[INFO] cloning repository https://github.com/mannerism/rustIntro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mannerism/rustIntro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmannerism%2FrustIntro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmannerism%2FrustIntro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89aad92614ef1cca1b79e42253947128c6d681c5
[INFO] testing mannerism/rustIntro against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmannerism%2FrustIntro" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mannerism/rustIntro on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mannerism/rustIntro
[INFO] finished tweaking git repo https://github.com/mannerism/rustIntro
[INFO] tweaked toml for git repo https://github.com/mannerism/rustIntro written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/mannerism/rustIntro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3957631cd4c396f3770f6e19e2eb35607f8078006e3cb65c98d37f0e3af1c61e
[INFO] running `Command { std: "docker" "start" "-a" "3957631cd4c396f3770f6e19e2eb35607f8078006e3cb65c98d37f0e3af1c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3957631cd4c396f3770f6e19e2eb35607f8078006e3cb65c98d37f0e3af1c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3957631cd4c396f3770f6e19e2eb35607f8078006e3cb65c98d37f0e3af1c61e", kill_on_drop: false }`
[INFO] [stdout] 3957631cd4c396f3770f6e19e2eb35607f8078006e3cb65c98d37f0e3af1c61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d11787eb04529472ac2627a50152c9c357b71e860f876a4aa3837f3e8708a97
[INFO] running `Command { std: "docker" "start" "-a" "9d11787eb04529472ac2627a50152c9c357b71e860f876a4aa3837f3e8708a97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/struct_ownership.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   a: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/struct_ownership.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/struct_ownership.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   b: f64,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/struct_ownership.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "9d11787eb04529472ac2627a50152c9c357b71e860f876a4aa3837f3e8708a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d11787eb04529472ac2627a50152c9c357b71e860f876a4aa3837f3e8708a97", kill_on_drop: false }`
[INFO] [stdout] 9d11787eb04529472ac2627a50152c9c357b71e860f876a4aa3837f3e8708a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d65f452e5f287ae65caacd72950fa28c3541f62a8a33c26b780ee0d94ab830
[INFO] running `Command { std: "docker" "start" "-a" "d2d65f452e5f287ae65caacd72950fa28c3541f62a8a33c26b780ee0d94ab830", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> src/struct_ownership.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   a: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/struct_ownership.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> src/struct_ownership.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   b: f64,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/struct_ownership.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.25s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2d65f452e5f287ae65caacd72950fa28c3541f62a8a33c26b780ee0d94ab830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d65f452e5f287ae65caacd72950fa28c3541f62a8a33c26b780ee0d94ab830", kill_on_drop: false }`
[INFO] [stdout] d2d65f452e5f287ae65caacd72950fa28c3541f62a8a33c26b780ee0d94ab830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eefb10f9a139c7a6fae582a411f2c8ffe193ab4f4f63d0f6779659f1af3418ff
[INFO] running `Command { std: "docker" "start" "-a" "eefb10f9a139c7a6fae582a411f2c8ffe193ab4f4f63d0f6779659f1af3418ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stdout] 
[INFO] [stderr]  --> src/struct_ownership.rs:6:3
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 6 |   a: i32,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |   ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/struct_ownership.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]  --> src/struct_ownership.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   b: f64,
[INFO] [stderr]   |   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `DougsStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/struct_ownership.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_sandbox` (bin "rust_sandbox" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-ef9ec7988e723783)
[INFO] running `Command { std: "docker" "inspect" "eefb10f9a139c7a6fae582a411f2c8ffe193ab4f4f63d0f6779659f1af3418ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eefb10f9a139c7a6fae582a411f2c8ffe193ab4f4f63d0f6779659f1af3418ff", kill_on_drop: false }`
[INFO] [stdout] eefb10f9a139c7a6fae582a411f2c8ffe193ab4f4f63d0f6779659f1af3418ff