[INFO] cloning repository https://github.com/Hiptic/c-ares-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hiptic/c-ares-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 903b8a5c5e75395942a8dd1db9ea6267aec7a890
[INFO] testing Hiptic/c-ares-experiment 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%2FHiptic%2Fc-ares-experiment" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hiptic/c-ares-experiment 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/Hiptic/c-ares-experiment
[INFO] finished tweaking git repo https://github.com/Hiptic/c-ares-experiment
[INFO] tweaked toml for git repo https://github.com/Hiptic/c-ares-experiment written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hiptic/c-ares-experiment 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]  Downloading crates ...
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded c-types v1.1.1
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded bytes v0.4.1
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded c-ares-resolver v0.4.2
[INFO] [stderr]   Downloaded c-ares v1.1.2
[INFO] [stderr]   Downloaded tokio-core v0.1.6
[INFO] [stderr]   Downloaded futures v0.1.11
[INFO] [stderr]   Downloaded c-ares-sys v1.0.2
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f3c4d0baf4fdf6b8613a413df7156139f3f8591e2d34dcb4fe3be2de317752
[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" "f4f3c4d0baf4fdf6b8613a413df7156139f3f8591e2d34dcb4fe3be2de317752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f3c4d0baf4fdf6b8613a413df7156139f3f8591e2d34dcb4fe3be2de317752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f3c4d0baf4fdf6b8613a413df7156139f3f8591e2d34dcb4fe3be2de317752", kill_on_drop: false }`
[INFO] [stdout] f4f3c4d0baf4fdf6b8613a413df7156139f3f8591e2d34dcb4fe3be2de317752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b32f5872dd4f1267169f50a7cf0e017ada211707ff35a926c4487b41807fb924
[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" "b32f5872dd4f1267169f50a7cf0e017ada211707ff35a926c4487b41807fb924", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.11
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling c-types v1.1.1
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling bytes v0.4.1
[INFO] [stderr]    Compiling mio v0.6.6
[INFO] [stderr]    Compiling c-ares-sys v1.0.2
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling c-ares v1.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling c-ares-resolver v0.4.2
[INFO] [stderr]    Compiling c-ares-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.13s
[INFO] running `Command { std: "docker" "inspect" "b32f5872dd4f1267169f50a7cf0e017ada211707ff35a926c4487b41807fb924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32f5872dd4f1267169f50a7cf0e017ada211707ff35a926c4487b41807fb924", kill_on_drop: false }`
[INFO] [stdout] b32f5872dd4f1267169f50a7cf0e017ada211707ff35a926c4487b41807fb924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de50d02ce6d28410a2444e1973018f87264d78ab7d7c3b61ae093532e5f82e2a
[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" "de50d02ce6d28410a2444e1973018f87264d78ab7d7c3b61ae093532e5f82e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling c-ares-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "de50d02ce6d28410a2444e1973018f87264d78ab7d7c3b61ae093532e5f82e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de50d02ce6d28410a2444e1973018f87264d78ab7d7c3b61ae093532e5f82e2a", kill_on_drop: false }`
[INFO] [stdout] de50d02ce6d28410a2444e1973018f87264d78ab7d7c3b61ae093532e5f82e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b1f37f32640aaa043179131fcf1e6f7435a3372ec6f36e3cb4a95c883218bd7
[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" "7b1f37f32640aaa043179131fcf1e6f7435a3372ec6f36e3cb4a95c883218bd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c_ares_experiment-bcd739b0b5b5b336
[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] [stderr]    Doc-tests c-ares-experiment
[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" "7b1f37f32640aaa043179131fcf1e6f7435a3372ec6f36e3cb4a95c883218bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f37f32640aaa043179131fcf1e6f7435a3372ec6f36e3cb4a95c883218bd7", kill_on_drop: false }`
[INFO] [stdout] 7b1f37f32640aaa043179131fcf1e6f7435a3372ec6f36e3cb4a95c883218bd7