[INFO] cloning repository https://github.com/CarlKCarlK/fifth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarlKCarlK/fifth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Ffifth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Ffifth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7932f17489a95fdd13a857823653d6521c194289
[INFO] checking CarlKCarlK/fifth against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Ffifth" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CarlKCarlK/fifth
[INFO] finished tweaking git repo https://github.com/CarlKCarlK/fifth
[INFO] tweaked toml for git repo https://github.com/CarlKCarlK/fifth written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CarlKCarlK/fifth on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CarlKCarlK/fifth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3cf44a45ca8935861060e3510a6dfde90749e78cc06ba8d0e1199b319e6026
[INFO] running `Command { std: "docker" "start" "-a" "1f3cf44a45ca8935861060e3510a6dfde90749e78cc06ba8d0e1199b319e6026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3cf44a45ca8935861060e3510a6dfde90749e78cc06ba8d0e1199b319e6026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3cf44a45ca8935861060e3510a6dfde90749e78cc06ba8d0e1199b319e6026", kill_on_drop: false }`
[INFO] [stdout] 1f3cf44a45ca8935861060e3510a6dfde90749e78cc06ba8d0e1199b319e6026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c388e7f812fe32fe836aaa9a1f4b06cdb1f3a7fb72cc207ccf0aa2d162787aeb
[INFO] running `Command { std: "docker" "start" "-a" "c388e7f812fe32fe836aaa9a1f4b06cdb1f3a7fb72cc207ccf0aa2d162787aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[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] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c388e7f812fe32fe836aaa9a1f4b06cdb1f3a7fb72cc207ccf0aa2d162787aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c388e7f812fe32fe836aaa9a1f4b06cdb1f3a7fb72cc207ccf0aa2d162787aeb", kill_on_drop: false }`
[INFO] [stdout] c388e7f812fe32fe836aaa9a1f4b06cdb1f3a7fb72cc207ccf0aa2d162787aeb
