[INFO] cloning repository https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fyew_web_worker_borrowmut_panic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fyew_web_worker_borrowmut_panic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c48bdff478baaf82d79261211ae28bc13f34167
[INFO] checking hgzimmerman/yew_web_worker_borrowmut_panic against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2Fyew_web_worker_borrowmut_panic" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic
[INFO] finished tweaking git repo https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic
[INFO] tweaked toml for git repo https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hgzimmerman/yew_web_worker_borrowmut_panic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 bincode v1.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.56
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.56
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.6
[INFO] [stderr]   Downloaded http v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.56
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.56
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded js-sys v0.3.33
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.33
[INFO] [stderr]   Downloaded web_logger v0.1.0
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.56
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c36298e976192a9c49ee5c6f3ebbe790950f3848323c57da8c646e4177b06be0
[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" "c36298e976192a9c49ee5c6f3ebbe790950f3848323c57da8c646e4177b06be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c36298e976192a9c49ee5c6f3ebbe790950f3848323c57da8c646e4177b06be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36298e976192a9c49ee5c6f3ebbe790950f3848323c57da8c646e4177b06be0", kill_on_drop: false }`
[INFO] [stdout] c36298e976192a9c49ee5c6f3ebbe790950f3848323c57da8c646e4177b06be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] 0932958a42415e6e72293392d5150c12f42bf2bc9bc53e48d58fdf6ff33ee6bd
[INFO] running `Command { std: "docker" "start" "-a" "0932958a42415e6e72293392d5150c12f42bf2bc9bc53e48d58fdf6ff33ee6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling yew v0.10.1 (https://github.com/yewstack/yew?branch=master#ccddb50c)
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew?branch=master#ccddb50c)
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking web_logger v0.1.0
[INFO] [stderr]     Checking yew_web_workerborrowmut_panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "0932958a42415e6e72293392d5150c12f42bf2bc9bc53e48d58fdf6ff33ee6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0932958a42415e6e72293392d5150c12f42bf2bc9bc53e48d58fdf6ff33ee6bd", kill_on_drop: false }`
[INFO] [stdout] 0932958a42415e6e72293392d5150c12f42bf2bc9bc53e48d58fdf6ff33ee6bd