[INFO] fetching crate wasmer-vfs 2.2.0-rc2... [INFO] testing wasmer-vfs-2.2.0-rc2 against 1.59.0 for beta-1.60-1 [INFO] extracting crate wasmer-vfs 2.2.0-rc2 into /workspace/builds/worker-83/source [INFO] validating manifest of crates.io crate wasmer-vfs 2.2.0-rc2 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wasmer-vfs 2.2.0-rc2 [INFO] finished tweaking crates.io crate wasmer-vfs 2.2.0-rc2 [INFO] tweaked toml for crates.io crate wasmer-vfs 2.2.0-rc2 written to /workspace/builds/worker-83/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83cb3c14aeab348ff26a1f2d4fdcb6d09855c676cfa0202846d0838994d11441 [INFO] running `Command { std: "docker" "start" "-a" "83cb3c14aeab348ff26a1f2d4fdcb6d09855c676cfa0202846d0838994d11441", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83cb3c14aeab348ff26a1f2d4fdcb6d09855c676cfa0202846d0838994d11441", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83cb3c14aeab348ff26a1f2d4fdcb6d09855c676cfa0202846d0838994d11441", kill_on_drop: false }` [INFO] [stdout] 83cb3c14aeab348ff26a1f2d4fdcb6d09855c676cfa0202846d0838994d11441 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e071e0962a16be8ac3459aadf6d6d857d99dd27584e57d367c77b921eab6ec10 [INFO] running `Command { std: "docker" "start" "-a" "e071e0962a16be8ac3459aadf6d6d857d99dd27584e57d367c77b921eab6ec10", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling tracing-attributes v0.1.19 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tracing v0.1.31 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling wasmer-vfs v2.2.0-rc2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `flags` [INFO] [stdout] --> src/host_fs.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | flags: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.68s [INFO] running `Command { std: "docker" "inspect" "e071e0962a16be8ac3459aadf6d6d857d99dd27584e57d367c77b921eab6ec10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e071e0962a16be8ac3459aadf6d6d857d99dd27584e57d367c77b921eab6ec10", kill_on_drop: false }` [INFO] [stdout] e071e0962a16be8ac3459aadf6d6d857d99dd27584e57d367c77b921eab6ec10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e04e5981d4418477ec4b86a2558a5562de1863bf3a72aa9196f106b796ffe19a [INFO] running `Command { std: "docker" "start" "-a" "e04e5981d4418477ec4b86a2558a5562de1863bf3a72aa9196f106b796ffe19a", kill_on_drop: false }` [INFO] [stderr] Compiling wasmer-vfs v2.2.0-rc2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `flags` [INFO] [stdout] --> src/host_fs.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | flags: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flags` [INFO] [stdout] --> src/host_fs.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 208 | flags: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `Command { std: "docker" "inspect" "e04e5981d4418477ec4b86a2558a5562de1863bf3a72aa9196f106b796ffe19a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e04e5981d4418477ec4b86a2558a5562de1863bf3a72aa9196f106b796ffe19a", kill_on_drop: false }` [INFO] [stdout] e04e5981d4418477ec4b86a2558a5562de1863bf3a72aa9196f106b796ffe19a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7a2d47c3c732c21124896ab9583669d3537ae8528f5c9342eded6170503f67df [INFO] running `Command { std: "docker" "start" "-a" "7a2d47c3c732c21124896ab9583669d3537ae8528f5c9342eded6170503f67df", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `flags` [INFO] [stderr] --> src/host_fs.rs:208:5 [INFO] [stderr] | [INFO] [stderr] 208 | flags: u16, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `wasmer-vfs` (lib) generated 1 warning [INFO] [stderr] warning: `wasmer-vfs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wasmer_vfs-ed66cfa8f158e314) [INFO] [stdout] [INFO] [stdout] running 35 tests [INFO] [stdout] test mem_fs::file::test_read_write_seek::test_reading ... ok [INFO] [stdout] test mem_fs::file::test_read_write_seek::test_reading_exact_buffer ... ok [INFO] [stdout] test mem_fs::file::test_read_write_seek::test_reading_to_string ... ok [INFO] [stdout] test mem_fs::file::test_read_write_seek::test_writing_at_various_positions ... ok [INFO] [stdout] test mem_fs::file::test_read_write_seek::test_reading_to_the_end ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_bytes_available ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_created_time ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_fd ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_set_len ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_last_modified ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_size ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_unlink ... ok [INFO] [stdout] test mem_fs::file_opener::test_file_opener::test_append ... ok [INFO] [stdout] test mem_fs::file_opener::test_file_opener::test_create_new_file ... ok [INFO] [stdout] test mem_fs::file_opener::test_file_opener::test_opening_a_file_that_already_exists ... ok [INFO] [stdout] test mem_fs::file_opener::test_file_opener::test_truncate ... ok [INFO] [stdout] test mem_fs::file_opener::test_file_opener::test_truncate_a_read_only_file ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_canonicalize ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_create_dir ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_new_filesystem ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_readdir ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_remove_dir ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_rename ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_remove_file ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_read_stdin ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_read_stderr ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_read_stdout ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_seek_stderr ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_seek_stdin ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_seek_stdout ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_write_stderr ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_write_stdin ... ok [INFO] [stdout] test mem_fs::stdio::test_read_write_seek::test_write_stdout ... ok [INFO] [stdout] test mem_fs::file::test_virtual_file::test_last_accessed ... ok [INFO] [stdout] test mem_fs::filesystem::test_filesystem::test_metadata ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.00s [INFO] [stdout] [INFO] [stderr] Doc-tests wasmer-vfs [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a2d47c3c732c21124896ab9583669d3537ae8528f5c9342eded6170503f67df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a2d47c3c732c21124896ab9583669d3537ae8528f5c9342eded6170503f67df", kill_on_drop: false }` [INFO] [stdout] 7a2d47c3c732c21124896ab9583669d3537ae8528f5c9342eded6170503f67df