[INFO] fetching crate arguably 2.0.0...
[INFO] testing arguably-2.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arguably 2.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arguably 2.0.0 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 crates.io crate arguably 2.0.0
[INFO] finished tweaking crates.io crate arguably 2.0.0
[INFO] tweaked toml for crates.io crate arguably 2.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate arguably 2.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176a48ad5b8a7ba6fc66d81173c340cf90ca80a2e6e855da4ec16cbd9d3fe5e1
[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" "176a48ad5b8a7ba6fc66d81173c340cf90ca80a2e6e855da4ec16cbd9d3fe5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176a48ad5b8a7ba6fc66d81173c340cf90ca80a2e6e855da4ec16cbd9d3fe5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176a48ad5b8a7ba6fc66d81173c340cf90ca80a2e6e855da4ec16cbd9d3fe5e1", kill_on_drop: false }`
[INFO] [stdout] 176a48ad5b8a7ba6fc66d81173c340cf90ca80a2e6e855da4ec16cbd9d3fe5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff0fc3f0edd1892240c903ef5f6219d88dbb3e673596caf370913ae571f87612
[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" "ff0fc3f0edd1892240c903ef5f6219d88dbb3e673596caf370913ae571f87612", kill_on_drop: false }`
[INFO] [stderr]    Compiling arguably v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "ff0fc3f0edd1892240c903ef5f6219d88dbb3e673596caf370913ae571f87612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0fc3f0edd1892240c903ef5f6219d88dbb3e673596caf370913ae571f87612", kill_on_drop: false }`
[INFO] [stdout] ff0fc3f0edd1892240c903ef5f6219d88dbb3e673596caf370913ae571f87612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 317edae86da5188589f911c0fd64e3ceb66d5cc7520623dc64dc1f9f915b9dbe
[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" "317edae86da5188589f911c0fd64e3ceb66d5cc7520623dc64dc1f9f915b9dbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling arguably v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "317edae86da5188589f911c0fd64e3ceb66d5cc7520623dc64dc1f9f915b9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317edae86da5188589f911c0fd64e3ceb66d5cc7520623dc64dc1f9f915b9dbe", kill_on_drop: false }`
[INFO] [stdout] 317edae86da5188589f911c0fd64e3ceb66d5cc7520623dc64dc1f9f915b9dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91aaa330523223904c775a4d15b3e35fdf824b482f0ede0c10e86f6b7b21c26e
[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" "91aaa330523223904c775a4d15b3e35fdf824b482f0ede0c10e86f6b7b21c26e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arguably-e0f60096bf54434a
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-96148961a606007c
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test command_missing ... ok
[INFO] [stdout] test flag_empty_input ... ok
[INFO] [stdout] test flag_multiple_condensed ... ok
[INFO] [stdout] test flag_multiple_long ... ok
[INFO] [stdout] test flag_present_long ... ok
[INFO] [stdout] test option_missing ... ok
[INFO] [stdout] test option_multiple_values ... ok
[INFO] [stdout] test option_present_long ... ok
[INFO] [stdout] test arguments_empty_input ... ok
[INFO] [stdout] test flag_missing ... ok
[INFO] [stdout] test command_found ... ok
[INFO] [stdout] test option_present_short ... ok
[INFO] [stdout] test option_empty_input ... ok
[INFO] [stdout] test flag_multiple_mixed ... ok
[INFO] [stdout] test arguments_found ... ok
[INFO] [stdout] test flag_multiple_short ... ok
[INFO] [stdout] test flag_present_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arguably
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - ArgParser (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::parse (line 287) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::helptext (line 144) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::version (line 158) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::flag (line 192) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::option (line 172) ... ok
[INFO] [stdout] test src/lib.rs - ArgParser::command (line 212) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91aaa330523223904c775a4d15b3e35fdf824b482f0ede0c10e86f6b7b21c26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aaa330523223904c775a4d15b3e35fdf824b482f0ede0c10e86f6b7b21c26e", kill_on_drop: false }`
[INFO] [stdout] 91aaa330523223904c775a4d15b3e35fdf824b482f0ede0c10e86f6b7b21c26e