[INFO] cloning repository https://github.com/ethersync/automerge-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethersync/automerge-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethersync%2Fautomerge-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethersync%2Fautomerge-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f4f922e7bdd16d0c04fe218a60bafb811651333
[INFO] building ethersync/automerge-playground against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethersync%2Fautomerge-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethersync/automerge-playground
[INFO] finished tweaking git repo https://github.com/ethersync/automerge-playground
[INFO] tweaked toml for git repo https://github.com/ethersync/automerge-playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethersync/automerge-playground on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethersync/automerge-playground 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str_indices v0.3.2
[INFO] [stderr]   Downloaded smol_str v0.2.1
[INFO] [stderr]   Downloaded rle v0.2.0
[INFO] [stderr]   Downloaded operational-transform v0.6.1
[INFO] [stderr]   Downloaded str_indices v0.4.3
[INFO] [stderr]   Downloaded content-tree v0.2.0
[INFO] [stderr]   Downloaded autosurgeon-derive v0.8.0
[INFO] [stderr]   Downloaded autosurgeon v0.8.3
[INFO] [stderr]   Downloaded diamond-types v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded yrs v0.17.4
[INFO] [stderr]   Downloaded similar v2.4.0
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded jumprope v1.1.2
[INFO] [stderr]   Downloaded lz4_flex v0.9.5
[INFO] [stderr]   Downloaded kyte v0.1.0
[INFO] [stderr]   Downloaded y-sync v0.4.0
[INFO] [stderr]   Downloaded smallstr v0.3.0
[INFO] [stderr]   Downloaded automerge v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376737687c74283afec2260fe82f36ee625f25840ed566cf9b5ba48fbcf23a3a
[INFO] running `Command { std: "docker" "start" "-a" "376737687c74283afec2260fe82f36ee625f25840ed566cf9b5ba48fbcf23a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376737687c74283afec2260fe82f36ee625f25840ed566cf9b5ba48fbcf23a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376737687c74283afec2260fe82f36ee625f25840ed566cf9b5ba48fbcf23a3a", kill_on_drop: false }`
[INFO] [stdout] 376737687c74283afec2260fe82f36ee625f25840ed566cf9b5ba48fbcf23a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4b2b22f07b3f97b971af674f8c8a8fb5d980023ac33196a4686578ed4b28fa
[INFO] running `Command { std: "docker" "start" "-a" "5d4b2b22f07b3f97b971af674f8c8a8fb5d980023ac33196a4686578ed4b28fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling rle v0.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallstr v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling str_indices v0.4.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling content-tree v0.2.0
[INFO] [stderr]    Compiling similar v2.4.0
[INFO] [stderr]    Compiling lz4_flex v0.9.5
[INFO] [stderr]    Compiling jumprope v1.1.2
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling str_indices v0.3.2
[INFO] [stderr]    Compiling operational-transform v0.6.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling diamond-types v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling derive_arbitrary v1.3.2
[INFO] [stderr]    Compiling arbitrary v1.3.2
[INFO] [stderr]    Compiling autosurgeon-derive v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling smol_str v0.2.1
[INFO] [stderr]    Compiling kyte v0.1.0
[INFO] [stderr]    Compiling automerge v0.5.7
[INFO] [stderr]    Compiling yrs v0.17.4
[INFO] [stderr]    Compiling y-sync v0.4.0
[INFO] [stderr]    Compiling autosurgeon v0.8.3
[INFO] [stderr]    Compiling hello-automerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5d4b2b22f07b3f97b971af674f8c8a8fb5d980023ac33196a4686578ed4b28fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4b2b22f07b3f97b971af674f8c8a8fb5d980023ac33196a4686578ed4b28fa", kill_on_drop: false }`
[INFO] [stdout] 5d4b2b22f07b3f97b971af674f8c8a8fb5d980023ac33196a4686578ed4b28fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c95a51e201dc94374125cff3ecc8613aab3714084719023aa3077b4fa37f45
[INFO] running `Command { std: "docker" "start" "-a" "d7c95a51e201dc94374125cff3ecc8613aab3714084719023aa3077b4fa37f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-automerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d7c95a51e201dc94374125cff3ecc8613aab3714084719023aa3077b4fa37f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c95a51e201dc94374125cff3ecc8613aab3714084719023aa3077b4fa37f45", kill_on_drop: false }`
[INFO] [stdout] d7c95a51e201dc94374125cff3ecc8613aab3714084719023aa3077b4fa37f45