[INFO] fetching crate arf-strings 0.3.0...
[INFO] testing arf-strings-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arf-strings 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arf-strings 0.3.0 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 crates.io crate arf-strings 0.3.0
[INFO] finished tweaking crates.io crate arf-strings 0.3.0
[INFO] tweaked toml for crates.io crate arf-strings 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2593dc5f2388dc19b6a4c81594a7c17d178a40df79709fbd73f83b8b895ad9ed
[INFO] running `Command { std: "docker" "start" "-a" "2593dc5f2388dc19b6a4c81594a7c17d178a40df79709fbd73f83b8b895ad9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2593dc5f2388dc19b6a4c81594a7c17d178a40df79709fbd73f83b8b895ad9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2593dc5f2388dc19b6a4c81594a7c17d178a40df79709fbd73f83b8b895ad9ed", kill_on_drop: false }`
[INFO] [stdout] 2593dc5f2388dc19b6a4c81594a7c17d178a40df79709fbd73f83b8b895ad9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 893e3fc30b26d5d714a2ac134895cb9c0a271e22b4957b2c2c541664e8718c1a
[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" "893e3fc30b26d5d714a2ac134895cb9c0a271e22b4957b2c2c541664e8718c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arf-strings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "893e3fc30b26d5d714a2ac134895cb9c0a271e22b4957b2c2c541664e8718c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893e3fc30b26d5d714a2ac134895cb9c0a271e22b4957b2c2c541664e8718c1a", kill_on_drop: false }`
[INFO] [stdout] 893e3fc30b26d5d714a2ac134895cb9c0a271e22b4957b2c2c541664e8718c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bda5ab363570214908081e7a20144a6e01793d7978e37f7bb077be7ada211c79
[INFO] running `Command { std: "docker" "start" "-a" "bda5ab363570214908081e7a20144a6e01793d7978e37f7bb077be7ada211c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling arf-strings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "bda5ab363570214908081e7a20144a6e01793d7978e37f7bb077be7ada211c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda5ab363570214908081e7a20144a6e01793d7978e37f7bb077be7ada211c79", kill_on_drop: false }`
[INFO] [stdout] bda5ab363570214908081e7a20144a6e01793d7978e37f7bb077be7ada211c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c34dc0900302f6cc173375e3de5d183a0387d43b8465018f854bfb8188078e90
[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" "c34dc0900302f6cc173375e3de5d183a0387d43b8465018f854bfb8188078e90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arf_strings-56ac42ffc9902b38
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test posish::not_utf8 ... ok
[INFO] [stdout] test posish::round_trip ... ok
[INFO] [stdout] test posish::valid_utf8 ... ok
[INFO] [stdout] test posish::utf8_inputs ... ok
[INFO] [stdout] test posish::errors_from_bytes ... ok
[INFO] [stdout] test posish::arf_inputs ... ok
[INFO] [stdout] test posish::errors_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arf-strings
[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" "c34dc0900302f6cc173375e3de5d183a0387d43b8465018f854bfb8188078e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34dc0900302f6cc173375e3de5d183a0387d43b8465018f854bfb8188078e90", kill_on_drop: false }`
[INFO] [stdout] c34dc0900302f6cc173375e3de5d183a0387d43b8465018f854bfb8188078e90