[INFO] cloning repository https://github.com/derwolfe/vpn-secret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derwolfe/vpn-secret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderwolfe%2Fvpn-secret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderwolfe%2Fvpn-secret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9398d96b865634459b5b16e91e1f324c890f13e
[INFO] checking derwolfe/vpn-secret against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderwolfe%2Fvpn-secret" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derwolfe/vpn-secret on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derwolfe/vpn-secret
[INFO] finished tweaking git repo https://github.com/derwolfe/vpn-secret
[INFO] tweaked toml for git repo https://github.com/derwolfe/vpn-secret written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/derwolfe/vpn-secret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", 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] f40697ffdcfd18bd23ae515020d06fc9a54d76e75ca5aac7c35956f0f75c4f1d
[INFO] running `Command { std: "docker" "start" "-a" "f40697ffdcfd18bd23ae515020d06fc9a54d76e75ca5aac7c35956f0f75c4f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40697ffdcfd18bd23ae515020d06fc9a54d76e75ca5aac7c35956f0f75c4f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40697ffdcfd18bd23ae515020d06fc9a54d76e75ca5aac7c35956f0f75c4f1d", kill_on_drop: false }`
[INFO] [stdout] f40697ffdcfd18bd23ae515020d06fc9a54d76e75ca5aac7c35956f0f75c4f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 1e4822222540866c88635e88e9adb7900cf046f33671f6f8273e720a6172a9f4
[INFO] running `Command { std: "docker" "start" "-a" "1e4822222540866c88635e88e9adb7900cf046f33671f6f8273e720a6172a9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]    Compiling libgpg-error-sys v0.2.3
[INFO] [stderr]    Compiling gpgme-sys v0.6.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking gpg-error v0.2.2
[INFO] [stderr]     Checking gpgme v0.6.0
[INFO] [stderr]     Checking vpn-secret v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "1e4822222540866c88635e88e9adb7900cf046f33671f6f8273e720a6172a9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4822222540866c88635e88e9adb7900cf046f33671f6f8273e720a6172a9f4", kill_on_drop: false }`
[INFO] [stdout] 1e4822222540866c88635e88e9adb7900cf046f33671f6f8273e720a6172a9f4