[INFO] cloning repository https://github.com/Journeycorner/kompressor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Journeycorner/kompressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJourneycorner%2Fkompressor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJourneycorner%2Fkompressor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9808c829cd13c2ad5de4d4fb44a8a8f72818943
[INFO] testing Journeycorner/kompressor against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJourneycorner%2Fkompressor" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Journeycorner/kompressor on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Journeycorner/kompressor
[INFO] finished tweaking git repo https://github.com/Journeycorner/kompressor
[INFO] tweaked toml for git repo https://github.com/Journeycorner/kompressor written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Journeycorner/kompressor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 78d8b180d776a31788df4e97ec63877368687d87d61e73c6ddff3eb26415e130
[INFO] running `Command { std: "docker" "start" "-a" "78d8b180d776a31788df4e97ec63877368687d87d61e73c6ddff3eb26415e130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d8b180d776a31788df4e97ec63877368687d87d61e73c6ddff3eb26415e130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d8b180d776a31788df4e97ec63877368687d87d61e73c6ddff3eb26415e130", kill_on_drop: false }`
[INFO] [stdout] 78d8b180d776a31788df4e97ec63877368687d87d61e73c6ddff3eb26415e130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 6490daa193064539228ce041064e0df814972752657d2d456acc12e2fa7c40d5
[INFO] running `Command { std: "docker" "start" "-a" "6490daa193064539228ce041064e0df814972752657d2d456acc12e2fa7c40d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling stdweb v0.4.7
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling kompressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `stdweb::js_export`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use stdweb::js_export;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `js_export` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `js_export`
[INFO] [stdout]   --> src/main.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[js_export]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdweb::Reference`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stdweb::Reference;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdweb::web::Blob`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use stdweb::web::Blob;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdweb::web::document`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use stdweb::web::document;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdweb::web::IBlob`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use stdweb::web::IBlob;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kompressor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6490daa193064539228ce041064e0df814972752657d2d456acc12e2fa7c40d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6490daa193064539228ce041064e0df814972752657d2d456acc12e2fa7c40d5", kill_on_drop: false }`
[INFO] [stdout] 6490daa193064539228ce041064e0df814972752657d2d456acc12e2fa7c40d5