[INFO] cloning repository https://github.com/rbalicki2/smithy_itunes_search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbalicki2/smithy_itunes_search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbalicki2%2Fsmithy_itunes_search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbalicki2%2Fsmithy_itunes_search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c3ede4ad225e2c1a13434ba97667f1fc3fdb42b
[INFO] testing rbalicki2/smithy_itunes_search against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbalicki2%2Fsmithy_itunes_search" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rbalicki2/smithy_itunes_search on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rbalicki2/smithy_itunes_search
[INFO] finished tweaking git repo https://github.com/rbalicki2/smithy_itunes_search
[INFO] tweaked toml for git repo https://github.com/rbalicki2/smithy_itunes_search written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/rbalicki2/smithy_itunes_search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.48
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.25
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.48
[INFO] [stderr]   Downloaded web-sys v0.3.25
[INFO] [stderr]   Downloaded smithy_core v0.0.6
[INFO] [stderr]   Downloaded smithy v0.0.6
[INFO] [stderr]   Downloaded smd_macro v0.0.6
[INFO] [stderr]   Downloaded smithy_types v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b99940d1a59a2d309d37e36497adcae99d79dd9292fb7b37e66b1fcdc24de4
[INFO] running `Command { std: "docker" "start" "-a" "88b99940d1a59a2d309d37e36497adcae99d79dd9292fb7b37e66b1fcdc24de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b99940d1a59a2d309d37e36497adcae99d79dd9292fb7b37e66b1fcdc24de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b99940d1a59a2d309d37e36497adcae99d79dd9292fb7b37e66b1fcdc24de4", kill_on_drop: false }`
[INFO] [stdout] 88b99940d1a59a2d309d37e36497adcae99d79dd9292fb7b37e66b1fcdc24de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6427cc0d15d67568b748aae6ccb8cc84f1de5ce261ffd1c1ccd763c33782516d
[INFO] running `Command { std: "docker" "start" "-a" "6427cc0d15d67568b748aae6ccb8cc84f1de5ce261ffd1c1ccd763c33782516d", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.48
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-0.2.48/src/lib.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "nightly", feature(unsize))]
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6427cc0d15d67568b748aae6ccb8cc84f1de5ce261ffd1c1ccd763c33782516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6427cc0d15d67568b748aae6ccb8cc84f1de5ce261ffd1c1ccd763c33782516d", kill_on_drop: false }`
[INFO] [stdout] 6427cc0d15d67568b748aae6ccb8cc84f1de5ce261ffd1c1ccd763c33782516d