[INFO] cloning repository https://github.com/proprefenetre/rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proprefenetre/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a668f2c700e5e53a5933e93035e71aba7c5cf1
[INFO] checking proprefenetre/rust-book against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proprefenetre/rust-book on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/proprefenetre/rust-book
[INFO] finished tweaking git repo https://github.com/proprefenetre/rust-book
[INFO] tweaked toml for git repo https://github.com/proprefenetre/rust-book written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/proprefenetre/rust-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 359f463a226177bb3697df2e4aeb68a3b2a2d1ccc36a37b19eca3c96f752a37d
[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" "359f463a226177bb3697df2e4aeb68a3b2a2d1ccc36a37b19eca3c96f752a37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "359f463a226177bb3697df2e4aeb68a3b2a2d1ccc36a37b19eca3c96f752a37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359f463a226177bb3697df2e4aeb68a3b2a2d1ccc36a37b19eca3c96f752a37d", kill_on_drop: false }`
[INFO] [stdout] 359f463a226177bb3697df2e4aeb68a3b2a2d1ccc36a37b19eca3c96f752a37d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 1924ca9d71ef65dd8a4e045aaf403bc3ce4d0bbb992438f2d8e99b4379df5a64
[INFO] running `Command { std: "docker" "start" "-a" "1924ca9d71ef65dd8a4e045aaf403bc3ce4d0bbb992438f2d8e99b4379df5a64", kill_on_drop: false }`
[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1924ca9d71ef65dd8a4e045aaf403bc3ce4d0bbb992438f2d8e99b4379df5a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1924ca9d71ef65dd8a4e045aaf403bc3ce4d0bbb992438f2d8e99b4379df5a64", kill_on_drop: false }`
[INFO] [stdout] 1924ca9d71ef65dd8a4e045aaf403bc3ce4d0bbb992438f2d8e99b4379df5a64