[INFO] cloning repository https://github.com/vito-chl/driver_for_rtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vito-chl/driver_for_rtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10831f83fd4966e5da8db7d5a5b9961dc2e4723a
[INFO] checking vito-chl/driver_for_rtt against master#4e1f5d90bca45207605a88e39b1f76abcdb85d2f for pr-123962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vito-chl/driver_for_rtt on toolchain 4e1f5d90bca45207605a88e39b1f76abcdb85d2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] finished tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] tweaked toml for git repo https://github.com/vito-chl/driver_for_rtt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vito-chl/driver_for_rtt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.stm32h7.stm32h7
[INFO] [stderr] warning: dependency (stm32h7) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/mlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/vito-chl/rtt_rs.git`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/spi-flash-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_scheduler.git`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_cpu`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_io`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_memory`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/rtt_kernel_mutex`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/slab_allocator_rs`
[INFO] [stderr]     Updating git repository `https://gitee.com/vitors/buddy_system_allocator`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking vito-chl/driver_for_rtt against try#035f40fb95ac1c79b50f07e65650460f3d11e207 for pr-123962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvito-chl%2Fdriver_for_rtt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vito-chl/driver_for_rtt on toolchain 035f40fb95ac1c79b50f07e65650460f3d11e207
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] finished tweaking git repo https://github.com/vito-chl/driver_for_rtt
[INFO] tweaked toml for git repo https://github.com/vito-chl/driver_for_rtt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vito-chl/driver_for_rtt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.stm32h7.stm32h7
[INFO] [stderr] warning: dependency (stm32h7) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.3
[INFO] [stderr]   Downloaded stm32h7 v0.13.0
[INFO] [stderr]   Downloaded stm32f7 v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5d28a5861152b9c8e2356d65ec6f79944c4a3b78ef083ed272cd45b7cd809fc
[INFO] running `Command { std: "docker" "start" "-a" "c5d28a5861152b9c8e2356d65ec6f79944c4a3b78ef083ed272cd45b7cd809fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5d28a5861152b9c8e2356d65ec6f79944c4a3b78ef083ed272cd45b7cd809fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d28a5861152b9c8e2356d65ec6f79944c4a3b78ef083ed272cd45b7cd809fc", kill_on_drop: false }`
[INFO] [stdout] c5d28a5861152b9c8e2356d65ec6f79944c4a3b78ef083ed272cd45b7cd809fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42c5626a217fcd3e28e185213a5ce2061afc69276d0ed557c178039f548355b
[INFO] running `Command { std: "docker" "start" "-a" "f42c5626a217fcd3e28e185213a5ce2061afc69276d0ed557c178039f548355b", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.stm32h7.stm32h7
[INFO] [stderr] warning: dependency (stm32h7) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling atomic-polyfill v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling stm32h7 v0.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rtt_rs v0.2.3 (https://github.com/vito-chl/rtt_rs.git#725753f8)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking spi-flash v0.2.2 (https://gitee.com/vitors/spi-flash-rs.git#43dc8a8a)
[INFO] [stderr]     Checking driver_for_rtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_bus/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_device/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_flash/mod.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_bus/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_device/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]  --> src/device/spi_flash/mod.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::alloc::prelude::v1::Vec;
[INFO] [stdout]   |                   ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `#[alloc_error_handler]` in rtt_rs conflicts with allocation error handler in: std
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `rtt_rs` (which `driver_for_rtt` depends on)
[INFO] [stdout]   = note: first definition in `rtt_rs` loaded from /opt/rustwide/target/debug/deps/librtt_rs-c6bfefaa299c1ef7.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/035f40fb95ac1c79b50f07e65650460f3d11e207/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9579298f7adeed43.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `driver_for_rtt` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `driver_for_rtt` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f42c5626a217fcd3e28e185213a5ce2061afc69276d0ed557c178039f548355b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42c5626a217fcd3e28e185213a5ce2061afc69276d0ed557c178039f548355b", kill_on_drop: false }`
[INFO] [stdout] f42c5626a217fcd3e28e185213a5ce2061afc69276d0ed557c178039f548355b