[INFO] fetching crate usb2642-i2c 0.1.1...
[INFO] testing usb2642-i2c-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate usb2642-i2c 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate usb2642-i2c 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usb2642-i2c 0.1.1
[INFO] finished tweaking crates.io crate usb2642-i2c 0.1.1
[INFO] tweaked toml for crates.io crate usb2642-i2c 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate usb2642-i2c 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5918001de211184fe15ed408b5b2b0c43964868d7d2674732c99e78c5d13a929
[INFO] running `Command { std: "docker" "start" "-a" "5918001de211184fe15ed408b5b2b0c43964868d7d2674732c99e78c5d13a929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5918001de211184fe15ed408b5b2b0c43964868d7d2674732c99e78c5d13a929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5918001de211184fe15ed408b5b2b0c43964868d7d2674732c99e78c5d13a929", kill_on_drop: false }`
[INFO] [stdout] 5918001de211184fe15ed408b5b2b0c43964868d7d2674732c99e78c5d13a929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9edc2bf512e3d5fd47a7fc5c04c19e74ca8817bfe7af489c3de8d115d18b2b
[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" "4c9edc2bf512e3d5fd47a7fc5c04c19e74ca8817bfe7af489c3de8d115d18b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling usb2642-i2c v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "4c9edc2bf512e3d5fd47a7fc5c04c19e74ca8817bfe7af489c3de8d115d18b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9edc2bf512e3d5fd47a7fc5c04c19e74ca8817bfe7af489c3de8d115d18b2b", kill_on_drop: false }`
[INFO] [stdout] 4c9edc2bf512e3d5fd47a7fc5c04c19e74ca8817bfe7af489c3de8d115d18b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9d214db2b59b5bb41431e3e24e4e69a63e63f2bee0102b7521885b61d9bca1
[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" "8b9d214db2b59b5bb41431e3e24e4e69a63e63f2bee0102b7521885b61d9bca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb2642-i2c v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/pca9536.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / bitflags! {
[INFO] [stdout] 22 | |     pub flags GpioPin: u8 {
[INFO] [stdout] 23 | |         const GPIO_NONE = 0x00,
[INFO] [stdout] 24 | |         const GPIO0 = 0x01,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/pca9536.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / bitflags! {
[INFO] [stdout] 22 | |     pub flags GpioPin: u8 {
[INFO] [stdout] 23 | |         const GPIO_NONE = 0x00,
[INFO] [stdout] 24 | |         const GPIO0 = 0x01,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "8b9d214db2b59b5bb41431e3e24e4e69a63e63f2bee0102b7521885b61d9bca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9d214db2b59b5bb41431e3e24e4e69a63e63f2bee0102b7521885b61d9bca1", kill_on_drop: false }`
[INFO] [stdout] 8b9d214db2b59b5bb41431e3e24e4e69a63e63f2bee0102b7521885b61d9bca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 900b7f5e69b518ffa49cfca45716e68d0b736d2a34fbd9bde9ed7b59b6c72cc1
[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" "900b7f5e69b518ffa49cfca45716e68d0b736d2a34fbd9bde9ed7b59b6c72cc1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/pca9536.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / bitflags! {
[INFO] [stderr] 22 | |     pub flags GpioPin: u8 {
[INFO] [stderr] 23 | |         const GPIO_NONE = 0x00,
[INFO] [stderr] 24 | |         const GPIO0 = 0x01,
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/pca9536.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / bitflags! {
[INFO] [stderr] 22 | |     pub flags GpioPin: u8 {
[INFO] [stderr] 23 | |         const GPIO_NONE = 0x00,
[INFO] [stderr] 24 | |         const GPIO0 = 0x01,
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usb2642_i2c-d6a8977df33f698c
[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] [stderr]    Doc-tests usb2642-i2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "900b7f5e69b518ffa49cfca45716e68d0b736d2a34fbd9bde9ed7b59b6c72cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900b7f5e69b518ffa49cfca45716e68d0b736d2a34fbd9bde9ed7b59b6c72cc1", kill_on_drop: false }`
[INFO] [stdout] 900b7f5e69b518ffa49cfca45716e68d0b736d2a34fbd9bde9ed7b59b6c72cc1