[INFO] cloning repository https://github.com/mjgarton/coffee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjgarton/coffee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjgarton%2Fcoffee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjgarton%2Fcoffee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8ae24bbe6dce4a043276cb6a56af98f243e58dd
[INFO] testing mjgarton/coffee against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjgarton%2Fcoffee" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjgarton/coffee on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mjgarton/coffee
[INFO] finished tweaking git repo https://github.com/mjgarton/coffee
[INFO] tweaked toml for git repo https://github.com/mjgarton/coffee written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mjgarton/coffee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58e8397e5beb39e8608bd34331616388a9b2b635ef5b1a1700e4082a1ae3bcc1
[INFO] running `Command { std: "docker" "start" "-a" "58e8397e5beb39e8608bd34331616388a9b2b635ef5b1a1700e4082a1ae3bcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e8397e5beb39e8608bd34331616388a9b2b635ef5b1a1700e4082a1ae3bcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e8397e5beb39e8608bd34331616388a9b2b635ef5b1a1700e4082a1ae3bcc1", kill_on_drop: false }`
[INFO] [stdout] 58e8397e5beb39e8608bd34331616388a9b2b635ef5b1a1700e4082a1ae3bcc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b407bac2064915761b062b8f331cb70eadb957cdd3dd4eeb6e76aaf21485465
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b407bac2064915761b062b8f331cb70eadb957cdd3dd4eeb6e76aaf21485465", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling coffee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let next = c.calculate_next();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latest`
[INFO] [stdout]    --> src/main.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn latest(&self) -> Option<&RoundResult> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "0b407bac2064915761b062b8f331cb70eadb957cdd3dd4eeb6e76aaf21485465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b407bac2064915761b062b8f331cb70eadb957cdd3dd4eeb6e76aaf21485465", kill_on_drop: false }`
[INFO] [stdout] 0b407bac2064915761b062b8f331cb70eadb957cdd3dd4eeb6e76aaf21485465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94db9f8fd70146f6adc1a69de00199f5e03f5e5dd87431b6e43bc7476a2c7af3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94db9f8fd70146f6adc1a69de00199f5e03f5e5dd87431b6e43bc7476a2c7af3", kill_on_drop: false }`
[INFO] [stderr]    Compiling coffee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let next = c.calculate_next();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latest`
[INFO] [stdout]    --> src/main.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn latest(&self) -> Option<&RoundResult> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "94db9f8fd70146f6adc1a69de00199f5e03f5e5dd87431b6e43bc7476a2c7af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94db9f8fd70146f6adc1a69de00199f5e03f5e5dd87431b6e43bc7476a2c7af3", kill_on_drop: false }`
[INFO] [stdout] 94db9f8fd70146f6adc1a69de00199f5e03f5e5dd87431b6e43bc7476a2c7af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2df0a4fa207afd236e81275f155b25ad16625219c01f857de9e53fef525c4147
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2df0a4fa207afd236e81275f155b25ad16625219c01f857de9e53fef525c4147", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 24 |         let next = c.calculate_next();
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `latest`
[INFO] [stderr]    --> src/main.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn latest(&self) -> Option<&RoundResult> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `coffee` (bin "coffee" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coffee-1d34e50898d80704)
[INFO] running `Command { std: "docker" "inspect" "2df0a4fa207afd236e81275f155b25ad16625219c01f857de9e53fef525c4147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df0a4fa207afd236e81275f155b25ad16625219c01f857de9e53fef525c4147", kill_on_drop: false }`
[INFO] [stdout] 2df0a4fa207afd236e81275f155b25ad16625219c01f857de9e53fef525c4147