[INFO] cloning repository https://github.com/MasayaTahara/measure-ping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasayaTahara/measure-ping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasayaTahara%2Fmeasure-ping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasayaTahara%2Fmeasure-ping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 356dcfc9638f080b8c35419382337aefa35a8a75
[INFO] testing MasayaTahara/measure-ping against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasayaTahara%2Fmeasure-ping" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MasayaTahara/measure-ping on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MasayaTahara/measure-ping
[INFO] finished tweaking git repo https://github.com/MasayaTahara/measure-ping
[INFO] tweaked toml for git repo https://github.com/MasayaTahara/measure-ping written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MasayaTahara/measure-ping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10946114be935827fbd26d1cd0f38f2efb7169661c2a1634956ec8fcb86d35af
[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" "10946114be935827fbd26d1cd0f38f2efb7169661c2a1634956ec8fcb86d35af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10946114be935827fbd26d1cd0f38f2efb7169661c2a1634956ec8fcb86d35af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10946114be935827fbd26d1cd0f38f2efb7169661c2a1634956ec8fcb86d35af", kill_on_drop: false }`
[INFO] [stdout] 10946114be935827fbd26d1cd0f38f2efb7169661c2a1634956ec8fcb86d35af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] cd34fdfc840a7ab8206918dbe228c9e83c1308f7a07d78e82b000b209947aa22
[INFO] running `Command { std: "docker" "start" "-a" "cd34fdfc840a7ab8206918dbe228c9e83c1308f7a07d78e82b000b209947aa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling pnet v0.23.1
[INFO] [stderr]    Compiling pnet_macros_support v0.23.1
[INFO] [stderr]    Compiling ipnetwork v0.15.1
[INFO] [stderr]    Compiling pnet_sys v0.23.1
[INFO] [stderr]    Compiling pnet_sys v0.26.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling pnet_datalink v0.23.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.23.1
[INFO] [stderr]    Compiling pnet_transport v0.23.1
[INFO] [stderr]    Compiling fastping-rs v0.1.5
[INFO] [stderr]    Compiling measure-ping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "cd34fdfc840a7ab8206918dbe228c9e83c1308f7a07d78e82b000b209947aa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd34fdfc840a7ab8206918dbe228c9e83c1308f7a07d78e82b000b209947aa22", kill_on_drop: false }`
[INFO] [stdout] cd34fdfc840a7ab8206918dbe228c9e83c1308f7a07d78e82b000b209947aa22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73fa1073b9106874af584f9f1ca1bcf99c5421d15b330975958506e8ab2c1a28
[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" "73fa1073b9106874af584f9f1ca1bcf99c5421d15b330975958506e8ab2c1a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling measure-ping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "73fa1073b9106874af584f9f1ca1bcf99c5421d15b330975958506e8ab2c1a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fa1073b9106874af584f9f1ca1bcf99c5421d15b330975958506e8ab2c1a28", kill_on_drop: false }`
[INFO] [stdout] 73fa1073b9106874af584f9f1ca1bcf99c5421d15b330975958506e8ab2c1a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 742118526e354c0f69dcbc66e9dc96719363b3b9ac03e35d3f92ea735db73eba
[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" "742118526e354c0f69dcbc66e9dc96719363b3b9ac03e35d3f92ea735db73eba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/measure_ping-c465a0b5df618c01
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ping::tests::test_mean ... ok
[INFO] [stdout] test ping::tests::test_std_deviation ... ok
[INFO] [stdout] test ping::tests::test_convert ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/measure_ping-8c8365d7c511c4a6
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests measure-ping
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "742118526e354c0f69dcbc66e9dc96719363b3b9ac03e35d3f92ea735db73eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742118526e354c0f69dcbc66e9dc96719363b3b9ac03e35d3f92ea735db73eba", kill_on_drop: false }`
[INFO] [stdout] 742118526e354c0f69dcbc66e9dc96719363b3b9ac03e35d3f92ea735db73eba