[INFO] cloning repository https://github.com/msjtw/rust-baremetal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msjtw/rust-baremetal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsjtw%2Frust-baremetal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsjtw%2Frust-baremetal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4690aedea65265e2832d2ec8175036e84589f3
[INFO] checking msjtw/rust-baremetal against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsjtw%2Frust-baremetal" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/msjtw/rust-baremetal
[INFO] finished tweaking git repo https://github.com/msjtw/rust-baremetal
[INFO] tweaked toml for git repo https://github.com/msjtw/rust-baremetal written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/msjtw/rust-baremetal on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/msjtw/rust-baremetal 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d93461d9e70c45f339c4225272105844b95791f5144539eece311c0c2610e2
[INFO] running `Command { std: "docker" "start" "-a" "c8d93461d9e70c45f339c4225272105844b95791f5144539eece311c0c2610e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d93461d9e70c45f339c4225272105844b95791f5144539eece311c0c2610e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d93461d9e70c45f339c4225272105844b95791f5144539eece311c0c2610e2", kill_on_drop: false }`
[INFO] [stdout] c8d93461d9e70c45f339c4225272105844b95791f5144539eece311c0c2610e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b884b1b7aa8c99737975ffd6a31d048b208d24d6cd4fc035ee06ef1ddc076aa6
[INFO] running `Command { std: "docker" "start" "-a" "b884b1b7aa8c99737975ffd6a31d048b208d24d6cd4fc035ee06ef1ddc076aa6", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking buddy_system_allocator v0.12.0
[INFO] [stderr]     Checking rust-baremetal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/csr.rs:17:17
[INFO] [stdout]     |
[INFO] [stdout]  17 |                 concat!("csrrw x0, ", stringify!($csr), ", {0}"),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/kmemory.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |         unsafe { write_csr!(satp, satp) };
[INFO] [stdout]     |                  ----------------------
[INFO] [stdout]     |                  |                |
[INFO] [stdout]     |                  |                for this argument
[INFO] [stdout]     |                  in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]     = help: or use `{0:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]     = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write_csr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PTE_U` is never used
[INFO] [stdout]   --> src/kmemory.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const PTE_U: u32 = 0b10000;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]    --> src/kmemory.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct VA {
[INFO] [stdout]     |        -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 138 |     offset: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PA` is never constructed
[INFO] [stdout]    --> src/kmemory.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct PA {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Uvm` is never constructed
[INFO] [stdout]    --> src/kmemory.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct Uvm {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `alloc`, and `dealloc` are never used
[INFO] [stdout]    --> src/kmemory.rs:234:12
[INFO] [stdout]     |
[INFO] [stdout] 233 | impl Uvm {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 234 |     pub fn new() -> Result<Uvm, ()> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn alloc(&mut self, size: u32, perm: u32) -> Result<u32, ()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     fn dealloc() {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `align_up` is never used
[INFO] [stdout]    --> src/kmemory.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn align_up(val: usize, alignment: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `align_down` is never used
[INFO] [stdout]    --> src/kmemory.rs:326:4
[INFO] [stdout]     |
[INFO] [stdout] 326 | fn align_down(val: usize, alignment: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `ascii_char` is declared but not used
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(ascii_char)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b884b1b7aa8c99737975ffd6a31d048b208d24d6cd4fc035ee06ef1ddc076aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b884b1b7aa8c99737975ffd6a31d048b208d24d6cd4fc035ee06ef1ddc076aa6", kill_on_drop: false }`
[INFO] [stdout] b884b1b7aa8c99737975ffd6a31d048b208d24d6cd4fc035ee06ef1ddc076aa6
