.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Cat {
[INFO] [stderr]   |        --- fields in this struct
[INFO] [stderr] 3 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     age: i8,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 5 |     race: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `age`, and `race` are never read
[INFO] [stderr]  --> src/./structs/structs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Cat{
[INFO] [stderr]   |        --- fields in this struct
[INFO] [stderr] 3 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     age: i8,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 5 |     race: String
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Cat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-examples` (bin "rust-examples" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_examples-251e5c15b3ffad14)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test add::add_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5899962badbcd2d8fcf2a644fa417b3f79f2f41535648a745c298e680bdffc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5899962badbcd2d8fcf2a644fa417b3f79f2f41535648a745c298e680bdffc8f", kill_on_drop: false }`
[INFO] [stdout] 5899962badbcd2d8fcf2a644fa417b3f79f2f41535648a745c298e680bdffc8f