[INFO] fetching crate apu_pcengines_hal 0.1.0...
[INFO] checking apu_pcengines_hal-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate apu_pcengines_hal 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate apu_pcengines_hal 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a639de74e8d6455b47c57878d873ededbce1c51fa3137ba640f5a4dc20e0952
[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" "7a639de74e8d6455b47c57878d873ededbce1c51fa3137ba640f5a4dc20e0952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a639de74e8d6455b47c57878d873ededbce1c51fa3137ba640f5a4dc20e0952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a639de74e8d6455b47c57878d873ededbce1c51fa3137ba640f5a4dc20e0952", kill_on_drop: false }`
[INFO] [stdout] 7a639de74e8d6455b47c57878d873ededbce1c51fa3137ba640f5a4dc20e0952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3537e0d2eb341e6cd64ed1509e6846675ca1793179c28de77891b2a147d2d2
[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" "4e3537e0d2eb341e6cd64ed1509e6846675ca1793179c28de77891b2a147d2d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[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: 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(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "4e3537e0d2eb341e6cd64ed1509e6846675ca1793179c28de77891b2a147d2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3537e0d2eb341e6cd64ed1509e6846675ca1793179c28de77891b2a147d2d2", kill_on_drop: false }`
[INFO] [stdout] 4e3537e0d2eb341e6cd64ed1509e6846675ca1793179c28de77891b2a147d2d2