[INFO] cloning repository https://github.com/corodiak/Rust_Excercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corodiak/Rust_Excercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 058f4d2499ffbd7d39660fd272bd7f33f07012e1
[INFO] testing corodiak/Rust_Excercises against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorodiak%2FRust_Excercises" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corodiak/Rust_Excercises 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/corodiak/Rust_Excercises
[INFO] finished tweaking git repo https://github.com/corodiak/Rust_Excercises
[INFO] tweaked toml for git repo https://github.com/corodiak/Rust_Excercises written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/corodiak/Rust_Excercises 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae1715f1a6af1bfd25aac9b5f9387efe9f4b46c7ac2bb5d5ee3b87b8ea9e1b8e
[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" "ae1715f1a6af1bfd25aac9b5f9387efe9f4b46c7ac2bb5d5ee3b87b8ea9e1b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae1715f1a6af1bfd25aac9b5f9387efe9f4b46c7ac2bb5d5ee3b87b8ea9e1b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1715f1a6af1bfd25aac9b5f9387efe9f4b46c7ac2bb5d5ee3b87b8ea9e1b8e", kill_on_drop: false }`
[INFO] [stdout] ae1715f1a6af1bfd25aac9b5f9387efe9f4b46c7ac2bb5d5ee3b87b8ea9e1b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 175ea78dddc975d0597d4f9c152b81e5102b778948e4bfcbd04f6233e9482b15
[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" "175ea78dddc975d0597d4f9c152b81e5102b778948e4bfcbd04f6233e9482b15", kill_on_drop: false }`
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "175ea78dddc975d0597d4f9c152b81e5102b778948e4bfcbd04f6233e9482b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175ea78dddc975d0597d4f9c152b81e5102b778948e4bfcbd04f6233e9482b15", kill_on_drop: false }`
[INFO] [stdout] 175ea78dddc975d0597d4f9c152b81e5102b778948e4bfcbd04f6233e9482b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c91236afe4c4bc2b8ff73224e850d2b65c51dd4914f95f45444fd88582064f07
[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" "c91236afe4c4bc2b8ff73224e850d2b65c51dd4914f95f45444fd88582064f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling excercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c91236afe4c4bc2b8ff73224e850d2b65c51dd4914f95f45444fd88582064f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91236afe4c4bc2b8ff73224e850d2b65c51dd4914f95f45444fd88582064f07", kill_on_drop: false }`
[INFO] [stdout] c91236afe4c4bc2b8ff73224e850d2b65c51dd4914f95f45444fd88582064f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b461dcddcead4d8dd8b1331bf5fc0e9f6638670ba0acf10f31f06aaf5c56b493
[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" "b461dcddcead4d8dd8b1331bf5fc0e9f6638670ba0acf10f31f06aaf5c56b493", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/excercises-5eb91c103042adb8
[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" "b461dcddcead4d8dd8b1331bf5fc0e9f6638670ba0acf10f31f06aaf5c56b493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b461dcddcead4d8dd8b1331bf5fc0e9f6638670ba0acf10f31f06aaf5c56b493", kill_on_drop: false }`
[INFO] [stdout] b461dcddcead4d8dd8b1331bf5fc0e9f6638670ba0acf10f31f06aaf5c56b493