[INFO] cloning repository https://github.com/clifton/rust-averaged-collection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clifton/rust-averaged-collection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclifton%2Frust-averaged-collection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclifton%2Frust-averaged-collection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4224d9cbf9bbe84ae51dc0f44ff7b8210108b5cf
[INFO] checking clifton/rust-averaged-collection against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclifton%2Frust-averaged-collection" "/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/clifton/rust-averaged-collection on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clifton/rust-averaged-collection
[INFO] finished tweaking git repo https://github.com/clifton/rust-averaged-collection
[INFO] tweaked toml for git repo https://github.com/clifton/rust-averaged-collection written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/clifton/rust-averaged-collection already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] b77b06e732fd86b9bf0c575bd3eb76748602dea9520c7525d24d1e01f7d628c7
[INFO] running `Command { std: "docker" "start" "-a" "b77b06e732fd86b9bf0c575bd3eb76748602dea9520c7525d24d1e01f7d628c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b77b06e732fd86b9bf0c575bd3eb76748602dea9520c7525d24d1e01f7d628c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77b06e732fd86b9bf0c575bd3eb76748602dea9520c7525d24d1e01f7d628c7", kill_on_drop: false }`
[INFO] [stdout] b77b06e732fd86b9bf0c575bd3eb76748602dea9520c7525d24d1e01f7d628c7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34d138f77424b817f6b974cf9a3ecc40c414e51be2c60e06a36b858c4a5423d
[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" "e34d138f77424b817f6b974cf9a3ecc40c414e51be2c60e06a36b858c4a5423d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking averaged_collection v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "e34d138f77424b817f6b974cf9a3ecc40c414e51be2c60e06a36b858c4a5423d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34d138f77424b817f6b974cf9a3ecc40c414e51be2c60e06a36b858c4a5423d", kill_on_drop: false }`
[INFO] [stdout] e34d138f77424b817f6b974cf9a3ecc40c414e51be2c60e06a36b858c4a5423d