[INFO] fetching crate mk20d7 0.1.1...
[INFO] testing mk20d7-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate mk20d7 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mk20d7 0.1.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mk20d7 0.1.1
[INFO] finished tweaking crates.io crate mk20d7 0.1.1
[INFO] tweaked toml for crates.io crate mk20d7 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5371f8066e2d2af9498619014c9dcb01f49563d33adf6a23e06dc6dd0483fcb6
[INFO] running `"docker" "start" "-a" "5371f8066e2d2af9498619014c9dcb01f49563d33adf6a23e06dc6dd0483fcb6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mk20d7 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]     --> src/lib.rs:1709:9
[INFO] [stderr]      |
[INFO] [stderr] 1709 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "5371f8066e2d2af9498619014c9dcb01f49563d33adf6a23e06dc6dd0483fcb6"`
[INFO] running `"docker" "rm" "-f" "5371f8066e2d2af9498619014c9dcb01f49563d33adf6a23e06dc6dd0483fcb6"`
[INFO] [stdout] 5371f8066e2d2af9498619014c9dcb01f49563d33adf6a23e06dc6dd0483fcb6
[INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6cd281443ac7632bcf08a695a97d3df36dce9780ae3ed902618f2fd77aac4a0
[INFO] running `"docker" "start" "-a" "f6cd281443ac7632bcf08a695a97d3df36dce9780ae3ed902618f2fd77aac4a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mk20d7 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]     --> src/lib.rs:1709:9
[INFO] [stderr]      |
[INFO] [stderr] 1709 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]     --> src/lib.rs:1709:9
[INFO] [stderr]      |
[INFO] [stderr] 1709 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 58.61s
[INFO] running `"docker" "inspect" "f6cd281443ac7632bcf08a695a97d3df36dce9780ae3ed902618f2fd77aac4a0"`
[INFO] running `"docker" "rm" "-f" "f6cd281443ac7632bcf08a695a97d3df36dce9780ae3ed902618f2fd77aac4a0"`
[INFO] [stdout] f6cd281443ac7632bcf08a695a97d3df36dce9780ae3ed902618f2fd77aac4a0
[INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8094b69253739925e51868e8f05791ee65064281097b38fec6550b1fc201284
[INFO] running `"docker" "start" "-a" "e8094b69253739925e51868e8f05791ee65064281097b38fec6550b1fc201284"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]     --> src/lib.rs:1709:9
[INFO] [stderr]      |
[INFO] [stderr] 1709 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stderr]     --> src/lib.rs:1709:9
[INFO] [stderr]      |
[INFO] [stderr] 1709 | #[allow(private_no_mangle_statics)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:3:9
[INFO] [stderr]      |
[INFO] [stderr] 3    | #![deny(warnings)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mk20d7-12939f86f0f858cf
[INFO] [stderr]    Doc-tests mk20d7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e8094b69253739925e51868e8f05791ee65064281097b38fec6550b1fc201284"`
[INFO] running `"docker" "rm" "-f" "e8094b69253739925e51868e8f05791ee65064281097b38fec6550b1fc201284"`
[INFO] [stdout] e8094b69253739925e51868e8f05791ee65064281097b38fec6550b1fc201284