[INFO] cloning repository https://github.com/lachlansneff/wjs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lachlansneff/wjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e86b6e950ea87348c5463cab6a182b86bf71338
[INFO] testing lachlansneff/wjs against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lachlansneff/wjs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lachlansneff/wjs
[INFO] finished tweaking git repo https://github.com/lachlansneff/wjs
[INFO] tweaked toml for git repo https://github.com/lachlansneff/wjs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lachlansneff/wjs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9185c05095192643c4b80fd784cc2e3b74084e9b52d102ab0ef10243537b907
[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" "b9185c05095192643c4b80fd784cc2e3b74084e9b52d102ab0ef10243537b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9185c05095192643c4b80fd784cc2e3b74084e9b52d102ab0ef10243537b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9185c05095192643c4b80fd784cc2e3b74084e9b52d102ab0ef10243537b907", kill_on_drop: false }`
[INFO] [stdout] b9185c05095192643c4b80fd784cc2e3b74084e9b52d102ab0ef10243537b907
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b89fab45e8f80724f38c94534c3130bd3b6ec28b029df64e6a20de0f83adabab
[INFO] running `Command { std: "docker" "start" "-a" "b89fab45e8f80724f38c94534c3130bd3b6ec28b029df64e6a20de0f83adabab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.6
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling ouroboros_macro v0.9.3
[INFO] [stderr]    Compiling wjs-derive v0.1.0 (/opt/rustwide/workdir/derive)
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]    Compiling ouroboros v0.9.3
[INFO] [stderr]    Compiling swc_visit v0.2.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling swc_common v0.10.20
[INFO] [stderr]    Compiling swc_ecma_ast v0.45.0
[INFO] [stderr]    Compiling swc_ecma_visit v0.31.0
[INFO] [stderr]    Compiling swc_ecma_utils v0.36.0
[INFO] [stderr]    Compiling swc_ecma_parser v0.57.3
[INFO] [stderr]    Compiling swc_ecmascript v0.36.0
[INFO] [stderr]    Compiling wjs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_metadata, new_uninit)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FnDecl`, `Ident`, `Node`, `Script`, `VisitWith`, `Visit`, `self`
[INFO] [stdout]  --> src/compiler.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | ... Function, Ident, Script, Stmt, FnDecl}, parser::{self, Parser, StringInput, Syntax}, visit::{self, Node, Visit, VisitWith}};
[INFO] [stdout]   |               ^^^^^  ^^^^^^        ^^^^^^                                                        ^^^^  ^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/gc.rs:6:88
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{cell::Cell, marker::PhantomData, mem::{self, MaybeUninit}, ops::Range, ptr::{self, NonNull, addr_of_mut}};
[INFO] [stdout]   |                                                                                        ^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wjs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b89fab45e8f80724f38c94534c3130bd3b6ec28b029df64e6a20de0f83adabab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89fab45e8f80724f38c94534c3130bd3b6ec28b029df64e6a20de0f83adabab", kill_on_drop: false }`
[INFO] [stdout] b89fab45e8f80724f38c94534c3130bd3b6ec28b029df64e6a20de0f83adabab
