[INFO] cloning repository https://github.com/dairyisscary/learn-rust-part-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dairyisscary/learn-rust-part-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebcdafa695826b096d660dd044c016f777990ab6
[INFO] checking dairyisscary/learn-rust-part-1 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdairyisscary%2Flearn-rust-part-1" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dairyisscary/learn-rust-part-1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dairyisscary/learn-rust-part-1
[INFO] finished tweaking git repo https://github.com/dairyisscary/learn-rust-part-1
[INFO] tweaked toml for git repo https://github.com/dairyisscary/learn-rust-part-1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dairyisscary/learn-rust-part-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baa6268c55f334e29e159e1a3c45f9001bf5332a59716a0d37b3f488b9c37cb6
[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" "baa6268c55f334e29e159e1a3c45f9001bf5332a59716a0d37b3f488b9c37cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa6268c55f334e29e159e1a3c45f9001bf5332a59716a0d37b3f488b9c37cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa6268c55f334e29e159e1a3c45f9001bf5332a59716a0d37b3f488b9c37cb6", kill_on_drop: false }`
[INFO] [stdout] baa6268c55f334e29e159e1a3c45f9001bf5332a59716a0d37b3f488b9c37cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837b6a00f9f89b933820fe664011a62fa70650617bf9eedc09289b5324874c4f
[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" "837b6a00f9f89b933820fe664011a62fa70650617bf9eedc09289b5324874c4f", kill_on_drop: false }`
[INFO] [stderr]     Checking for-your-reference-part-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "837b6a00f9f89b933820fe664011a62fa70650617bf9eedc09289b5324874c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837b6a00f9f89b933820fe664011a62fa70650617bf9eedc09289b5324874c4f", kill_on_drop: false }`
[INFO] [stdout] 837b6a00f9f89b933820fe664011a62fa70650617bf9eedc09289b5324874c4f