[INFO] cloning repository https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/82ba10b5e8dc/learning-rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F82ba10b5e8dc%2Flearning-rust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F82ba10b5e8dc%2Flearning-rust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c893835dda9f142bf80bde71c2d5c1befa638ca
[INFO] testing 82ba10b5e8dc/learning-rust-book against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F82ba10b5e8dc%2Flearning-rust-book" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/82ba10b5e8dc/learning-rust-book on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] finished tweaking git repo https://github.com/82ba10b5e8dc/learning-rust-book
[INFO] tweaked toml for git repo https://github.com/82ba10b5e8dc/learning-rust-book written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/82ba10b5e8dc/learning-rust-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 3fee2ce0a34a1418825a9d1d2f4d45ff8d67aa24c2137b39c06e565ca59f7569
[INFO] running `Command { std: "docker" "start" "-a" "3fee2ce0a34a1418825a9d1d2f4d45ff8d67aa24c2137b39c06e565ca59f7569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fee2ce0a34a1418825a9d1d2f4d45ff8d67aa24c2137b39c06e565ca59f7569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fee2ce0a34a1418825a9d1d2f4d45ff8d67aa24c2137b39c06e565ca59f7569", kill_on_drop: false }`
[INFO] [stdout] 3fee2ce0a34a1418825a9d1d2f4d45ff8d67aa24c2137b39c06e565ca59f7569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ae7f8d83030abf22a17fbdaaaca18e1b65991c8f44dda2c9576439e59c8d9f
[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" "c0ae7f8d83030abf22a17fbdaaaca18e1b65991c8f44dda2c9576439e59c8d9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning-rust-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c0ae7f8d83030abf22a17fbdaaaca18e1b65991c8f44dda2c9576439e59c8d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ae7f8d83030abf22a17fbdaaaca18e1b65991c8f44dda2c9576439e59c8d9f", kill_on_drop: false }`
[INFO] [stdout] c0ae7f8d83030abf22a17fbdaaaca18e1b65991c8f44dda2c9576439e59c8d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] f44d18508ab96f1823a30b02baf22fd7cf8af50d9d7c8e98b6f346e26557141d
[INFO] running `Command { std: "docker" "start" "-a" "f44d18508ab96f1823a30b02baf22fd7cf8af50d9d7c8e98b6f346e26557141d", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "f44d18508ab96f1823a30b02baf22fd7cf8af50d9d7c8e98b6f346e26557141d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44d18508ab96f1823a30b02baf22fd7cf8af50d9d7c8e98b6f346e26557141d", kill_on_drop: false }`
[INFO] [stdout] f44d18508ab96f1823a30b02baf22fd7cf8af50d9d7c8e98b6f346e26557141d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7b44ac1f4a1a53a17f84675637c5e1ffa823439d5ee73483a17ddd1bc7883d3
[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" "d7b44ac1f4a1a53a17f84675637c5e1ffa823439d5ee73483a17ddd1bc7883d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust_book-1401c81c075c1707
[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" "d7b44ac1f4a1a53a17f84675637c5e1ffa823439d5ee73483a17ddd1bc7883d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b44ac1f4a1a53a17f84675637c5e1ffa823439d5ee73483a17ddd1bc7883d3", kill_on_drop: false }`
[INFO] [stdout] d7b44ac1f4a1a53a17f84675637c5e1ffa823439d5ee73483a17ddd1bc7883d3