[INFO] cloning repository https://github.com/cyndis/promptc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyndis/promptc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyndis%2Fpromptc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyndis%2Fpromptc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1a453e2a24a1c41b417733d00d0cec7e254c77e
[INFO] checking cyndis/promptc against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyndis%2Fpromptc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyndis/promptc on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyndis/promptc
[INFO] finished tweaking git repo https://github.com/cyndis/promptc
[INFO] tweaked toml for git repo https://github.com/cyndis/promptc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cyndis/promptc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 857027d2b73e0b5c899fd0a8a2c6d99ecf3be44671e4186ef21f2853513ab4c6
[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" "857027d2b73e0b5c899fd0a8a2c6d99ecf3be44671e4186ef21f2853513ab4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857027d2b73e0b5c899fd0a8a2c6d99ecf3be44671e4186ef21f2853513ab4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857027d2b73e0b5c899fd0a8a2c6d99ecf3be44671e4186ef21f2853513ab4c6", kill_on_drop: false }`
[INFO] [stdout] 857027d2b73e0b5c899fd0a8a2c6d99ecf3be44671e4186ef21f2853513ab4c6
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] 57d0e917c0450bc296b3638562321c09cf7b57a0b887a0f49a2982685d6f2c18
[INFO] running `Command { std: "docker" "start" "-a" "57d0e917c0450bc296b3638562321c09cf7b57a0b887a0f49a2982685d6f2c18", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking ansi_term v0.6.2 (git://github.com/cyndis/rust-ansi-term.git#4339b4f7)
[INFO] [stderr]     Checking users v0.4.2
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/users-0.4.2/src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | extern crate collections;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `users` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "57d0e917c0450bc296b3638562321c09cf7b57a0b887a0f49a2982685d6f2c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d0e917c0450bc296b3638562321c09cf7b57a0b887a0f49a2982685d6f2c18", kill_on_drop: false }`
[INFO] [stdout] 57d0e917c0450bc296b3638562321c09cf7b57a0b887a0f49a2982685d6f2c18