[INFO] cloning repository https://github.com/problame/libzfs-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/problame/libzfs-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Flibzfs-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Flibzfs-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74d07deef85b6da7918f2a1937721b470d9fa9dd [INFO] checking problame/libzfs-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Flibzfs-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/problame/libzfs-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/problame/libzfs-rs [INFO] finished tweaking git repo https://github.com/problame/libzfs-rs [INFO] tweaked toml for git repo https://github.com/problame/libzfs-rs written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/problame/libzfs-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.3.5 [INFO] [stderr] Downloaded clang-sys v0.22.0 [INFO] [stderr] Downloaded nvpair-sys v0.1.0 [INFO] [stderr] Downloaded bindgen v0.36.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 321764fd8de61e25ce5c2e0418beec1c1f39565375c99a8cd677e019369d0290 [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" "321764fd8de61e25ce5c2e0418beec1c1f39565375c99a8cd677e019369d0290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "321764fd8de61e25ce5c2e0418beec1c1f39565375c99a8cd677e019369d0290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "321764fd8de61e25ce5c2e0418beec1c1f39565375c99a8cd677e019369d0290", kill_on_drop: false }` [INFO] [stdout] 321764fd8de61e25ce5c2e0418beec1c1f39565375c99a8cd677e019369d0290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 556461fd5a0b8eb9d37ea36cbabf60ea0e4ebeeaf352a883a4e7d96c406e03d6 [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" "556461fd5a0b8eb9d37ea36cbabf60ea0e4ebeeaf352a883a4e7d96c406e03d6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling bindgen v0.36.1 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling nvpair-sys v0.1.0 [INFO] [stderr] Compiling clang-sys v0.22.0 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling libzfs-bindings v0.1.0 (/opt/rustwide/workdir/libzfs-bindings) [INFO] [stderr] Checking libzfs-rs v0.1.0 (/opt/rustwide/workdir/libzfs-rs) [INFO] [stdout] warning: type `Send_zfs_handle_t` should have an upper camel case name [INFO] [stdout] --> libzfs-rs/src/lib.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | struct Send_zfs_handle_t(*mut zfs_handle_t); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendZfsHandleT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> libzfs-rs/src/lib.rs:136:20 [INFO] [stdout] | [INFO] [stdout] 136 | stack: Vec>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> libzfs-rs/src/lib.rs:140:24 [INFO] [stdout] | [INFO] [stdout] 140 | fn init(roots: Box>) -> RecursiveChildren { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Send_zfs_handle_t` should have an upper camel case name [INFO] [stdout] --> libzfs-rs/src/lib.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | struct Send_zfs_handle_t(*mut zfs_handle_t); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendZfsHandleT` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> libzfs-rs/src/lib.rs:136:20 [INFO] [stdout] | [INFO] [stdout] 136 | stack: Vec>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> libzfs-rs/src/lib.rs:140:24 [INFO] [stdout] | [INFO] [stdout] 140 | fn init(roots: Box>) -> RecursiveChildren { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iterator_thread` [INFO] [stdout] --> libzfs-rs/src/lib.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let iterator_thread = std::thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterator_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> libzfs-rs/src/lib.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => None, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> libzfs-rs/src/lib.rs:106:26 [INFO] [stdout] | [INFO] [stdout] 106 | let (mut sender, mut receiver) = std::sync::mpsc::sync_channel(0); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> libzfs-rs/src/lib.rs:111:21 [INFO] [stdout] | [INFO] [stdout] 110 | unsafe extern "C" fn iter_cb(zh: *mut zfs_handle_t, sender_ptr: *mut std::os::raw::c_void) -> i32 { [INFO] [stdout] | ------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 111 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `h` [INFO] [stdout] --> libzfs-rs/src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | h: Send_zfs_handle_t, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> libzfs-rs/src/lib.rs:140:8 [INFO] [stdout] | [INFO] [stdout] 140 | fn init(roots: Box>) -> RecursiveChildren { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iterator_thread` [INFO] [stdout] --> libzfs-rs/src/lib.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let iterator_thread = std::thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterator_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> libzfs-rs/src/lib.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | Err(e) => None, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> libzfs-rs/src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | let h = LibZFSHandle::init(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> libzfs-rs/src/lib.rs:106:26 [INFO] [stdout] | [INFO] [stdout] 106 | let (mut sender, mut receiver) = std::sync::mpsc::sync_channel(0); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> libzfs-rs/src/lib.rs:111:21 [INFO] [stdout] | [INFO] [stdout] 110 | unsafe extern "C" fn iter_cb(zh: *mut zfs_handle_t, sender_ptr: *mut std::os::raw::c_void) -> i32 { [INFO] [stdout] | ------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 111 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `h` [INFO] [stdout] --> libzfs-rs/src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | h: Send_zfs_handle_t, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> libzfs-rs/src/lib.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | sender.send(Send_zfs_handle_t(zh)); [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 `Result` that must be used [INFO] [stdout] --> libzfs-rs/src/lib.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | sender.send(Send_zfs_handle_t(zh)); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 30s [INFO] running `Command { std: "docker" "inspect" "556461fd5a0b8eb9d37ea36cbabf60ea0e4ebeeaf352a883a4e7d96c406e03d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "556461fd5a0b8eb9d37ea36cbabf60ea0e4ebeeaf352a883a4e7d96c406e03d6", kill_on_drop: false }` [INFO] [stdout] 556461fd5a0b8eb9d37ea36cbabf60ea0e4ebeeaf352a883a4e7d96c406e03d6