[INFO] fetching crate functional 0.0.7...
[INFO] testing functional-0.0.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate functional 0.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate functional 0.0.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate functional 0.0.7
[INFO] finished tweaking crates.io crate functional 0.0.7
[INFO] tweaked toml for crates.io crate functional 0.0.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36c9f4d2be8e8e681b2ca5fbc1b9e2ec8346f99ab7f4413f0d11780e85a7ca7b
[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" "36c9f4d2be8e8e681b2ca5fbc1b9e2ec8346f99ab7f4413f0d11780e85a7ca7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36c9f4d2be8e8e681b2ca5fbc1b9e2ec8346f99ab7f4413f0d11780e85a7ca7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c9f4d2be8e8e681b2ca5fbc1b9e2ec8346f99ab7f4413f0d11780e85a7ca7b", kill_on_drop: false }`
[INFO] [stdout] 36c9f4d2be8e8e681b2ca5fbc1b9e2ec8346f99ab7f4413f0d11780e85a7ca7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef060bd5a37e38af34a97f1054c223d5bd3956c66e9a3cf8e63e9b2029d0005
[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" "8ef060bd5a37e38af34a97f1054c223d5bd3956c66e9a3cf8e63e9b2029d0005", kill_on_drop: false }`
[INFO] [stderr]    Compiling functional v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Zero` in `num`
[INFO] [stdout]   --> src/algebra/ops.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |         <T as num::Zero>::zero()
[INFO] [stdout]    |                    ^^^^ could not find `Zero` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `One` in `num`
[INFO] [stdout]    --> src/algebra/ops.rs:128:20
[INFO] [stdout]     |
[INFO] [stdout] 128 |         <T as num::One>::one()
[INFO] [stdout]     |                    ^^^ could not find `One` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Zero` in module `num`
[INFO] [stdout]   --> src/algebra/ops.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     where T: num::Zero + ops::Add<Output = T>
[INFO] [stdout]    |                   ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `One` in module `num`
[INFO] [stdout]    --> src/algebra/ops.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |     where T: num::One + ops::Mul<Output = T>
[INFO] [stdout]     |                   ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, type_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `functional`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8ef060bd5a37e38af34a97f1054c223d5bd3956c66e9a3cf8e63e9b2029d0005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef060bd5a37e38af34a97f1054c223d5bd3956c66e9a3cf8e63e9b2029d0005", kill_on_drop: false }`
[INFO] [stdout] 8ef060bd5a37e38af34a97f1054c223d5bd3956c66e9a3cf8e63e9b2029d0005