[INFO] cloning repository https://github.com/asheidan/minimal-rust-docker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asheidan/minimal-rust-docker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Fminimal-rust-docker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Fminimal-rust-docker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87e2ab0ab6c397bdd50d6f63f15b1434d2beae07
[INFO] checking asheidan/minimal-rust-docker against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasheidan%2Fminimal-rust-docker" "/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/asheidan/minimal-rust-docker 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/asheidan/minimal-rust-docker
[INFO] finished tweaking git repo https://github.com/asheidan/minimal-rust-docker
[INFO] tweaked toml for git repo https://github.com/asheidan/minimal-rust-docker written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/asheidan/minimal-rust-docker 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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b088ad4cc61940a0430f3e4f5996ac5bd584365ef29d961d19def45084ab9362
[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" "b088ad4cc61940a0430f3e4f5996ac5bd584365ef29d961d19def45084ab9362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b088ad4cc61940a0430f3e4f5996ac5bd584365ef29d961d19def45084ab9362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b088ad4cc61940a0430f3e4f5996ac5bd584365ef29d961d19def45084ab9362", kill_on_drop: false }`
[INFO] [stdout] b088ad4cc61940a0430f3e4f5996ac5bd584365ef29d961d19def45084ab9362
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 946003ae5a15c36f0751ed00deb8b73811799400728f2469a174abe058bc8f80
[INFO] running `Command { std: "docker" "start" "-a" "946003ae5a15c36f0751ed00deb8b73811799400728f2469a174abe058bc8f80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking phf_shared v0.7.22
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking dockerrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "946003ae5a15c36f0751ed00deb8b73811799400728f2469a174abe058bc8f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946003ae5a15c36f0751ed00deb8b73811799400728f2469a174abe058bc8f80", kill_on_drop: false }`
[INFO] [stdout] 946003ae5a15c36f0751ed00deb8b73811799400728f2469a174abe058bc8f80