[INFO] fetching crate enso-flexer 0.2.0...
[INFO] checking enso-flexer-0.2.0 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate enso-flexer 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate enso-flexer 0.2.0
[INFO] finished tweaking crates.io crate enso-flexer 0.2.0
[INFO] tweaked toml for crates.io crate enso-flexer 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enso-flexer 0.2.0 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding js-sys v0.3.35 (available: v0.3.91)
[INFO] [stderr]       Adding nonempty v0.1.5 (available: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] [stderr]       Adding wasm-bindgen v0.2.58 (available: v0.2.114)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.58 (available: v0.2.114)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.58 (available: v0.2.114)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.58 (available: v0.2.114)
[INFO] [stderr]       Adding wasm-bindgen-test v0.2.50 (available: v0.3.64)
[INFO] [stderr]       Adding wasm-bindgen-webidl v0.2.58 (available: v0.2.75)
[INFO] [stderr]       Adding web-sys v0.3.35 (available: v0.3.91)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a46bbbb96e915b8ddfa0d8dedb3fbe1ff03159fe767a0dae87f1d6a7325296
[INFO] running `Command { std: "docker" "start" "-a" "f8a46bbbb96e915b8ddfa0d8dedb3fbe1ff03159fe767a0dae87f1d6a7325296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a46bbbb96e915b8ddfa0d8dedb3fbe1ff03159fe767a0dae87f1d6a7325296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a46bbbb96e915b8ddfa0d8dedb3fbe1ff03159fe767a0dae87f1d6a7325296", kill_on_drop: false }`
[INFO] [stdout] f8a46bbbb96e915b8ddfa0d8dedb3fbe1ff03159fe767a0dae87f1d6a7325296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42a925a31e296c19a4ecf04978bf52218dff27bb7b787c23ad690b399ed05a2b
[INFO] running `Command { std: "docker" "start" "-a" "42a925a31e296c19a4ecf04978bf52218dff27bb7b787c23ad690b399ed05a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.13.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling enso-macro-utils v0.2.0
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling ifmt-impl v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]    Compiling enso-shapely-macros v0.2.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42a925a31e296c19a4ecf04978bf52218dff27bb7b787c23ad690b399ed05a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a925a31e296c19a4ecf04978bf52218dff27bb7b787c23ad690b399ed05a2b", kill_on_drop: false }`
[INFO] [stdout] 42a925a31e296c19a4ecf04978bf52218dff27bb7b787c23ad690b399ed05a2b