[INFO] fetching crate opentelemetry-prometheus 0.6.0...
[INFO] checking opentelemetry-prometheus-0.6.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate opentelemetry-prometheus 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate opentelemetry-prometheus 0.6.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry-prometheus 0.6.0
[INFO] finished tweaking crates.io crate opentelemetry-prometheus 0.6.0
[INFO] tweaked toml for crates.io crate opentelemetry-prometheus 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate opentelemetry-prometheus 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 4cc9140a0267d03d34b98986db57f7c6481e22dc2c7ba9ec4a92e5de4242da1b
[INFO] running `Command { std: "docker" "start" "-a" "4cc9140a0267d03d34b98986db57f7c6481e22dc2c7ba9ec4a92e5de4242da1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc9140a0267d03d34b98986db57f7c6481e22dc2c7ba9ec4a92e5de4242da1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc9140a0267d03d34b98986db57f7c6481e22dc2c7ba9ec4a92e5de4242da1b", kill_on_drop: false }`
[INFO] [stdout] 4cc9140a0267d03d34b98986db57f7c6481e22dc2c7ba9ec4a92e5de4242da1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7a16f92f5beb9c0cf0b9eee005552b14b3fe126c804c1f2e5e9c3e45081247
[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" "dc7a16f92f5beb9c0cf0b9eee005552b14b3fe126c804c1f2e5e9c3e45081247", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking opentelemetry v0.13.0
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking opentelemetry-prometheus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.69s
[INFO] running `Command { std: "docker" "inspect" "dc7a16f92f5beb9c0cf0b9eee005552b14b3fe126c804c1f2e5e9c3e45081247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7a16f92f5beb9c0cf0b9eee005552b14b3fe126c804c1f2e5e9c3e45081247", kill_on_drop: false }`
[INFO] [stdout] dc7a16f92f5beb9c0cf0b9eee005552b14b3fe126c804c1f2e5e9c3e45081247