[INFO] cloning repository https://github.com/jmccrystal/nostd-alloc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmccrystal/nostd-alloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmccrystal%2Fnostd-alloc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmccrystal%2Fnostd-alloc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c79cf4e4846a6bc43520e6c2a1957af53b103ea7 [INFO] checking jmccrystal/nostd-alloc against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmccrystal%2Fnostd-alloc" "/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/jmccrystal/nostd-alloc on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/jmccrystal/nostd-alloc [INFO] finished tweaking git repo https://github.com/jmccrystal/nostd-alloc [INFO] tweaked toml for git repo https://github.com/jmccrystal/nostd-alloc written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jmccrystal/nostd-alloc 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" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: toolchain [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81bd7fa4e340db94c1558fbf2018be0c539efb3f72035fb49ef43c87fef8d66b [INFO] running `Command { std: "docker" "start" "-a" "81bd7fa4e340db94c1558fbf2018be0c539efb3f72035fb49ef43c87fef8d66b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81bd7fa4e340db94c1558fbf2018be0c539efb3f72035fb49ef43c87fef8d66b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81bd7fa4e340db94c1558fbf2018be0c539efb3f72035fb49ef43c87fef8d66b", kill_on_drop: false }` [INFO] [stdout] 81bd7fa4e340db94c1558fbf2018be0c539efb3f72035fb49ef43c87fef8d66b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b65631228c362a8baedac03bd9b455a7588adbdfcac9f282881c86fd365e73e5 [INFO] running `Command { std: "docker" "start" "-a" "b65631228c362a8baedac03bd9b455a7588adbdfcac9f282881c86fd365e73e5", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: toolchain [INFO] [stderr] Checking allocator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | / pub fn panic(info: &PanicInfo) -> ! { [INFO] [stdout] 31 | | println("panic:"); [INFO] [stdout] 32 | | println(info.message().as_str().unwrap()); [INFO] [stdout] 33 | | loop {} [INFO] [stdout] 34 | | } [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/b44e14f762fd4062faeba97f8f2bc470298ec1ac/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d65a5ac20318153f.rlib [INFO] [stdout] = note: second definition in the local crate (`allocator`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `allocator` (bin "allocator" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/allocator.rs:66:30 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `layout` [INFO] [stdout] --> src/allocator.rs:66:44 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_mut_slice` is never used [INFO] [stdout] --> src/collections/vec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Vec { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn as_mut_slice(&mut self) -> &mut [T] { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `println` is never used [INFO] [stdout] --> src/io.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait Printable { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 8 | fn print(&self); [INFO] [stdout] 9 | fn println(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b65631228c362a8baedac03bd9b455a7588adbdfcac9f282881c86fd365e73e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b65631228c362a8baedac03bd9b455a7588adbdfcac9f282881c86fd365e73e5", kill_on_drop: false }` [INFO] [stdout] b65631228c362a8baedac03bd9b455a7588adbdfcac9f282881c86fd365e73e5