[INFO] cloning repository https://github.com/maciejjakub/zfp_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciejjakub/zfp_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5b78ac3e777663e443953de7d0af33b88b131f5
[INFO] checking maciejjakub/zfp_rust against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejjakub%2Fzfp_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciejjakub/zfp_rust on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maciejjakub/zfp_rust
[INFO] finished tweaking git repo https://github.com/maciejjakub/zfp_rust
[INFO] tweaked toml for git repo https://github.com/maciejjakub/zfp_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/maciejjakub/zfp_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", 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] 9057cee4d45f8444fc3e237051a7bab177adcb414a2190234657c0042514d695
[INFO] running `Command { std: "docker" "start" "-a" "9057cee4d45f8444fc3e237051a7bab177adcb414a2190234657c0042514d695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9057cee4d45f8444fc3e237051a7bab177adcb414a2190234657c0042514d695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9057cee4d45f8444fc3e237051a7bab177adcb414a2190234657c0042514d695", kill_on_drop: false }`
[INFO] [stdout] 9057cee4d45f8444fc3e237051a7bab177adcb414a2190234657c0042514d695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6f5c91c5b828a3ea30101c25fc9f0f071a9e8fabf1a17b3b0d92d0e2e3437b
[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" "2d6f5c91c5b828a3ea30101c25fc9f0f071a9e8fabf1a17b3b0d92d0e2e3437b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking zfp_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::From`
[INFO] [stdout]  --> src/encode.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::From`
[INFO] [stdout]  --> src/encode.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0605]: non-primitive cast: `I` as `u64`
[INFO] [stdout]    --> src/encode.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let y = x as u64;
[INFO] [stdout]     |             ^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0605]: non-primitive cast: `I` as `u64`
[INFO] [stdout]    --> src/encode.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let y = x as u64;
[INFO] [stdout]     |             ^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zfp_rust`
[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: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d6f5c91c5b828a3ea30101c25fc9f0f071a9e8fabf1a17b3b0d92d0e2e3437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6f5c91c5b828a3ea30101c25fc9f0f071a9e8fabf1a17b3b0d92d0e2e3437b", kill_on_drop: false }`
[INFO] [stdout] 2d6f5c91c5b828a3ea30101c25fc9f0f071a9e8fabf1a17b3b0d92d0e2e3437b