[INFO] cloning repository https://github.com/Diiso/rust_guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Diiso/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiiso%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiiso%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1245ae96dc2b1c6a0ce28fbb2ce038ffd3df9140
[INFO] checking Diiso/rust_guessing_game against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiiso%2Frust_guessing_game" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  70% (9762/13757)   
Checking out files:  71% (9768/13757)   
Checking out files:  72% (9906/13757)   
Checking out files:  73% (10043/13757)   
Checking out files:  74% (10181/13757)   
Checking out files:  75% (10318/13757)   
Checking out files:  76% (10456/13757)   
Checking out files:  77% (10593/13757)   
Checking out files:  78% (10731/13757)   
Checking out files:  79% (10869/13757)   
Checking out files:  80% (11006/13757)   
Checking out files:  81% (11144/13757)   
Checking out files:  82% (11281/13757)   
Checking out files:  83% (11419/13757)   
Checking out files:  84% (11556/13757)   
Checking out files:  85% (11694/13757)   
Checking out files:  86% (11832/13757)   
Checking out files:  87% (11969/13757)   
Checking out files:  88% (12107/13757)   
Checking out files:  89% (12244/13757)   
Checking out files:  90% (12382/13757)   
Checking out files:  91% (12519/13757)   
Checking out files:  92% (12657/13757)   
Checking out files:  93% (12795/13757)   
Checking out files:  94% (12932/13757)   
Checking out files:  95% (13070/13757)   
Checking out files:  96% (13207/13757)   
Checking out files:  97% (13345/13757)   
Checking out files:  98% (13482/13757)   
Checking out files:  99% (13620/13757)   
Checking out files: 100% (13757/13757)   
Checking out files: 100% (13757/13757), done.
[INFO] validating manifest of git repo https://github.com/Diiso/rust_guessing_game on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Diiso/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/Diiso/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/Diiso/rust_guessing_game written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Diiso/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5187416a5f0932fce1fa8284be541258af353edd965bbd14e41bd6a6db9f140
[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" "b5187416a5f0932fce1fa8284be541258af353edd965bbd14e41bd6a6db9f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5187416a5f0932fce1fa8284be541258af353edd965bbd14e41bd6a6db9f140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5187416a5f0932fce1fa8284be541258af353edd965bbd14e41bd6a6db9f140", kill_on_drop: false }`
[INFO] [stdout] b5187416a5f0932fce1fa8284be541258af353edd965bbd14e41bd6a6db9f140
[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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e03a5373672d83a3a59839e3782f78c9d91a7f589458af002b05982f43a9e1
[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" "d1e03a5373672d83a3a59839e3782f78c9d91a7f589458af002b05982f43a9e1", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "d1e03a5373672d83a3a59839e3782f78c9d91a7f589458af002b05982f43a9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e03a5373672d83a3a59839e3782f78c9d91a7f589458af002b05982f43a9e1", kill_on_drop: false }`
[INFO] [stdout] d1e03a5373672d83a3a59839e3782f78c9d91a7f589458af002b05982f43a9e1