[INFO] cloning repository https://github.com/DelSkayn/toyjs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelSkayn/toyjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoyjs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoyjs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93a16eb6ea2da5d1df37c11c913f8e48dc888d42
[INFO] checking DelSkayn/toyjs against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoyjs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelSkayn/toyjs on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DelSkayn/toyjs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/DelSkayn/toyjs
[INFO] tweaked toml for git repo https://github.com/DelSkayn/toyjs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DelSkayn/toyjs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5397ad6ec071eb70cb0f38ebae1a31858c34b29536d89b898cc17ae5fa9e1e37
[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" "5397ad6ec071eb70cb0f38ebae1a31858c34b29536d89b898cc17ae5fa9e1e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5397ad6ec071eb70cb0f38ebae1a31858c34b29536d89b898cc17ae5fa9e1e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5397ad6ec071eb70cb0f38ebae1a31858c34b29536d89b898cc17ae5fa9e1e37", kill_on_drop: false }`
[INFO] [stdout] 5397ad6ec071eb70cb0f38ebae1a31858c34b29536d89b898cc17ae5fa9e1e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec01f684cb4694644ae9202d70ceaa23876e5596e238a6e8c59360ed35a135c
[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" "eec01f684cb4694644ae9202d70ceaa23876e5596e238a6e8c59360ed35a135c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking gc v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/ecma.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 panic!();
[INFO] [stdout]    |                 --------- any code following this expression is unreachable
[INFO] [stdout] 21 |                 return false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `builder` on type `js::parser::Parser<'_>`
[INFO] [stdout]   --> examples/tester.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let ssa = parser.builder.build();
[INFO] [stdout]    |                          ^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> examples/tester.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let bc = Compiler::compile(&ssa, &interner);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^ ----  --------- supplied 2 arguments
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `js`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "eec01f684cb4694644ae9202d70ceaa23876e5596e238a6e8c59360ed35a135c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec01f684cb4694644ae9202d70ceaa23876e5596e238a6e8c59360ed35a135c", kill_on_drop: false }`
[INFO] [stdout] eec01f684cb4694644ae9202d70ceaa23876e5596e238a6e8c59360ed35a135c