[INFO] fetching crate wasmer-vfs 3.1.1... [INFO] checking wasmer-vfs-3.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate wasmer-vfs 3.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate wasmer-vfs 3.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wasmer-vfs 3.1.1 [INFO] finished tweaking crates.io crate wasmer-vfs 3.1.1 [INFO] tweaked toml for crates.io crate wasmer-vfs 3.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 68 packages [INFO] [stderr] Adding any_ascii v0.1.7 (latest: v0.3.2) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.7) [INFO] [stderr] Adding erased-serde v0.3.31 (latest: v0.4.4) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding inventory v0.2.3 (latest: v0.3.15) [INFO] [stderr] Adding path-clean v0.1.0 (latest: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding typetag v0.1.8 (latest: v0.2.16) [INFO] [stderr] Adding typetag-impl v0.1.8 (latest: v0.2.16) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding webc v3.0.1 (latest: v5.8.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded webc v3.0.1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f305911167b1708840aa5f6db2c97fa64f6d1bc20c8525d47a203d6e42dc52f [INFO] running `Command { std: "docker" "start" "-a" "2f305911167b1708840aa5f6db2c97fa64f6d1bc20c8525d47a203d6e42dc52f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f305911167b1708840aa5f6db2c97fa64f6d1bc20c8525d47a203d6e42dc52f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f305911167b1708840aa5f6db2c97fa64f6d1bc20c8525d47a203d6e42dc52f", kill_on_drop: false }` [INFO] [stdout] 2f305911167b1708840aa5f6db2c97fa64f6d1bc20c8525d47a203d6e42dc52f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6bfef84efedfc1f0219d362532f7392385f8bb4e0b003fc2f3b2ed19f13d029 [INFO] running `Command { std: "docker" "start" "-a" "d6bfef84efedfc1f0219d362532f7392385f8bb4e0b003fc2f3b2ed19f13d029", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking any_ascii v0.1.7 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking path-clean v0.1.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking lexical-sort v0.3.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking getrandom v0.2.12 [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] Checking webc v3.0.1 [INFO] [stderr] Checking wasmer-vfs v3.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Metadata` is imported redundantly [INFO] [stdout] --> src/mem_fs/file_opener.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Metadata` is already imported here [INFO] [stdout] 2 | use crate::{FileType, FsError, Metadata, OpenOptionsConfig, Result, VirtualFile}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Metadata` is imported redundantly [INFO] [stdout] --> src/mem_fs/filesystem.rs:4:42 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Metadata` is already imported here [INFO] [stdout] 4 | use crate::{DirEntry, FileType, FsError, Metadata, OpenOptions, ReadDir, Result}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `OsString` is imported redundantly [INFO] [stdout] --> src/mem_fs/filesystem.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `OsString` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::ffi::OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Metadata` is imported redundantly [INFO] [stdout] --> src/mem_fs/file_opener.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Metadata` is already imported here [INFO] [stdout] 2 | use crate::{FileType, FsError, Metadata, OpenOptionsConfig, Result, VirtualFile}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Metadata` is imported redundantly [INFO] [stdout] --> src/mem_fs/filesystem.rs:4:42 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Metadata` is already imported here [INFO] [stdout] 4 | use crate::{DirEntry, FileType, FsError, Metadata, OpenOptions, ReadDir, Result}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `OsString` is imported redundantly [INFO] [stdout] --> src/mem_fs/filesystem.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `OsString` is already imported here [INFO] [stdout] ... [INFO] [stdout] 7 | use std::ffi::OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.23s [INFO] running `Command { std: "docker" "inspect" "d6bfef84efedfc1f0219d362532f7392385f8bb4e0b003fc2f3b2ed19f13d029", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6bfef84efedfc1f0219d362532f7392385f8bb4e0b003fc2f3b2ed19f13d029", kill_on_drop: false }` [INFO] [stdout] d6bfef84efedfc1f0219d362532f7392385f8bb4e0b003fc2f3b2ed19f13d029 [INFO] checking wasmer-vfs-3.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate wasmer-vfs 3.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate wasmer-vfs 3.1.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wasmer-vfs 3.1.1 [INFO] finished tweaking crates.io crate wasmer-vfs 3.1.1 [INFO] tweaked toml for crates.io crate wasmer-vfs 3.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7faebe1497c18f4c4a6c09ee0ae508381001fcb8a37ab84fce0f2cb30279f5f4 [INFO] running `Command { std: "docker" "start" "-a" "7faebe1497c18f4c4a6c09ee0ae508381001fcb8a37ab84fce0f2cb30279f5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7faebe1497c18f4c4a6c09ee0ae508381001fcb8a37ab84fce0f2cb30279f5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7faebe1497c18f4c4a6c09ee0ae508381001fcb8a37ab84fce0f2cb30279f5f4", kill_on_drop: false }` [INFO] [stdout] 7faebe1497c18f4c4a6c09ee0ae508381001fcb8a37ab84fce0f2cb30279f5f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce206b1537c6508b5a4c70a3d17a34576091dd0f004f639ed7766ed80ed68aa8 [INFO] running `Command { std: "docker" "start" "-a" "ce206b1537c6508b5a4c70a3d17a34576091dd0f004f639ed7766ed80ed68aa8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking any_ascii v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking path-clean v0.1.0 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking lexical-sort v0.3.1 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking webc v3.0.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/webc-3.0.1/src/lib.rs:1829:13 [INFO] [stdout] | [INFO] [stdout] 1829 | / match self [INFO] [stdout] 1830 | | .volumes [INFO] [stdout] 1831 | | .get(&volume) [INFO] [stdout] 1832 | | .and_then(|v| v.get_file_entry(&path).ok()) [INFO] [stdout] ... | [INFO] [stdout] 1835 | | None => continue, [INFO] [stdout] 1836 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `webc` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ce206b1537c6508b5a4c70a3d17a34576091dd0f004f639ed7766ed80ed68aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce206b1537c6508b5a4c70a3d17a34576091dd0f004f639ed7766ed80ed68aa8", kill_on_drop: false }` [INFO] [stdout] ce206b1537c6508b5a4c70a3d17a34576091dd0f004f639ed7766ed80ed68aa8