[INFO] cloning repository https://github.com/Rakhid16/rust-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rakhid16/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRakhid16%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRakhid16%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dba4970c52c133e3adae481eb1d5552126cbd56
[INFO] checking Rakhid16/rust-101 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRakhid16%2Frust-101" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  82% (188/227)
Updating files:  83% (189/227)
Updating files:  84% (191/227)
Updating files:  85% (193/227)
Updating files:  86% (196/227)
Updating files:  87% (198/227)
Updating files:  88% (200/227)
Updating files:  89% (203/227)
Updating files:  90% (205/227)
Updating files:  91% (207/227)
Updating files:  92% (209/227)
Updating files:  93% (212/227)
Updating files:  94% (214/227)
Updating files:  95% (216/227)
Updating files:  96% (218/227)
Updating files:  97% (221/227)
Updating files:  98% (223/227)
Updating files:  99% (225/227)
Updating files: 100% (227/227)
Updating files: 100% (227/227), done.
[INFO] validating manifest of git repo https://github.com/Rakhid16/rust-101 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rakhid16/rust-101
[INFO] finished tweaking git repo https://github.com/Rakhid16/rust-101
[INFO] tweaked toml for git repo https://github.com/Rakhid16/rust-101 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Rakhid16/rust-101 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475d6eb9739ae89f4fbea2010c6b2d2a4d1c04179039500eb28ef1d5412927cc
[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" "475d6eb9739ae89f4fbea2010c6b2d2a4d1c04179039500eb28ef1d5412927cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475d6eb9739ae89f4fbea2010c6b2d2a4d1c04179039500eb28ef1d5412927cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475d6eb9739ae89f4fbea2010c6b2d2a4d1c04179039500eb28ef1d5412927cc", kill_on_drop: false }`
[INFO] [stdout] 475d6eb9739ae89f4fbea2010c6b2d2a4d1c04179039500eb28ef1d5412927cc
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aadea032344e05c72c48053cf4dbc0b14cac7355a124bb834ff5a1df282fed61
[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" "aadea032344e05c72c48053cf4dbc0b14cac7355a124bb834ff5a1df282fed61", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "aadea032344e05c72c48053cf4dbc0b14cac7355a124bb834ff5a1df282fed61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadea032344e05c72c48053cf4dbc0b14cac7355a124bb834ff5a1df282fed61", kill_on_drop: false }`
[INFO] [stdout] aadea032344e05c72c48053cf4dbc0b14cac7355a124bb834ff5a1df282fed61