[INFO] fetching crate mag3110 0.1.4...
[INFO] testing mag3110-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mag3110 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mag3110 0.1.4 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 mag3110 0.1.4
[INFO] finished tweaking crates.io crate mag3110 0.1.4
[INFO] tweaked toml for crates.io crate mag3110 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a86f76712ce18c59e067aebe70ba7b1c6bffc6fbbb691a170c2332740db7586
[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" "5a86f76712ce18c59e067aebe70ba7b1c6bffc6fbbb691a170c2332740db7586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a86f76712ce18c59e067aebe70ba7b1c6bffc6fbbb691a170c2332740db7586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a86f76712ce18c59e067aebe70ba7b1c6bffc6fbbb691a170c2332740db7586", kill_on_drop: false }`
[INFO] [stdout] 5a86f76712ce18c59e067aebe70ba7b1c6bffc6fbbb691a170c2332740db7586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1075b28a64d8f51569049c1f00497e4a01328f1133bbb2d0dbe1f3c6046f0b2
[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" "d1075b28a64d8f51569049c1f00497e4a01328f1133bbb2d0dbe1f3c6046f0b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling mag3110 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:117:44
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "d1075b28a64d8f51569049c1f00497e4a01328f1133bbb2d0dbe1f3c6046f0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1075b28a64d8f51569049c1f00497e4a01328f1133bbb2d0dbe1f3c6046f0b2", kill_on_drop: false }`
[INFO] [stdout] d1075b28a64d8f51569049c1f00497e4a01328f1133bbb2d0dbe1f3c6046f0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] d37b9e94dfa32c23ac416944f1bc72cd4c972f643166e8f9d4e71c099e6c3ad9
[INFO] running `Command { std: "docker" "start" "-a" "d37b9e94dfa32c23ac416944f1bc72cd4c972f643166e8f9d4e71c099e6c3ad9", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:117:44
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mag3110 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:117:44
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d37b9e94dfa32c23ac416944f1bc72cd4c972f643166e8f9d4e71c099e6c3ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37b9e94dfa32c23ac416944f1bc72cd4c972f643166e8f9d4e71c099e6c3ad9", kill_on_drop: false }`
[INFO] [stdout] d37b9e94dfa32c23ac416944f1bc72cd4c972f643166e8f9d4e71c099e6c3ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 2c5adc2c2512a0fa24e9551c4b913aa415d409a1849dafc27dd440b86c28cbf7
[INFO] running `Command { std: "docker" "start" "-a" "2c5adc2c2512a0fa24e9551c4b913aa415d409a1849dafc27dd440b86c28cbf7", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:117:44
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:13:9
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:129:44
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:142:48
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:117:44
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let mut buffer: [u8; 6] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:13:9
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:129:44
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:142:48
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mag3110-4c4902c1a2abbfb7
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mag3110
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c5adc2c2512a0fa24e9551c4b913aa415d409a1849dafc27dd440b86c28cbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5adc2c2512a0fa24e9551c4b913aa415d409a1849dafc27dd440b86c28cbf7", kill_on_drop: false }`
[INFO] [stdout] 2c5adc2c2512a0fa24e9551c4b913aa415d409a1849dafc27dd440b86c28cbf7