[INFO] cloning repository https://github.com/DmitrijVC/HarmonyExecuter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitrijVC/HarmonyExecuter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2FHarmonyExecuter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2FHarmonyExecuter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 543d590fdb7c689947083fff0d2a0d7fce007e02
[INFO] checking DmitrijVC/HarmonyExecuter against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2FHarmonyExecuter" "/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/DmitrijVC/HarmonyExecuter on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DmitrijVC/HarmonyExecuter
[INFO] finished tweaking git repo https://github.com/DmitrijVC/HarmonyExecuter
[INFO] tweaked toml for git repo https://github.com/DmitrijVC/HarmonyExecuter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DmitrijVC/HarmonyExecuter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 918e1b6d3675782303ef1e6458f81144d15d34d4ed3e841586634880250fd8fa
[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" "918e1b6d3675782303ef1e6458f81144d15d34d4ed3e841586634880250fd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "918e1b6d3675782303ef1e6458f81144d15d34d4ed3e841586634880250fd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918e1b6d3675782303ef1e6458f81144d15d34d4ed3e841586634880250fd8fa", kill_on_drop: false }`
[INFO] [stdout] 918e1b6d3675782303ef1e6458f81144d15d34d4ed3e841586634880250fd8fa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c41092111322d5848c1ebf47a8c3e0e65d93946c8472c8389800de2cf3d2fe4
[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" "3c41092111322d5848c1ebf47a8c3e0e65d93946c8472c8389800de2cf3d2fe4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking HarmonyExecuter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `HarmonyExecuter` 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: `harmony_executer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `HarmonyExecuter` 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: `harmony_executer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "3c41092111322d5848c1ebf47a8c3e0e65d93946c8472c8389800de2cf3d2fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c41092111322d5848c1ebf47a8c3e0e65d93946c8472c8389800de2cf3d2fe4", kill_on_drop: false }`
[INFO] [stdout] 3c41092111322d5848c1ebf47a8c3e0e65d93946c8472c8389800de2cf3d2fe4