[INFO] cloning repository https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Frenderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Frenderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad1b37547da8e864fa7f94475ba407f3cb727447
[INFO] testing Rust-Mikrocontroller-Praktikum-2017/renderer against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Frenderer" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer
[INFO] finished tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer
[INFO] tweaked toml for git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d96124bcc330c935c9f7ba8d40fb175f904883611fc5f1051ae13971ac9b4119
[INFO] running `Command { std: "docker" "start" "-a" "d96124bcc330c935c9f7ba8d40fb175f904883611fc5f1051ae13971ac9b4119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d96124bcc330c935c9f7ba8d40fb175f904883611fc5f1051ae13971ac9b4119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96124bcc330c935c9f7ba8d40fb175f904883611fc5f1051ae13971ac9b4119", kill_on_drop: false }`
[INFO] [stdout] d96124bcc330c935c9f7ba8d40fb175f904883611fc5f1051ae13971ac9b4119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37798b96bf71d8e72ab44fd75067bae450388974249c478f371defd0e530393a
[INFO] running `Command { std: "docker" "start" "-a" "37798b96bf71d8e72ab44fd75067bae450388974249c478f371defd0e530393a", kill_on_drop: false }`
[INFO] [stderr]    Compiling renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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 `renderer` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "37798b96bf71d8e72ab44fd75067bae450388974249c478f371defd0e530393a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37798b96bf71d8e72ab44fd75067bae450388974249c478f371defd0e530393a", kill_on_drop: false }`
[INFO] [stdout] 37798b96bf71d8e72ab44fd75067bae450388974249c478f371defd0e530393a