[INFO] cloning repository https://github.com/walfie/rust-musl-docker-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walfie/rust-musl-docker-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frust-musl-docker-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frust-musl-docker-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f52aa1d6b45fd67eb3bc9e6b4f479dc268954c
[INFO] checking walfie/rust-musl-docker-example against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frust-musl-docker-example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walfie/rust-musl-docker-example 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/walfie/rust-musl-docker-example
[INFO] finished tweaking git repo https://github.com/walfie/rust-musl-docker-example
[INFO] tweaked toml for git repo https://github.com/walfie/rust-musl-docker-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/walfie/rust-musl-docker-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4855d46c0a82bcb0e3dcf10aa0de1d14b779b79068f63856fb6ba5b93b74e88f
[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" "4855d46c0a82bcb0e3dcf10aa0de1d14b779b79068f63856fb6ba5b93b74e88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4855d46c0a82bcb0e3dcf10aa0de1d14b779b79068f63856fb6ba5b93b74e88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4855d46c0a82bcb0e3dcf10aa0de1d14b779b79068f63856fb6ba5b93b74e88f", kill_on_drop: false }`
[INFO] [stdout] 4855d46c0a82bcb0e3dcf10aa0de1d14b779b79068f63856fb6ba5b93b74e88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d6d106fb724143246d95aa77323bd2cab5902a338d14d3a095901aa8b5444d19
[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" "d6d106fb724143246d95aa77323bd2cab5902a338d14d3a095901aa8b5444d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking rust-musl-docker-example v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.55s
[INFO] running `Command { std: "docker" "inspect" "d6d106fb724143246d95aa77323bd2cab5902a338d14d3a095901aa8b5444d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d106fb724143246d95aa77323bd2cab5902a338d14d3a095901aa8b5444d19", kill_on_drop: false }`
[INFO] [stdout] d6d106fb724143246d95aa77323bd2cab5902a338d14d3a095901aa8b5444d19