[INFO] cloning repository https://github.com/yzyDavid/YBase [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yzyDavid/YBase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyzyDavid%2FYBase", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyzyDavid%2FYBase'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ff6c15216bafcfe6da83c1683fb7178d9e6926b [INFO] checking yzyDavid/YBase against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyzyDavid%2FYBase" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yzyDavid/YBase on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yzyDavid/YBase [INFO] finished tweaking git repo https://github.com/yzyDavid/YBase [INFO] tweaked toml for git repo https://github.com/yzyDavid/YBase written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/yzyDavid/YBase already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded humantime v1.2.0 [INFO] [stderr] Downloaded ucd-util v0.1.5 [INFO] [stderr] Downloaded aho-corasick v0.7.4 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded syn v0.15.42 [INFO] [stderr] Downloaded serde_derive v1.0.98 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded cc v1.0.38 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded regex-syntax v0.6.10 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded regex v1.2.0 [INFO] [stderr] Downloaded uuid v0.7.4 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] [stderr] Downloaded nix v0.14.1 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32884d5ae8ab5b9427f89f92bda245c61b8e10d8f941cfeb0b5edde77226c5db [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "32884d5ae8ab5b9427f89f92bda245c61b8e10d8f941cfeb0b5edde77226c5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32884d5ae8ab5b9427f89f92bda245c61b8e10d8f941cfeb0b5edde77226c5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32884d5ae8ab5b9427f89f92bda245c61b8e10d8f941cfeb0b5edde77226c5db", kill_on_drop: false }` [INFO] [stdout] 32884d5ae8ab5b9427f89f92bda245c61b8e10d8f941cfeb0b5edde77226c5db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bd3ceb5815d376d8d521e5f82e2f4df542bee11ce16ac74bbddd0e4c21c1402 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3bd3ceb5815d376d8d521e5f82e2f4df542bee11ce16ac74bbddd0e4c21c1402", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking regex v1.2.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking serde v1.0.98 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking ybase v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/storage/fixmap/engine.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/storage/fixmap/engine.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/storage/fixmap/engine.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/storage/fixmap/engine.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `os_string` [INFO] [stdout] --> src/error.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | fn from(os_string: std::ffi::OsString) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `meta_path` [INFO] [stdout] --> src/storage/fixmap/engine.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | meta_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `context` [INFO] [stdout] --> src/storage/fixmap/engine.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | context: RuntimeContext, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alloc_page` [INFO] [stdout] --> src/storage/fixmap/engine.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn alloc_page(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sync_meta` [INFO] [stdout] --> src/storage/fixmap/engine.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | fn sync_meta(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `os_string` [INFO] [stdout] --> src/error.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | fn from(os_string: std::ffi::OsString) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | self.mmap_file(&page_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | serde_json::to_string(&self.meta); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | self.mmap_file(&page_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `meta_path` [INFO] [stdout] --> src/storage/fixmap/engine.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | meta_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `context` [INFO] [stdout] --> src/storage/fixmap/engine.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | context: RuntimeContext, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alloc_page` [INFO] [stdout] --> src/storage/fixmap/engine.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn alloc_page(&mut self) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sync_meta` [INFO] [stdout] --> src/storage/fixmap/engine.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | fn sync_meta(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | self.mmap_file(&page_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | serde_json::to_string(&self.meta); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/storage/fixmap/engine.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | self.mmap_file(&page_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.02s [INFO] running `Command { std: "docker" "inspect" "3bd3ceb5815d376d8d521e5f82e2f4df542bee11ce16ac74bbddd0e4c21c1402", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bd3ceb5815d376d8d521e5f82e2f4df542bee11ce16ac74bbddd0e4c21c1402", kill_on_drop: false }` [INFO] [stdout] 3bd3ceb5815d376d8d521e5f82e2f4df542bee11ce16ac74bbddd0e4c21c1402