[INFO] fetching crate loro-common 0.1.0... [INFO] checking loro-common-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate loro-common 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate loro-common 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate loro-common 0.1.0 [INFO] finished tweaking crates.io crate loro-common 0.1.0 [INFO] tweaked toml for crates.io crate loro-common 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 76 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding debug-log v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding enum-as-inner v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding js-sys v0.3.63 (latest: v0.3.69) [INFO] [stderr] Adding loro-rle v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding ouroboros v0.15.6 (latest: v0.18.3) [INFO] [stderr] Adding ouroboros_macro v0.15.6 (latest: v0.18.3) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasm-bindgen v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-backend v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-macro v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-macro-support v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-shared v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.86 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.86 [INFO] [stderr] Downloaded ouroboros_macro v0.15.6 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.86 [INFO] [stderr] Downloaded ouroboros v0.15.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.86 [INFO] [stderr] Downloaded aliasable v0.1.3 [INFO] [stderr] Downloaded loro-rle v0.1.0 [INFO] [stderr] Downloaded derive_arbitrary v1.3.2 [INFO] [stderr] Downloaded arbitrary v1.3.2 [INFO] [stderr] Downloaded js-sys v0.3.63 [INFO] [stderr] Downloaded wasm-bindgen v0.2.86 [INFO] [stderr] Downloaded enum-as-inner v0.6.0 [INFO] [stderr] Downloaded append-only-bytes v0.1.12 [INFO] [stderr] Downloaded arref v0.1.0 [INFO] [stderr] Downloaded crdt-list v0.4.1 [INFO] [stderr] Downloaded enum-as-inner v0.5.1 [INFO] [stderr] Downloaded debug-log v0.2.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eabcdcaadba500ae2cfa6093ce2efa46c88dae48992a0cd85e975e2cf1a90d56 [INFO] running `Command { std: "docker" "start" "-a" "eabcdcaadba500ae2cfa6093ce2efa46c88dae48992a0cd85e975e2cf1a90d56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eabcdcaadba500ae2cfa6093ce2efa46c88dae48992a0cd85e975e2cf1a90d56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eabcdcaadba500ae2cfa6093ce2efa46c88dae48992a0cd85e975e2cf1a90d56", kill_on_drop: false }` [INFO] [stdout] eabcdcaadba500ae2cfa6093ce2efa46c88dae48992a0cd85e975e2cf1a90d56 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e80b3432e54bb186468cb357f912c6e9a19211cb92d4c4f37523e72c3c381b11 [INFO] running `Command { std: "docker" "start" "-a" "e80b3432e54bb186468cb357f912c6e9a19211cb92d4c4f37523e72c3c381b11", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking arref v0.1.0 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking debug-log v0.2.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking bumpalo v3.15.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking crdt-list v0.4.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking append-only-bytes v0.1.12 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling derive_arbitrary v1.3.2 [INFO] [stderr] Compiling enum-as-inner v0.6.0 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Compiling ouroboros_macro v0.15.6 [INFO] [stderr] Compiling enum-as-inner v0.5.1 [INFO] [stderr] Checking ouroboros v0.15.6 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking loro-rle v0.1.0 [INFO] [stderr] Checking string_cache v0.8.7 [INFO] [stderr] Checking loro-common v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.52s [INFO] running `Command { std: "docker" "inspect" "e80b3432e54bb186468cb357f912c6e9a19211cb92d4c4f37523e72c3c381b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e80b3432e54bb186468cb357f912c6e9a19211cb92d4c4f37523e72c3c381b11", kill_on_drop: false }` [INFO] [stdout] e80b3432e54bb186468cb357f912c6e9a19211cb92d4c4f37523e72c3c381b11 [INFO] checking loro-common-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate loro-common 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate loro-common 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate loro-common 0.1.0 [INFO] finished tweaking crates.io crate loro-common 0.1.0 [INFO] tweaked toml for crates.io crate loro-common 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 76 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding debug-log v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding enum-as-inner v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding js-sys v0.3.63 (latest: v0.3.69) [INFO] [stderr] Adding loro-rle v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding ouroboros v0.15.6 (latest: v0.18.3) [INFO] [stderr] Adding ouroboros_macro v0.15.6 (latest: v0.18.3) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasm-bindgen v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-backend v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-macro v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-macro-support v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding wasm-bindgen-shared v0.2.86 (latest: v0.2.92) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95991b70c5f29a674ddff913b597937f6611d1e3cddee3cf9b1ddc46ef0f0ec5 [INFO] running `Command { std: "docker" "start" "-a" "95991b70c5f29a674ddff913b597937f6611d1e3cddee3cf9b1ddc46ef0f0ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95991b70c5f29a674ddff913b597937f6611d1e3cddee3cf9b1ddc46ef0f0ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95991b70c5f29a674ddff913b597937f6611d1e3cddee3cf9b1ddc46ef0f0ec5", kill_on_drop: false }` [INFO] [stdout] 95991b70c5f29a674ddff913b597937f6611d1e3cddee3cf9b1ddc46ef0f0ec5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5e22e5a0eefc04c81473ffaca9e9d741131027d7c103a5b3287b987d0a4953c [INFO] running `Command { std: "docker" "start" "-a" "b5e22e5a0eefc04c81473ffaca9e9d741131027d7c103a5b3287b987d0a4953c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking arref v0.1.0 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking debug-log v0.2.2 [INFO] [stderr] Checking append-only-bytes v0.1.12 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking bumpalo v3.15.4 [INFO] [stderr] Checking crdt-list v0.4.1 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derive_arbitrary v1.3.2 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling enum-as-inner v0.6.0 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Compiling ouroboros_macro v0.15.6 [INFO] [stderr] Compiling enum-as-inner v0.5.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking ouroboros v0.15.6 [INFO] [stderr] Checking loro-rle v0.1.0 [INFO] [stderr] Checking string_cache v0.8.7 [INFO] [stderr] Checking loro-common v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.26s [INFO] running `Command { std: "docker" "inspect" "b5e22e5a0eefc04c81473ffaca9e9d741131027d7c103a5b3287b987d0a4953c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5e22e5a0eefc04c81473ffaca9e9d741131027d7c103a5b3287b987d0a4953c", kill_on_drop: false }` [INFO] [stdout] b5e22e5a0eefc04c81473ffaca9e9d741131027d7c103a5b3287b987d0a4953c