[INFO] cloning repository https://github.com/timotree3/amlion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timotree3/amlion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimotree3%2Famlion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimotree3%2Famlion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cabd391d1b93ac13b882c2b3be45f9e66761ea4
[INFO] testing timotree3/amlion against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimotree3%2Famlion" "/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/timotree3/amlion on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timotree3/amlion
[INFO] finished tweaking git repo https://github.com/timotree3/amlion
[INFO] tweaked toml for git repo https://github.com/timotree3/amlion written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/timotree3/amlion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24711b9875a2b143f514e753814ab3157c5e470adec8dc4ced0bad072d656074
[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" "24711b9875a2b143f514e753814ab3157c5e470adec8dc4ced0bad072d656074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24711b9875a2b143f514e753814ab3157c5e470adec8dc4ced0bad072d656074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24711b9875a2b143f514e753814ab3157c5e470adec8dc4ced0bad072d656074", kill_on_drop: false }`
[INFO] [stdout] 24711b9875a2b143f514e753814ab3157c5e470adec8dc4ced0bad072d656074
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1476e914231b40b3d4eac73f9a7b2fbe54da5d11da5423f3aa323d3c208a10c0
[INFO] running `Command { std: "docker" "start" "-a" "1476e914231b40b3d4eac73f9a7b2fbe54da5d11da5423f3aa323d3c208a10c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter_puzzle_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "1476e914231b40b3d4eac73f9a7b2fbe54da5d11da5423f3aa323d3c208a10c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1476e914231b40b3d4eac73f9a7b2fbe54da5d11da5423f3aa323d3c208a10c0", kill_on_drop: false }`
[INFO] [stdout] 1476e914231b40b3d4eac73f9a7b2fbe54da5d11da5423f3aa323d3c208a10c0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 43697fa9aac2bcf288e7fc9dd4bff24198034e5a2fbe2277f036a102560102e4
[INFO] running `Command { std: "docker" "start" "-a" "43697fa9aac2bcf288e7fc9dd4bff24198034e5a2fbe2277f036a102560102e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter_puzzle_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "43697fa9aac2bcf288e7fc9dd4bff24198034e5a2fbe2277f036a102560102e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43697fa9aac2bcf288e7fc9dd4bff24198034e5a2fbe2277f036a102560102e4", kill_on_drop: false }`
[INFO] [stdout] 43697fa9aac2bcf288e7fc9dd4bff24198034e5a2fbe2277f036a102560102e4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 7ebbbd2d938d266dec02eac5d31677d62170200d52c90d6612868b3e4e4e2ff2
[INFO] running `Command { std: "docker" "start" "-a" "7ebbbd2d938d266dec02eac5d31677d62170200d52c90d6612868b3e4e4e2ff2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/letter_puzzle_solver-fcd5cbc71519a85f
[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" "7ebbbd2d938d266dec02eac5d31677d62170200d52c90d6612868b3e4e4e2ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebbbd2d938d266dec02eac5d31677d62170200d52c90d6612868b3e4e4e2ff2", kill_on_drop: false }`
[INFO] [stdout] 7ebbbd2d938d266dec02eac5d31677d62170200d52c90d6612868b3e4e4e2ff2