[INFO] fetching crate kronecker 0.1.0...
[INFO] checking kronecker-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate kronecker 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate kronecker 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kronecker 0.1.0
[INFO] finished tweaking crates.io crate kronecker 0.1.0
[INFO] tweaked toml for crates.io crate kronecker 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41441a19b61e3d79c2e59094ae1fae98b31c475c5876d25be8beaf22ffcfaad2
[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" "41441a19b61e3d79c2e59094ae1fae98b31c475c5876d25be8beaf22ffcfaad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41441a19b61e3d79c2e59094ae1fae98b31c475c5876d25be8beaf22ffcfaad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41441a19b61e3d79c2e59094ae1fae98b31c475c5876d25be8beaf22ffcfaad2", kill_on_drop: false }`
[INFO] [stdout] 41441a19b61e3d79c2e59094ae1fae98b31c475c5876d25be8beaf22ffcfaad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270c3f66da7dd96831343d22faed9e6465ebfbc21a7aebee0551b30f2c4532c2
[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" "270c3f66da7dd96831343d22faed9e6465ebfbc21a7aebee0551b30f2c4532c2", kill_on_drop: false }`
[INFO] [stderr]     Checking kronecker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero`
[INFO] [stdout]  --> src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::num::{One, Zero};
[INFO] [stdout]   |                ^^^  ^^^^ no `Zero` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `One` in `num`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kronecker`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero`
[INFO] [stdout]  --> src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::num::{One, Zero};
[INFO] [stdout]   |                ^^^  ^^^^ no `Zero` in `num`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `One` in `num`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "270c3f66da7dd96831343d22faed9e6465ebfbc21a7aebee0551b30f2c4532c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270c3f66da7dd96831343d22faed9e6465ebfbc21a7aebee0551b30f2c4532c2", kill_on_drop: false }`
[INFO] [stdout] 270c3f66da7dd96831343d22faed9e6465ebfbc21a7aebee0551b30f2c4532c2