[INFO] cloning repository https://github.com/zenria/rust-http-server-prometheus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zenria/rust-http-server-prometheus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenria%2Frust-http-server-prometheus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenria%2Frust-http-server-prometheus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ae6affd9def2358982c0d0dfba0c3e6dc94a806
[INFO] checking zenria/rust-http-server-prometheus against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenria%2Frust-http-server-prometheus" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zenria/rust-http-server-prometheus on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zenria/rust-http-server-prometheus
[INFO] finished tweaking git repo https://github.com/zenria/rust-http-server-prometheus
[INFO] tweaked toml for git repo https://github.com/zenria/rust-http-server-prometheus written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zenria/rust-http-server-prometheus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 279f821203c1b1792a01eadd92f3814770c1da2603e359b72ff573fbb6511150
[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" "279f821203c1b1792a01eadd92f3814770c1da2603e359b72ff573fbb6511150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "279f821203c1b1792a01eadd92f3814770c1da2603e359b72ff573fbb6511150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279f821203c1b1792a01eadd92f3814770c1da2603e359b72ff573fbb6511150", kill_on_drop: false }`
[INFO] [stdout] 279f821203c1b1792a01eadd92f3814770c1da2603e359b72ff573fbb6511150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--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] d45e3cd70a158c134e179177470c86c556176c978b6ea52df5f62a71afff77b3
[INFO] running `Command { std: "docker" "start" "-a" "d45e3cd70a158c134e179177470c86c556176c978b6ea52df5f62a71afff77b3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling protobuf v2.0.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking prometheus-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.10s
[INFO] running `Command { std: "docker" "inspect" "d45e3cd70a158c134e179177470c86c556176c978b6ea52df5f62a71afff77b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45e3cd70a158c134e179177470c86c556176c978b6ea52df5f62a71afff77b3", kill_on_drop: false }`
[INFO] [stdout] d45e3cd70a158c134e179177470c86c556176c978b6ea52df5f62a71afff77b3