[INFO] cloning repository https://github.com/Gruximillian/rust-fibonnaci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gruximillian/rust-fibonnaci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-fibonnaci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-fibonnaci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28793be4cede635ea5d7759621dbc758a6c30894
[INFO] testing Gruximillian/rust-fibonnaci against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-fibonnaci" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gruximillian/rust-fibonnaci 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/Gruximillian/rust-fibonnaci
[INFO] finished tweaking git repo https://github.com/Gruximillian/rust-fibonnaci
[INFO] tweaked toml for git repo https://github.com/Gruximillian/rust-fibonnaci written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Gruximillian/rust-fibonnaci 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 77f0e10ce280f6d4941e1b1b29c502573d29d633d51468f718e4bb64e5cf9dc6
[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" "77f0e10ce280f6d4941e1b1b29c502573d29d633d51468f718e4bb64e5cf9dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f0e10ce280f6d4941e1b1b29c502573d29d633d51468f718e4bb64e5cf9dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f0e10ce280f6d4941e1b1b29c502573d29d633d51468f718e4bb64e5cf9dc6", kill_on_drop: false }`
[INFO] [stdout] 77f0e10ce280f6d4941e1b1b29c502573d29d633d51468f718e4bb64e5cf9dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a79e3480d31379fbc757082aa874e8dd11db60b5b0c833e3487a6d0cc2be78b8
[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" "a79e3480d31379fbc757082aa874e8dd11db60b5b0c833e3487a6d0cc2be78b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch_03_fibonnaci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "a79e3480d31379fbc757082aa874e8dd11db60b5b0c833e3487a6d0cc2be78b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79e3480d31379fbc757082aa874e8dd11db60b5b0c833e3487a6d0cc2be78b8", kill_on_drop: false }`
[INFO] [stdout] a79e3480d31379fbc757082aa874e8dd11db60b5b0c833e3487a6d0cc2be78b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] fadf0001028c96080a6a4ace160811df02dbd3e1dad49815783ebaa36de49f0c
[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" "fadf0001028c96080a6a4ace160811df02dbd3e1dad49815783ebaa36de49f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch_03_fibonnaci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "fadf0001028c96080a6a4ace160811df02dbd3e1dad49815783ebaa36de49f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf0001028c96080a6a4ace160811df02dbd3e1dad49815783ebaa36de49f0c", kill_on_drop: false }`
[INFO] [stdout] fadf0001028c96080a6a4ace160811df02dbd3e1dad49815783ebaa36de49f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8904f318bc3175934b93cc86ef5f8711200296b9b5bb8b53afe20854273b3d5
[INFO] running `Command { std: "docker" "start" "-a" "f8904f318bc3175934b93cc86ef5f8711200296b9b5bb8b53afe20854273b3d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ch_03_fibonnaci-a5c8ee8c7fedc203
[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" "f8904f318bc3175934b93cc86ef5f8711200296b9b5bb8b53afe20854273b3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8904f318bc3175934b93cc86ef5f8711200296b9b5bb8b53afe20854273b3d5", kill_on_drop: false }`
[INFO] [stdout] f8904f318bc3175934b93cc86ef5f8711200296b9b5bb8b53afe20854273b3d5