[INFO] updating cached repository https://github.com/sasuseso/mek
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6647cdf7342cfb322ab217262180cdeeea74ba7
[INFO] checking sasuseso/mek against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasuseso%2Fmek" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sasuseso/mek on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sasuseso/mek
[INFO] finished tweaking git repo https://github.com/sasuseso/mek
[INFO] tweaked toml for git repo https://github.com/sasuseso/mek written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sasuseso/mek already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 257c79b25032bfc61eb51e17537dde1abf9d1f6385a20b48414a0666f0a85130
[INFO] running `"docker" "start" "-a" "257c79b25032bfc61eb51e17537dde1abf9d1f6385a20b48414a0666f0a85130"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking multiboot2 v0.8.2
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking mek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `FramebufferField`
[INFO] [stderr]  --> src/lib.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 | use multiboot2::{load, FramebufferType, FramebufferField};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/lib.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn panic(_info: &PanicInfo) -> ! { loop {} }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `mek`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `FramebufferField`
[INFO] [stderr]  --> src/lib.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 | use multiboot2::{load, FramebufferType, FramebufferField};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red`
[INFO] [stderr]   --> src/lib.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |         FramebufferType::RGB { red, green, blue } => {
[INFO] [stderr]    |                                ^^^ help: try ignoring the field: `red: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `green`
[INFO] [stderr]   --> src/lib.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 |         FramebufferType::RGB { red, green, blue } => {
[INFO] [stderr]    |                                     ^^^^^ help: try ignoring the field: `green: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blue`
[INFO] [stderr]   --> src/lib.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 |         FramebufferType::RGB { red, green, blue } => {
[INFO] [stderr]    |                                            ^^^^ help: try ignoring the field: `blue: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mb2_magic`
[INFO] [stderr]   --> src/lib.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub extern "C" fn kmain(mb2_magic: u32, mbi_addr:u32) -> ! {
[INFO] [stderr]    |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_mb2_magic`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut info: u64 = 0;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![no_main]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![no_main]
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "257c79b25032bfc61eb51e17537dde1abf9d1f6385a20b48414a0666f0a85130"`
[INFO] running `"docker" "rm" "-f" "257c79b25032bfc61eb51e17537dde1abf9d1f6385a20b48414a0666f0a85130"`
[INFO] [stdout] 257c79b25032bfc61eb51e17537dde1abf9d1f6385a20b48414a0666f0a85130