[INFO] fetching crate fax 0.1.0... [INFO] testing fax-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate fax 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate fax 0.1.0 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 fax 0.1.0 [INFO] finished tweaking crates.io crate fax 0.1.0 [INFO] tweaked toml for crates.io crate fax 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate fax 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c5fcdc7c445e8625c3b5c5ff21e107e5efef0c7fe7bf2f6ad73ed57d464d04fd [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" "c5fcdc7c445e8625c3b5c5ff21e107e5efef0c7fe7bf2f6ad73ed57d464d04fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5fcdc7c445e8625c3b5c5ff21e107e5efef0c7fe7bf2f6ad73ed57d464d04fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5fcdc7c445e8625c3b5c5ff21e107e5efef0c7fe7bf2f6ad73ed57d464d04fd", kill_on_drop: false }` [INFO] [stdout] c5fcdc7c445e8625c3b5c5ff21e107e5efef0c7fe7bf2f6ad73ed57d464d04fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] d65e4aad800cbcaa0846570f0530876c7a81b4946d03ca186c3ef1649e25cbd2 [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" "d65e4aad800cbcaa0846570f0530876c7a81b4946d03ca186c3ef1649e25cbd2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling fax_derive v0.1.0 [INFO] [stderr] Compiling fax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Empty` [INFO] [stdout] --> src/maps.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.90s [INFO] running `Command { std: "docker" "inspect" "d65e4aad800cbcaa0846570f0530876c7a81b4946d03ca186c3ef1649e25cbd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65e4aad800cbcaa0846570f0530876c7a81b4946d03ca186c3ef1649e25cbd2", kill_on_drop: false }` [INFO] [stdout] d65e4aad800cbcaa0846570f0530876c7a81b4946d03ca186c3ef1649e25cbd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4529de01c48225654dada06b5641d01d6a2e9938b5bde9988e03f3b050f33ca9 [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" "4529de01c48225654dada06b5641d01d6a2e9938b5bde9988e03f3b050f33ca9", kill_on_drop: false }` [INFO] [stderr] Compiling fax v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Empty` [INFO] [stdout] --> src/maps.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0423]: expected function, found module `maps::black` [INFO] [stdout] --> src/lib.rs:172:16 [INFO] [stdout] | [INFO] [stdout] 172 | assert_eq!(maps::black(&mut bits), Some(42)); [INFO] [stdout] | ^^^^^^^^^^^ not a function [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 E0423`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fax` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4529de01c48225654dada06b5641d01d6a2e9938b5bde9988e03f3b050f33ca9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4529de01c48225654dada06b5641d01d6a2e9938b5bde9988e03f3b050f33ca9", kill_on_drop: false }` [INFO] [stdout] 4529de01c48225654dada06b5641d01d6a2e9938b5bde9988e03f3b050f33ca9