[INFO] cloning repository https://github.com/hiramesaurus/Shard-Engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiramesaurus/Shard-Engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiramesaurus%2FShard-Engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiramesaurus%2FShard-Engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a573c79da43f3afd6adb66b4ab224cb69751cab
[INFO] checking hiramesaurus/Shard-Engine against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiramesaurus%2FShard-Engine" "/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/hiramesaurus/Shard-Engine on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hiramesaurus/Shard-Engine
[INFO] finished tweaking git repo https://github.com/hiramesaurus/Shard-Engine
[INFO] tweaked toml for git repo https://github.com/hiramesaurus/Shard-Engine written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hiramesaurus/Shard-Engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288dedaf489f76a80d7e66866a14bdd19cb0fdf20b274dfc0ef45221b1680210
[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" "288dedaf489f76a80d7e66866a14bdd19cb0fdf20b274dfc0ef45221b1680210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288dedaf489f76a80d7e66866a14bdd19cb0fdf20b274dfc0ef45221b1680210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288dedaf489f76a80d7e66866a14bdd19cb0fdf20b274dfc0ef45221b1680210", kill_on_drop: false }`
[INFO] [stdout] 288dedaf489f76a80d7e66866a14bdd19cb0fdf20b274dfc0ef45221b1680210
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3a0f65683ad8c85027b11ef1a9fc5542c58236e3ac571de35021cf1dd83d8c
[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" "be3a0f65683ad8c85027b11ef1a9fc5542c58236e3ac571de35021cf1dd83d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking ShardEngine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `ShardEngine` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `shard_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ShardEngine` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `shard_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.27s
[INFO] running `Command { std: "docker" "inspect" "be3a0f65683ad8c85027b11ef1a9fc5542c58236e3ac571de35021cf1dd83d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3a0f65683ad8c85027b11ef1a9fc5542c58236e3ac571de35021cf1dd83d8c", kill_on_drop: false }`
[INFO] [stdout] be3a0f65683ad8c85027b11ef1a9fc5542c58236e3ac571de35021cf1dd83d8c