[INFO] fetching crate makods 0.3.0... [INFO] testing makods-0.3.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate makods 0.3.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate makods 0.3.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate makods 0.3.0 [INFO] finished tweaking crates.io crate makods 0.3.0 [INFO] tweaked toml for crates.io crate makods 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 737b903f32c00b4fe81c17c3963a3f358c03fdf317cf402fff15262e923e405d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "737b903f32c00b4fe81c17c3963a3f358c03fdf317cf402fff15262e923e405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "737b903f32c00b4fe81c17c3963a3f358c03fdf317cf402fff15262e923e405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "737b903f32c00b4fe81c17c3963a3f358c03fdf317cf402fff15262e923e405d", kill_on_drop: false }` [INFO] [stdout] 737b903f32c00b4fe81c17c3963a3f358c03fdf317cf402fff15262e923e405d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caac8c122ce1bb540e0b5301c70c65da3b2ac2e292cd46835cd3a58d9a67c178 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "caac8c122ce1bb540e0b5301c70c65da3b2ac2e292cd46835cd3a58d9a67c178", kill_on_drop: false }` [INFO] [stderr] Compiling makods v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics, box_syntax, box_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/jostletree.rs:149:68 [INFO] [stdout] | [INFO] [stdout] 149 | fn eq_branch(v:&Nref, other:*const Branch)-> bool { (other == unsafe{*warp_bptr_const(v)}) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/jostletree.rs:425:3 [INFO] [stdout] | [INFO] [stdout] 425 | try!(write!(f, "JostleTree{{ ")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/jostletree.rs:427:4 [INFO] [stdout] | [INFO] [stdout] 427 | try!(write!(f, "{}:{} ", b.span, &b.v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/jostletree.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::{uninitialized, forget, transmute, transmute_copy, replace}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/jostletree.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 62 | let mut swap:T = uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `makods` due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "caac8c122ce1bb540e0b5301c70c65da3b2ac2e292cd46835cd3a58d9a67c178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caac8c122ce1bb540e0b5301c70c65da3b2ac2e292cd46835cd3a58d9a67c178", kill_on_drop: false }` [INFO] [stdout] caac8c122ce1bb540e0b5301c70c65da3b2ac2e292cd46835cd3a58d9a67c178