[INFO] cloning repository https://github.com/sts10/random_username_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/random_username_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frandom_username_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frandom_username_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edef85199df680ed2e66d893ed8e2580c158931c
[INFO] checking sts10/random_username_generator against master#7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3 for pr-116935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Frandom_username_generator" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sts10/random_username_generator on toolchain 7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/random_username_generator
[INFO] finished tweaking git repo https://github.com/sts10/random_username_generator
[INFO] tweaked toml for git repo https://github.com/sts10/random_username_generator written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/random_username_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 215b701a5c445cde7db9ce3469634d6a2a4044fc14c538795e87dbd969c4178e
[INFO] running `Command { std: "docker" "start" "-a" "215b701a5c445cde7db9ce3469634d6a2a4044fc14c538795e87dbd969c4178e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215b701a5c445cde7db9ce3469634d6a2a4044fc14c538795e87dbd969c4178e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215b701a5c445cde7db9ce3469634d6a2a4044fc14c538795e87dbd969c4178e", kill_on_drop: false }`
[INFO] [stdout] 215b701a5c445cde7db9ce3469634d6a2a4044fc14c538795e87dbd969c4178e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+7db4a89d49a8ed3a5f79b6cc3d555696baa1bbc3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d050c8686450ba9d8c371c20249c81415e1470d74587c48f015e9bc1098c1f
[INFO] running `Command { std: "docker" "start" "-a" "a5d050c8686450ba9d8c371c20249c81415e1470d74587c48f015e9bc1098c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "a5d050c8686450ba9d8c371c20249c81415e1470d74587c48f015e9bc1098c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d050c8686450ba9d8c371c20249c81415e1470d74587c48f015e9bc1098c1f", kill_on_drop: false }`
[INFO] [stdout] a5d050c8686450ba9d8c371c20249c81415e1470d74587c48f015e9bc1098c1f