[INFO] fetching crate cow 0.0.8... [INFO] testing cow-0.0.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate cow 0.0.8 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate cow 0.0.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cow 0.0.8 [INFO] finished tweaking crates.io crate cow 0.0.8 [INFO] tweaked toml for crates.io crate cow 0.0.8 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: path `/workspace/builds/worker-9/source/src/cow.rs` was erroneously implicitly accepted for library `cow`, [INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9fe2039f1908fee878521fae58a6054ba08f6aee27e53685dc4a0eb742acc88 [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" "c9fe2039f1908fee878521fae58a6054ba08f6aee27e53685dc4a0eb742acc88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9fe2039f1908fee878521fae58a6054ba08f6aee27e53685dc4a0eb742acc88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9fe2039f1908fee878521fae58a6054ba08f6aee27e53685dc4a0eb742acc88", kill_on_drop: false }` [INFO] [stdout] c9fe2039f1908fee878521fae58a6054ba08f6aee27e53685dc4a0eb742acc88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 5dbcdb3c2f057d02aed9787100b28314c03d26f4fa5804b8d9bafbb4440bee0f [INFO] running `Command { std: "docker" "start" "-a" "5dbcdb3c2f057d02aed9787100b28314c03d26f4fa5804b8d9bafbb4440bee0f", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/cow.rs` was erroneously implicitly accepted for library `cow`, [INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling cow v0.0.8 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `collections` [INFO] [stdout] --> src/cow.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate collections; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cow` due to 2 previous errors [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5dbcdb3c2f057d02aed9787100b28314c03d26f4fa5804b8d9bafbb4440bee0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dbcdb3c2f057d02aed9787100b28314c03d26f4fa5804b8d9bafbb4440bee0f", kill_on_drop: false }` [INFO] [stdout] 5dbcdb3c2f057d02aed9787100b28314c03d26f4fa5804b8d9bafbb4440bee0f