[INFO] updating cached repository https://github.com/DelSkayn/toyjs
[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] [stderr] From https://github.com/DelSkayn/toyjs
[INFO] [stderr]    d65a007..72b7281  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72b7281e3c2bcba8d3308f93abbde071c805a315
[INFO] checking DelSkayn/toyjs against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSkayn%2Ftoyjs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelSkayn/toyjs on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DelSkayn/toyjs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1a399c10897767c36d147199696c96f193034e49" "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] c2a4a4d8f9a723918df7c743e7c44b8fe0713bd1c3464caf9804b9114a3fe65d
[INFO] running `"docker" "start" "-a" "c2a4a4d8f9a723918df7c743e7c44b8fe0713bd1c3464caf9804b9114a3fe65d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr] warning: unused import: `parser::ParseErrorKind`
[INFO] [stderr]  --> examples/tester.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use js::{compiler, lexer, parser, parser::ParseErrorKind, runtime};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser::ParseErrorKind`
[INFO] [stderr]  --> examples/ecma.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use js::{lexer, parser, parser::ParseErrorKind};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `"docker" "inspect" "c2a4a4d8f9a723918df7c743e7c44b8fe0713bd1c3464caf9804b9114a3fe65d"`
[INFO] running `"docker" "rm" "-f" "c2a4a4d8f9a723918df7c743e7c44b8fe0713bd1c3464caf9804b9114a3fe65d"`
[INFO] [stdout] c2a4a4d8f9a723918df7c743e7c44b8fe0713bd1c3464caf9804b9114a3fe65d