[INFO] cloning repository https://github.com/noandrea/rl2020.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noandrea/rl2020.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Frl2020.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Frl2020.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab747623429438334484df308884bd9da4c06e93
[INFO] checking noandrea/rl2020.rs against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoandrea%2Frl2020.rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noandrea/rl2020.rs on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noandrea/rl2020.rs
[INFO] finished tweaking git repo https://github.com/noandrea/rl2020.rs
[INFO] tweaked toml for git repo https://github.com/noandrea/rl2020.rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/noandrea/rl2020.rs 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0abdad26aeca9821b1d909b3443b20160c8aadc52de9b0731236bf86dfa5b471
[INFO] running `Command { std: "docker" "start" "-a" "0abdad26aeca9821b1d909b3443b20160c8aadc52de9b0731236bf86dfa5b471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0abdad26aeca9821b1d909b3443b20160c8aadc52de9b0731236bf86dfa5b471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abdad26aeca9821b1d909b3443b20160c8aadc52de9b0731236bf86dfa5b471", kill_on_drop: false }`
[INFO] [stdout] 0abdad26aeca9821b1d909b3443b20160c8aadc52de9b0731236bf86dfa5b471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf2ece4412e2d0edba5da94ea8f6c38fbc0d55c547b80e43eb5dac8676ef755
[INFO] running `Command { std: "docker" "start" "-a" "fcf2ece4412e2d0edba5da94ea8f6c38fbc0d55c547b80e43eb5dac8676ef755", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.83
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.33
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.83
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fcf2ece4412e2d0edba5da94ea8f6c38fbc0d55c547b80e43eb5dac8676ef755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf2ece4412e2d0edba5da94ea8f6c38fbc0d55c547b80e43eb5dac8676ef755", kill_on_drop: false }`
[INFO] [stdout] fcf2ece4412e2d0edba5da94ea8f6c38fbc0d55c547b80e43eb5dac8676ef755