[INFO] cloning repository https://github.com/llamicron/rusty_guessing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llamicron/rusty_guessing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Frusty_guessing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Frusty_guessing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d274e619e1713b381a1c1362c57349b597abab5
[INFO] testing llamicron/rusty_guessing against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Frusty_guessing" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llamicron/rusty_guessing 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/llamicron/rusty_guessing
[INFO] finished tweaking git repo https://github.com/llamicron/rusty_guessing
[INFO] tweaked toml for git repo https://github.com/llamicron/rusty_guessing written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/llamicron/rusty_guessing 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] 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 03fd5c4c3938a8b91b8ea432c1454425ff856a00a3f2968150641db74f986ff0
[INFO] running `Command { std: "docker" "start" "-a" "03fd5c4c3938a8b91b8ea432c1454425ff856a00a3f2968150641db74f986ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03fd5c4c3938a8b91b8ea432c1454425ff856a00a3f2968150641db74f986ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fd5c4c3938a8b91b8ea432c1454425ff856a00a3f2968150641db74f986ff0", kill_on_drop: false }`
[INFO] [stdout] 03fd5c4c3938a8b91b8ea432c1454425ff856a00a3f2968150641db74f986ff0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6658287d769ac91ef8559047a8f382d3eb6ece5da7e79e2aed8496755642006
[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" "b6658287d769ac91ef8559047a8f382d3eb6ece5da7e79e2aed8496755642006", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "b6658287d769ac91ef8559047a8f382d3eb6ece5da7e79e2aed8496755642006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6658287d769ac91ef8559047a8f382d3eb6ece5da7e79e2aed8496755642006", kill_on_drop: false }`
[INFO] [stdout] b6658287d769ac91ef8559047a8f382d3eb6ece5da7e79e2aed8496755642006
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbe99afccd229ebfc95888dea690e2e2ed744a49a0a499452ef9247df8aacfa
[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" "2bbe99afccd229ebfc95888dea690e2e2ed744a49a0a499452ef9247df8aacfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2bbe99afccd229ebfc95888dea690e2e2ed744a49a0a499452ef9247df8aacfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbe99afccd229ebfc95888dea690e2e2ed744a49a0a499452ef9247df8aacfa", kill_on_drop: false }`
[INFO] [stdout] 2bbe99afccd229ebfc95888dea690e2e2ed744a49a0a499452ef9247df8aacfa
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 006dcc2d4b874d647755ed5bf9dd71287a09f1368657ca0815d5cdbdac0f8631
[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" "006dcc2d4b874d647755ed5bf9dd71287a09f1368657ca0815d5cdbdac0f8631", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guess-2f4a2e4ad60c0c56
[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" "006dcc2d4b874d647755ed5bf9dd71287a09f1368657ca0815d5cdbdac0f8631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006dcc2d4b874d647755ed5bf9dd71287a09f1368657ca0815d5cdbdac0f8631", kill_on_drop: false }`
[INFO] [stdout] 006dcc2d4b874d647755ed5bf9dd71287a09f1368657ca0815d5cdbdac0f8631