[INFO] fetching crate wasm-glue 0.1.0...
[INFO] testing wasm-glue-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wasm-glue 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wasm-glue 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-glue 0.1.0
[INFO] finished tweaking crates.io crate wasm-glue 0.1.0
[INFO] tweaked toml for crates.io crate wasm-glue 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f4c21f88a927031cd9059f68609c93a43d46a367c4332628698978fa107e211
[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" "3f4c21f88a927031cd9059f68609c93a43d46a367c4332628698978fa107e211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4c21f88a927031cd9059f68609c93a43d46a367c4332628698978fa107e211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4c21f88a927031cd9059f68609c93a43d46a367c4332628698978fa107e211", kill_on_drop: false }`
[INFO] [stdout] 3f4c21f88a927031cd9059f68609c93a43d46a367c4332628698978fa107e211
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc59c2bd2335442dd73a5ffe7ce243f4151e5e17e58fcf3462f16930f1dee5e7
[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" "bc59c2bd2335442dd73a5ffe7ce243f4151e5e17e58fcf3462f16930f1dee5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-glue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(set_stdio)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(panic_col)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Printer: LocalOutput` is not satisfied
[INFO] [stdout]    --> src/lib.rs:125:24
[INFO] [stdout]     |
[INFO] [stdout] 125 |     io::set_print(Some(Box::new(printer)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `Printer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Printer: LocalOutput` is not satisfied
[INFO] [stdout]    --> src/lib.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |     io::set_print(Some(Box::new(printer)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `Printer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Printer: LocalOutput` is not satisfied
[INFO] [stdout]    --> src/lib.rs:137:24
[INFO] [stdout]     |
[INFO] [stdout] 137 |     io::set_panic(Some(Box::new(eprinter)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `Printer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Printer: LocalOutput` is not satisfied
[INFO] [stdout]    --> src/lib.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |     io::set_panic(Some(Box::new(eprinter)));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `Printer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-glue`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "bc59c2bd2335442dd73a5ffe7ce243f4151e5e17e58fcf3462f16930f1dee5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc59c2bd2335442dd73a5ffe7ce243f4151e5e17e58fcf3462f16930f1dee5e7", kill_on_drop: false }`
[INFO] [stdout] bc59c2bd2335442dd73a5ffe7ce243f4151e5e17e58fcf3462f16930f1dee5e7