[INFO] cloning repository https://github.com/Eriolp/rust-practices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eriolp/rust-practices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEriolp%2Frust-practices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEriolp%2Frust-practices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b10f64277a24e2186d15bddc3d8c6d59832673d2
[INFO] checking Eriolp/rust-practices against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEriolp%2Frust-practices" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eriolp/rust-practices on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eriolp/rust-practices
[INFO] finished tweaking git repo https://github.com/Eriolp/rust-practices
[INFO] tweaked toml for git repo https://github.com/Eriolp/rust-practices written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Eriolp/rust-practices already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 925cfd4e06d924515d7bcd8bbaa8fa302926ca62877db8a221eb149a09efdbe4
[INFO] running `Command { std: "docker" "start" "-a" "925cfd4e06d924515d7bcd8bbaa8fa302926ca62877db8a221eb149a09efdbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925cfd4e06d924515d7bcd8bbaa8fa302926ca62877db8a221eb149a09efdbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925cfd4e06d924515d7bcd8bbaa8fa302926ca62877db8a221eb149a09efdbe4", kill_on_drop: false }`
[INFO] [stdout] 925cfd4e06d924515d7bcd8bbaa8fa302926ca62877db8a221eb149a09efdbe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf8aa2a90450cd9a4710d6728f0c91f5956e62ce1c36ad1c76cab3d7f61ec28
[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" "9cf8aa2a90450cd9a4710d6728f0c91f5956e62ce1c36ad1c76cab3d7f61ec28", 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 0.95s
[INFO] running `Command { std: "docker" "inspect" "9cf8aa2a90450cd9a4710d6728f0c91f5956e62ce1c36ad1c76cab3d7f61ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf8aa2a90450cd9a4710d6728f0c91f5956e62ce1c36ad1c76cab3d7f61ec28", kill_on_drop: false }`
[INFO] [stdout] 9cf8aa2a90450cd9a4710d6728f0c91f5956e62ce1c36ad1c76cab3d7f61ec28