[INFO] cloning repository https://github.com/Cyber28/mmYes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cyber28/mmYes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyber28%2FmmYes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyber28%2FmmYes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59a11ac377c70f745399bd6a7cc808cc137f41cc
[INFO] checking Cyber28/mmYes against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyber28%2FmmYes" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cyber28/mmYes on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cyber28/mmYes
[INFO] finished tweaking git repo https://github.com/Cyber28/mmYes
[INFO] tweaked toml for git repo https://github.com/Cyber28/mmYes written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Cyber28/mmYes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 77cb8b486cb647db8d6962fa64f5c8cb9d1bfd83b0106f6b88eea23f4fbd4190
[INFO] running `Command { std: "docker" "start" "-a" "77cb8b486cb647db8d6962fa64f5c8cb9d1bfd83b0106f6b88eea23f4fbd4190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77cb8b486cb647db8d6962fa64f5c8cb9d1bfd83b0106f6b88eea23f4fbd4190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cb8b486cb647db8d6962fa64f5c8cb9d1bfd83b0106f6b88eea23f4fbd4190", kill_on_drop: false }`
[INFO] [stdout] 77cb8b486cb647db8d6962fa64f5c8cb9d1bfd83b0106f6b88eea23f4fbd4190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] eb51f46f1530d22e6fe0af7ca5553b61d60e1f475ec2571b43ba88d4fb05850c
[INFO] running `Command { std: "docker" "start" "-a" "eb51f46f1530d22e6fe0af7ca5553b61d60e1f475ec2571b43ba88d4fb05850c", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking mmyes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `servers`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     servers: Vec<u16>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `servers`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     servers: Vec<u16>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "eb51f46f1530d22e6fe0af7ca5553b61d60e1f475ec2571b43ba88d4fb05850c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb51f46f1530d22e6fe0af7ca5553b61d60e1f475ec2571b43ba88d4fb05850c", kill_on_drop: false }`
[INFO] [stdout] eb51f46f1530d22e6fe0af7ca5553b61d60e1f475ec2571b43ba88d4fb05850c