[INFO] cloning repository https://github.com/luke-biel/dotos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luke-biel/dotos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fdotos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fdotos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6466d46c610fbead4ea192feb7022ea81364b58
[INFO] checking luke-biel/dotos against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fdotos" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luke-biel/dotos on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luke-biel/dotos
[INFO] finished tweaking git repo https://github.com/luke-biel/dotos
[INFO] tweaked toml for git repo https://github.com/luke-biel/dotos written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/luke-biel/dotos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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/luke-biel/tock`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.9.0
[INFO] [stderr]   Downloaded register v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87a84ee6c804e8680ded35fec30178ef9a76deb0abee9914e2211fd70ba84b3
[INFO] running `Command { std: "docker" "start" "-a" "e87a84ee6c804e8680ded35fec30178ef9a76deb0abee9914e2211fd70ba84b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87a84ee6c804e8680ded35fec30178ef9a76deb0abee9914e2211fd70ba84b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87a84ee6c804e8680ded35fec30178ef9a76deb0abee9914e2211fd70ba84b3", kill_on_drop: false }`
[INFO] [stdout] e87a84ee6c804e8680ded35fec30178ef9a76deb0abee9914e2211fd70ba84b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7989e14deb2c40a7e25259bd879fa6c310dd969de638a2d9168976118652025
[INFO] running `Command { std: "docker" "start" "-a" "b7989e14deb2c40a7e25259bd879fa6c310dd969de638a2d9168976118652025", kill_on_drop: false }`
[INFO] [stderr]    Compiling dotos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tock-registers v0.6.0 (https://github.com/luke-biel/tock#8bf3a98a)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking register v1.0.2
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stdout] warning: unused import: `crate::bsp::mem::bss_section`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::bsp::mem::bss_section;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::mem::zero_region_volatile`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::common::mem::zero_region_volatile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bsp::mem::bss_section`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::bsp::mem::bss_section;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::mem::zero_region_volatile`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::common::mem::zero_region_volatile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | unsafe fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-363511a59ca6fedb.rlib
[INFO] [stdout]    = note: second definition in the local crate (`dotos`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]  --> src/arch/aarch32/cpu.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |             subs {0}, {0}, #1;
[INFO] [stdout]   |                  ^^^  ^^^
[INFO] [stdout] 6 |             bne 1b
[INFO] [stdout] 7 |         "#, in(reg) count);
[INFO] [stdout]   |                     ----- for this argument
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout]   = help: use the `e` modifier to have the register formatted as `eax`
[INFO] [stdout]   = help: or use the `r` modifier to keep the default formatting of `rax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmio_write`
[INFO] [stdout]  --> src/bsp/rpi/io/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn mmio_write(reg: u32, val: u32) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmio_read`
[INFO] [stdout]  --> src/bsp/rpi/io/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn mmio_read(reg: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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 E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b7989e14deb2c40a7e25259bd879fa6c310dd969de638a2d9168976118652025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7989e14deb2c40a7e25259bd879fa6c310dd969de638a2d9168976118652025", kill_on_drop: false }`
[INFO] [stdout] b7989e14deb2c40a7e25259bd879fa6c310dd969de638a2d9168976118652025