[INFO] cloning repository https://github.com/Lytigas/rust-rt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lytigas/rust-rt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLytigas%2Frust-rt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLytigas%2Frust-rt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f352531663885dccccf547bba7328d72bbf1404f
[INFO] testing Lytigas/rust-rt against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLytigas%2Frust-rt" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lytigas/rust-rt on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lytigas/rust-rt
[INFO] finished tweaking git repo https://github.com/Lytigas/rust-rt
[INFO] tweaked toml for git repo https://github.com/Lytigas/rust-rt written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/Lytigas/rust-rt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Lytigas/libc`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1253a7bd927ac36bf60c4c8204308c77080018e79fb8f99b47f5a95254c0d7a3
[INFO] running `Command { std: "docker" "start" "-a" "1253a7bd927ac36bf60c4c8204308c77080018e79fb8f99b47f5a95254c0d7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1253a7bd927ac36bf60c4c8204308c77080018e79fb8f99b47f5a95254c0d7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1253a7bd927ac36bf60c4c8204308c77080018e79fb8f99b47f5a95254c0d7a3", kill_on_drop: false }`
[INFO] [stdout] 1253a7bd927ac36bf60c4c8204308c77080018e79fb8f99b47f5a95254c0d7a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ddfd24e6edbd6e0728f051abab9539111bd8321d5c617b4b6923bed8bd3451
[INFO] running `Command { std: "docker" "start" "-a" "55ddfd24e6edbd6e0728f051abab9539111bd8321d5c617b4b6923bed8bd3451", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43 (https://github.com/Lytigas/libc#a9590b55)
[INFO] [stderr]    Compiling rust-preempt-rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | const MY_STACK_SIZE: usize = (100 * 1024); /* 100 kB is enough for now. */
[INFO] [stdout]    |                              ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 - const MY_STACK_SIZE: usize = (100 * 1024); /* 100 kB is enough for now. */
[INFO] [stdout] 13 + const MY_STACK_SIZE: usize = 100 * 1024; /* 100 kB is enough for now. */
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/main.rs:80:64
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut buffer: [u8; MY_STACK_SIZE] = unsafe { ::std::mem::uninitialized() };
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-preempt-rt` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "55ddfd24e6edbd6e0728f051abab9539111bd8321d5c617b4b6923bed8bd3451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ddfd24e6edbd6e0728f051abab9539111bd8321d5c617b4b6923bed8bd3451", kill_on_drop: false }`
[INFO] [stdout] 55ddfd24e6edbd6e0728f051abab9539111bd8321d5c617b4b6923bed8bd3451