[INFO] cloning repository https://github.com/eminence/ups_prometheus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eminence/ups_prometheus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fups_prometheus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fups_prometheus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3128941b5e3d5b03082808cffdde4854cfd60a5
[INFO] testing eminence/ups_prometheus against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fups_prometheus" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eminence/ups_prometheus on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eminence/ups_prometheus
[INFO] finished tweaking git repo https://github.com/eminence/ups_prometheus
[INFO] tweaked toml for git repo https://github.com/eminence/ups_prometheus written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/eminence/ups_prometheus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d1d8be5e1a17887427584ab208513f11ced7447ec26705860f03f2bf5fb86bcd
[INFO] running `Command { std: "docker" "start" "-a" "d1d8be5e1a17887427584ab208513f11ced7447ec26705860f03f2bf5fb86bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1d8be5e1a17887427584ab208513f11ced7447ec26705860f03f2bf5fb86bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d8be5e1a17887427584ab208513f11ced7447ec26705860f03f2bf5fb86bcd", kill_on_drop: false }`
[INFO] [stdout] d1d8be5e1a17887427584ab208513f11ced7447ec26705860f03f2bf5fb86bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 96f6f8beec64c992e0e483b6d22b33e4c4debeca8c5522a5de19b48edd4c9f9d
[INFO] running `Command { std: "docker" "start" "-a" "96f6f8beec64c992e0e483b6d22b33e4c4debeca8c5522a5de19b48edd4c9f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling ups_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn metrics(req: Request, mut res: Response) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "96f6f8beec64c992e0e483b6d22b33e4c4debeca8c5522a5de19b48edd4c9f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f6f8beec64c992e0e483b6d22b33e4c4debeca8c5522a5de19b48edd4c9f9d", kill_on_drop: false }`
[INFO] [stdout] 96f6f8beec64c992e0e483b6d22b33e4c4debeca8c5522a5de19b48edd4c9f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b4fa174eea9af98c8ef6938924908341489f799ea491c371c299412860faa7
[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" "f3b4fa174eea9af98c8ef6938924908341489f799ea491c371c299412860faa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ups_prometheus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn metrics(req: Request, mut res: Response) {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "f3b4fa174eea9af98c8ef6938924908341489f799ea491c371c299412860faa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b4fa174eea9af98c8ef6938924908341489f799ea491c371c299412860faa7", kill_on_drop: false }`
[INFO] [stdout] f3b4fa174eea9af98c8ef6938924908341489f799ea491c371c299412860faa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b62d71d2bcc0edd477ed26bfd7e72f6d515b3e33ad9b9f88d28ab60e5a13a86
[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" "1b62d71d2bcc0edd477ed26bfd7e72f6d515b3e33ad9b9f88d28ab60e5a13a86", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn metrics(req: Request, mut res: Response) {
[INFO] [stderr]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ups_prometheus-205a5f35fbc58313
[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" "1b62d71d2bcc0edd477ed26bfd7e72f6d515b3e33ad9b9f88d28ab60e5a13a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b62d71d2bcc0edd477ed26bfd7e72f6d515b3e33ad9b9f88d28ab60e5a13a86", kill_on_drop: false }`
[INFO] [stdout] 1b62d71d2bcc0edd477ed26bfd7e72f6d515b3e33ad9b9f88d28ab60e5a13a86