[INFO] fetching crate enso-flexer 0.2.0...
[INFO] testing enso-flexer-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate enso-flexer 0.2.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enso-flexer 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 113 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: v0.3.77)
[INFO] [stderr]       Adding nonempty v0.1.5 (available: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] [stderr]       Adding wasm-bindgen v0.2.58 (available: v0.2.100)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.58 (available: v0.2.100)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.58 (available: v0.2.100)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.58 (available: v0.2.100)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.58 (available: v0.2.100)
[INFO] [stderr]       Adding wasm-bindgen-test v0.2.50 (available: v0.3.50)
[INFO] [stderr]       Adding wasm-bindgen-webidl v0.2.58 (available: v0.2.75)
[INFO] [stderr]       Adding web-sys v0.3.35 (available: v0.3.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57a71ccf3074020eeed063f58efa0d36c810849d69efa60002dd65c469ac463d
[INFO] running `Command { std: "docker" "start" "-a" "57a71ccf3074020eeed063f58efa0d36c810849d69efa60002dd65c469ac463d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a71ccf3074020eeed063f58efa0d36c810849d69efa60002dd65c469ac463d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a71ccf3074020eeed063f58efa0d36c810849d69efa60002dd65c469ac463d", kill_on_drop: false }`
[INFO] [stdout] 57a71ccf3074020eeed063f58efa0d36c810849d69efa60002dd65c469ac463d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a0c532abb6b322a126d219a187a2755afb59a7bdbf9e20a0849cd22b44798b5
[INFO] running `Command { std: "docker" "start" "-a" "9a0c532abb6b322a126d219a187a2755afb59a7bdbf9e20a0849cd22b44798b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling enclose v1.2.1
[INFO] [stderr]    Compiling nonempty v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]    Compiling enso-macro-utils v0.2.0
[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]    Compiling ifmt-impl v0.3.3
[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" "9a0c532abb6b322a126d219a187a2755afb59a7bdbf9e20a0849cd22b44798b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0c532abb6b322a126d219a187a2755afb59a7bdbf9e20a0849cd22b44798b5", kill_on_drop: false }`
[INFO] [stdout] 9a0c532abb6b322a126d219a187a2755afb59a7bdbf9e20a0849cd22b44798b5