[INFO] cloning repository https://github.com/Joxx0r/RustInitialLearningWork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joxx0r/RustInitialLearningWork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoxx0r%2FRustInitialLearningWork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoxx0r%2FRustInitialLearningWork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61c14717e285e81be490dcd5fa9867ce477d5de9
[INFO] checking Joxx0r/RustInitialLearningWork against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoxx0r%2FRustInitialLearningWork" "/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/Joxx0r/RustInitialLearningWork 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/Joxx0r/RustInitialLearningWork
[INFO] finished tweaking git repo https://github.com/Joxx0r/RustInitialLearningWork
[INFO] tweaked toml for git repo https://github.com/Joxx0r/RustInitialLearningWork written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Joxx0r/RustInitialLearningWork 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] [stderr] warning: unused manifest key: package.RUST_BACKTRACE
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 37ceca54c9781afd530830c12466e3e5a0f150072bf585a18f4c731aed4f62ee
[INFO] running `Command { std: "docker" "start" "-a" "37ceca54c9781afd530830c12466e3e5a0f150072bf585a18f4c731aed4f62ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ceca54c9781afd530830c12466e3e5a0f150072bf585a18f4c731aed4f62ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ceca54c9781afd530830c12466e3e5a0f150072bf585a18f4c731aed4f62ee", kill_on_drop: false }`
[INFO] [stdout] 37ceca54c9781afd530830c12466e3e5a0f150072bf585a18f4c731aed4f62ee
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] b3f4cb1a5f7e5b245065755615a82d837ae46a2dd61d17953de755c5f956ebb6
[INFO] running `Command { std: "docker" "start" "-a" "b3f4cb1a5f7e5b245065755615a82d837ae46a2dd61d17953de755c5f956ebb6", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.RUST_BACKTRACE
[INFO] [stderr]     Checking tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b3f4cb1a5f7e5b245065755615a82d837ae46a2dd61d17953de755c5f956ebb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f4cb1a5f7e5b245065755615a82d837ae46a2dd61d17953de755c5f956ebb6", kill_on_drop: false }`
[INFO] [stdout] b3f4cb1a5f7e5b245065755615a82d837ae46a2dd61d17953de755c5f956ebb6
