[INFO] fetching crate pixel_engine 0.3.1...
[INFO] checking pixel_engine-0.3.1 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate pixel_engine 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pixel_engine 0.3.1 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixel_engine 0.3.1
[INFO] finished tweaking crates.io crate pixel_engine 0.3.1
[INFO] tweaked toml for crates.io crate pixel_engine 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pixel_engine 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02c516fdf304eb0d2af44d2fc80b06103be9e5cb9bfd7e9083e3994d7b6ec94
[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" "f02c516fdf304eb0d2af44d2fc80b06103be9e5cb9bfd7e9083e3994d7b6ec94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02c516fdf304eb0d2af44d2fc80b06103be9e5cb9bfd7e9083e3994d7b6ec94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02c516fdf304eb0d2af44d2fc80b06103be9e5cb9bfd7e9083e3994d7b6ec94", kill_on_drop: false }`
[INFO] [stdout] f02c516fdf304eb0d2af44d2fc80b06103be9e5cb9bfd7e9083e3994d7b6ec94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039de10337eaf6e58a3c48ad164688d87729a92f4edbf72e4494172798052f7f
[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" "039de10337eaf6e58a3c48ad164688d87729a92f4edbf72e4494172798052f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libloading v0.6.2
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[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]     Checking xdg v2.2.0
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking pixel_engine_draw v0.1.0
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
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[INFO] [stderr]     Checking pixel_engine_backend v0.1.0
[INFO] [stderr]     Checking pixel_engine v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `engine::traits::*`
[INFO] [stdout]  --> examples/template.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use engine::traits::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2m 13s
[INFO] running `Command { std: "docker" "inspect" "039de10337eaf6e58a3c48ad164688d87729a92f4edbf72e4494172798052f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039de10337eaf6e58a3c48ad164688d87729a92f4edbf72e4494172798052f7f", kill_on_drop: false }`
[INFO] [stdout] 039de10337eaf6e58a3c48ad164688d87729a92f4edbf72e4494172798052f7f