[INFO] updating cached repository https://github.com/schinns/rust-wasm-setup
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f70021f0afc430c7f99a5b83419e520a31450b3f
[INFO] testing schinns/rust-wasm-setup against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschinns%2Frust-wasm-setup" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  72% (93/129)   
Checking out files:  73% (95/129)   
Checking out files:  74% (96/129)   
Checking out files:  75% (97/129)   
Checking out files:  76% (99/129)   
Checking out files:  77% (100/129)   
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Checking out files:  79% (102/129)   
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Checking out files:  82% (106/129)   
Checking out files:  83% (108/129)   
Checking out files:  84% (109/129)   
Checking out files:  85% (110/129)   
Checking out files:  86% (111/129)   
Checking out files:  87% (113/129)   
Checking out files:  88% (114/129)   
Checking out files:  89% (115/129)   
Checking out files:  90% (117/129)   
Checking out files:  91% (118/129)   
Checking out files:  92% (119/129)   
Checking out files:  93% (120/129)   
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Checking out files:  99% (128/129)   
Checking out files: 100% (129/129)   
Checking out files: 100% (129/129), done.
[INFO] validating manifest of git repo https://github.com/schinns/rust-wasm-setup on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/schinns/rust-wasm-setup
[INFO] finished tweaking git repo https://github.com/schinns/rust-wasm-setup
[INFO] tweaked toml for git repo https://github.com/schinns/rust-wasm-setup written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/schinns/rust-wasm-setup already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b9ae52612e456d411b1a70d15dca8f26472588996b5f146f2ebb620099d57f9
[INFO] running `"docker" "start" "-a" "2b9ae52612e456d411b1a70d15dca8f26472588996b5f146f2ebb620099d57f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen v0.2.28
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.28
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(use_extern_macros)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2b9ae52612e456d411b1a70d15dca8f26472588996b5f146f2ebb620099d57f9"`
[INFO] running `"docker" "rm" "-f" "2b9ae52612e456d411b1a70d15dca8f26472588996b5f146f2ebb620099d57f9"`
[INFO] [stdout] 2b9ae52612e456d411b1a70d15dca8f26472588996b5f146f2ebb620099d57f9