[INFO] fetching crate apu_pcengines_hal 0.1.0...
[INFO] testing apu_pcengines_hal-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate apu_pcengines_hal 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate apu_pcengines_hal 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-5/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88bced696ffc5e89119c3033ed8fc4c87940a91df39f59ccacb073d661a09cd6
[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" "88bced696ffc5e89119c3033ed8fc4c87940a91df39f59ccacb073d661a09cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88bced696ffc5e89119c3033ed8fc4c87940a91df39f59ccacb073d661a09cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bced696ffc5e89119c3033ed8fc4c87940a91df39f59ccacb073d661a09cd6", kill_on_drop: false }`
[INFO] [stdout] 88bced696ffc5e89119c3033ed8fc4c87940a91df39f59ccacb073d661a09cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9abced75984544b4059138be7f934e419a205f25752aba571cddd094c7fa196
[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" "a9abced75984544b4059138be7f934e419a205f25752aba571cddd094c7fa196", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "a9abced75984544b4059138be7f934e419a205f25752aba571cddd094c7fa196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9abced75984544b4059138be7f934e419a205f25752aba571cddd094c7fa196", kill_on_drop: false }`
[INFO] [stdout] a9abced75984544b4059138be7f934e419a205f25752aba571cddd094c7fa196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd15e49c6a6db7546bd7c132859d0eb2655d6edca901f988e61232fd904a807
[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" "6dd15e49c6a6db7546bd7c132859d0eb2655d6edca901f988e61232fd904a807", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "6dd15e49c6a6db7546bd7c132859d0eb2655d6edca901f988e61232fd904a807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd15e49c6a6db7546bd7c132859d0eb2655d6edca901f988e61232fd904a807", kill_on_drop: false }`
[INFO] [stdout] 6dd15e49c6a6db7546bd7c132859d0eb2655d6edca901f988e61232fd904a807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8921f60585e40240e717559aba8e04a0aa690cf37bf03e2896e90bfe95a4bb67
[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" "8921f60585e40240e717559aba8e04a0aa690cf37bf03e2896e90bfe95a4bb67", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message contains braces
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/lib.rs:210:31
[INFO] [stdout] test tests::returning_works ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::already_in_use ... ok
[INFO] [stderr] 210 |             "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stdout] 
[INFO] [stderr]     |                               ^^    ^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 210 |             "{}", "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]    --> src/lib.rs:210:31
[INFO] [stderr]     |
[INFO] [stderr] 210 |             "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stderr]     |                               ^^    ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 210 |             "{}", "Dropping Mapping {{ .. }} must happen after returning all Pins! Use Mapping::free_pin()");
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/apu_pcengines_hal-88a6ad411d0a3da4
[INFO] [stderr]    Doc-tests apu_pcengines_hal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8921f60585e40240e717559aba8e04a0aa690cf37bf03e2896e90bfe95a4bb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8921f60585e40240e717559aba8e04a0aa690cf37bf03e2896e90bfe95a4bb67", kill_on_drop: false }`
[INFO] [stdout] 8921f60585e40240e717559aba8e04a0aa690cf37bf03e2896e90bfe95a4bb67