[INFO] cloning repository https://github.com/ConnyOnny/utf8perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnyOnny/utf8perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnyOnny%2Futf8perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnyOnny%2Futf8perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea6244b9cd3373942254c989a683bfd3b36227a7
[INFO] testing ConnyOnny/utf8perf against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnyOnny%2Futf8perf" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnyOnny/utf8perf on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnyOnny/utf8perf
[INFO] finished tweaking git repo https://github.com/ConnyOnny/utf8perf
[INFO] tweaked toml for git repo https://github.com/ConnyOnny/utf8perf written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnyOnny/utf8perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c91e1679d45c0686d413fc1fe09aea0ae461d487f38e5594360c2c5dfafada09
[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" "c91e1679d45c0686d413fc1fe09aea0ae461d487f38e5594360c2c5dfafada09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91e1679d45c0686d413fc1fe09aea0ae461d487f38e5594360c2c5dfafada09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91e1679d45c0686d413fc1fe09aea0ae461d487f38e5594360c2c5dfafada09", kill_on_drop: false }`
[INFO] [stdout] c91e1679d45c0686d413fc1fe09aea0ae461d487f38e5594360c2c5dfafada09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] ff07b44e8cd2b9f3f8ec35310e976e1a8d0f320e3b0f9c0ae8ebb652d1921f8b
[INFO] running `Command { std: "docker" "start" "-a" "ff07b44e8cd2b9f3f8ec35310e976e1a8d0f320e3b0f9c0ae8ebb652d1921f8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.1.0
[INFO] [stderr]    Compiling utf8perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "ff07b44e8cd2b9f3f8ec35310e976e1a8d0f320e3b0f9c0ae8ebb652d1921f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff07b44e8cd2b9f3f8ec35310e976e1a8d0f320e3b0f9c0ae8ebb652d1921f8b", kill_on_drop: false }`
[INFO] [stdout] ff07b44e8cd2b9f3f8ec35310e976e1a8d0f320e3b0f9c0ae8ebb652d1921f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6bf196b0d31dbfd2e838c60f13b8b4fc7ede08f5957405e76036c2623ce60c3
[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" "f6bf196b0d31dbfd2e838c60f13b8b4fc7ede08f5957405e76036c2623ce60c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "f6bf196b0d31dbfd2e838c60f13b8b4fc7ede08f5957405e76036c2623ce60c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bf196b0d31dbfd2e838c60f13b8b4fc7ede08f5957405e76036c2623ce60c3", kill_on_drop: false }`
[INFO] [stdout] f6bf196b0d31dbfd2e838c60f13b8b4fc7ede08f5957405e76036c2623ce60c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2e876912529bb3557e68212699ab5070af55543c43b4217c456303e271f6b05
[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" "b2e876912529bb3557e68212699ab5070af55543c43b4217c456303e271f6b05", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/utf8perf-2c0a1e26bfe55b4b
[INFO] running `Command { std: "docker" "inspect" "b2e876912529bb3557e68212699ab5070af55543c43b4217c456303e271f6b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e876912529bb3557e68212699ab5070af55543c43b4217c456303e271f6b05", kill_on_drop: false }`
[INFO] [stdout] b2e876912529bb3557e68212699ab5070af55543c43b4217c456303e271f6b05