[INFO] fetching crate apu_pcengines_hal 0.1.0...
[INFO] checking apu_pcengines_hal-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate apu_pcengines_hal 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate apu_pcengines_hal 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apu_pcengines_hal 0.1.0
[INFO] finished tweaking crates.io crate apu_pcengines_hal 0.1.0
[INFO] tweaked toml for crates.io crate apu_pcengines_hal 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate apu_pcengines_hal 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 041b8fee960d7e035cfba833efcbb6b158d75488bc4f0782a85fc89a5e0944b4
[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" "041b8fee960d7e035cfba833efcbb6b158d75488bc4f0782a85fc89a5e0944b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "041b8fee960d7e035cfba833efcbb6b158d75488bc4f0782a85fc89a5e0944b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041b8fee960d7e035cfba833efcbb6b158d75488bc4f0782a85fc89a5e0944b4", kill_on_drop: false }`
[INFO] [stdout] 041b8fee960d7e035cfba833efcbb6b158d75488bc4f0782a85fc89a5e0944b4
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e7e68b039065110a488d2216a2c3ac7743cfcc289989096fd97a54bb607846
[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" "d1e7e68b039065110a488d2216a2c3ac7743cfcc289989096fd97a54bb607846", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking apu_pcengines_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:210:31
[INFO] [stdout]     |
[INFO] [stdout] 210 |             "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stdout]     |                               ^^    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 210 |             "{}", "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:210:31
[INFO] [stdout]     |
[INFO] [stdout] 210 |             "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stdout]     |                               ^^    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 210 |             "{}", "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "d1e7e68b039065110a488d2216a2c3ac7743cfcc289989096fd97a54bb607846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e7e68b039065110a488d2216a2c3ac7743cfcc289989096fd97a54bb607846", kill_on_drop: false }`
[INFO] [stdout] d1e7e68b039065110a488d2216a2c3ac7743cfcc289989096fd97a54bb607846