[INFO] cloning repository https://github.com/Lilahamstern/rust-devcontainer-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lilahamstern/rust-devcontainer-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilahamstern%2Frust-devcontainer-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilahamstern%2Frust-devcontainer-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8979e6b0b94686d0afa506ca103de8193cb2e918
[INFO] checking Lilahamstern/rust-devcontainer-template against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLilahamstern%2Frust-devcontainer-template" "/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/Lilahamstern/rust-devcontainer-template 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/Lilahamstern/rust-devcontainer-template
[INFO] finished tweaking git repo https://github.com/Lilahamstern/rust-devcontainer-template
[INFO] tweaked toml for git repo https://github.com/Lilahamstern/rust-devcontainer-template written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Lilahamstern/rust-devcontainer-template 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] [stdout] 7a654612d9da7e9adbbf6f1ba388f7952e7a8ac461cd19746e7ab9b074c7daea
[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" "7a654612d9da7e9adbbf6f1ba388f7952e7a8ac461cd19746e7ab9b074c7daea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a654612d9da7e9adbbf6f1ba388f7952e7a8ac461cd19746e7ab9b074c7daea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a654612d9da7e9adbbf6f1ba388f7952e7a8ac461cd19746e7ab9b074c7daea", kill_on_drop: false }`
[INFO] [stdout] 7a654612d9da7e9adbbf6f1ba388f7952e7a8ac461cd19746e7ab9b074c7daea
[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] [stdout] f48bdc39e997a0b9e49edc1c3effa5d257e748bd0bbdd83ed6cf4f5abba32fcb
[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" "f48bdc39e997a0b9e49edc1c3effa5d257e748bd0bbdd83ed6cf4f5abba32fcb", kill_on_drop: false }`
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.2
[INFO] [stderr]     Checking rust-devcontainer-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "f48bdc39e997a0b9e49edc1c3effa5d257e748bd0bbdd83ed6cf4f5abba32fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48bdc39e997a0b9e49edc1c3effa5d257e748bd0bbdd83ed6cf4f5abba32fcb", kill_on_drop: false }`
[INFO] [stdout] f48bdc39e997a0b9e49edc1c3effa5d257e748bd0bbdd83ed6cf4f5abba32fcb