[INFO] cloning repository https://github.com/souvik1997/fsbench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/souvik1997/fsbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Ffsbench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Ffsbench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77cc337e9e88a07ae9381abb4710f4c1b4ae2423 [INFO] testing souvik1997/fsbench against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Ffsbench" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/souvik1997/fsbench on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/souvik1997/fsbench [INFO] finished tweaking git repo https://github.com/souvik1997/fsbench [INFO] tweaked toml for git repo https://github.com/souvik1997/fsbench written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/souvik1997/fsbench already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded rayon v1.0.0 [INFO] [stderr] Downloaded serde v1.0.29 [INFO] [stderr] Downloaded fern v0.5.2 [INFO] [stderr] Downloaded serde_derive v1.0.29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82418fa4d8e619afb206bc314420a2c2ac9e2417ae2b585a872f3247b55baa95 [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" "82418fa4d8e619afb206bc314420a2c2ac9e2417ae2b585a872f3247b55baa95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82418fa4d8e619afb206bc314420a2c2ac9e2417ae2b585a872f3247b55baa95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82418fa4d8e619afb206bc314420a2c2ac9e2417ae2b585a872f3247b55baa95", kill_on_drop: false }` [INFO] [stdout] 82418fa4d8e619afb206bc314420a2c2ac9e2417ae2b585a872f3247b55baa95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddbe29cecab6f0fcf906000026767ffeac9e00ad5718e00befffd933e8fae2fc [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" "ddbe29cecab6f0fcf906000026767ffeac9e00ad5718e00befffd933e8fae2fc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling serde v1.0.29 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling clap v2.29.2 [INFO] [stderr] Compiling remove_dir_all v0.3.0 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling fern v0.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Compiling tempdir v0.3.6 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling rayon v1.0.0 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num-derive v0.2.0 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling serde_derive v1.0.29 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.11 [INFO] [stderr] Compiling fsbench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:22:62 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:63:62 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:94:62 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/benchmarks/create.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | use super::rand; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/delete.rs:33:62 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/delete.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 10 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 34 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/benchmarks/delete.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | use super::rand; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/rename.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/rename.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 11 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 35 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/listdir.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/listdir.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 11 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 35 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num` is imported redundantly [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | use num; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num; [INFO] [stdout] | ----------------- the item `num` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `split_string` [INFO] [stdout] --> src/fsbench/operation.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let split_string = vec![String::new()]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_split_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes` is assigned to, but never used [INFO] [stdout] --> src/fsbench/operation.rs:304:17 [INFO] [stdout] | [INFO] [stdout] 304 | let mut bytes = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SECTOR_SIZE` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub const SECTOR_SIZE: usize = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `elapsed` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 147 | elapsed: Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `total_duration` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | pub fn total_duration(&self) -> Duration { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/fsbench/operation.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | pub fn new() -> Read { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/fsbench/operation.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/fsbench/operation.rs:197:12 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn new() -> Write { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/fsbench/operation.rs:203:12 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ops_per_second` [INFO] [stdout] --> src/fsbench/statistics.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn ops_per_second(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/main.rs:106:31 [INFO] [stdout] | [INFO] [stdout] 106 | for fstype in filesystems.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 106 | for fstype in filesystems.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 106 - for fstype in filesystems.into_iter() { [INFO] [stdout] 106 + for fstype in filesystems { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "ddbe29cecab6f0fcf906000026767ffeac9e00ad5718e00befffd933e8fae2fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddbe29cecab6f0fcf906000026767ffeac9e00ad5718e00befffd933e8fae2fc", kill_on_drop: false }` [INFO] [stdout] ddbe29cecab6f0fcf906000026767ffeac9e00ad5718e00befffd933e8fae2fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4722428be1b808760821fb4b34016c06e43f4c47c86188c34e6b217c8dca44e [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" "f4722428be1b808760821fb4b34016c06e43f4c47c86188c34e6b217c8dca44e", kill_on_drop: false }` [INFO] [stderr] Compiling fsbench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:22:62 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:63:62 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/create.rs:94:62 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/benchmarks/create.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | use super::rand; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/delete.rs:33:62 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/delete.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 10 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 34 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/benchmarks/delete.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | use super::rand; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/rename.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/rename.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 11 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 35 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmarks/listdir.rs:34:62 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn load>(path: P) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/benchmarks/listdir.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 11 | use super::serde_json; [INFO] [stdout] | ----------------- the item `serde_json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 35 | use super::serde_json; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / bitflags! { [INFO] [stdout] 34 | | pub struct Category: u16 { [INFO] [stdout] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stdout] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stdout] ... | [INFO] [stdout] 53 | | } [INFO] [stdout] 54 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num` is imported redundantly [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | use num; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | extern crate num; [INFO] [stdout] | ----------------- the item `num` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `split_string` [INFO] [stdout] --> src/fsbench/operation.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let split_string = vec![String::new()]; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_split_string` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `bytes` is assigned to, but never used [INFO] [stdout] --> src/fsbench/operation.rs:304:17 [INFO] [stdout] | [INFO] [stdout] 304 | let mut bytes = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_bytes` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SECTOR_SIZE` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub const SECTOR_SIZE: usize = 512; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `elapsed` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 147 | elapsed: Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `total_duration` [INFO] [stdout] --> src/fsbench/blktrace/trace.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | pub fn total_duration(&self) -> Duration { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/fsbench/operation.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | pub fn new() -> Read { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/fsbench/operation.rs:171:12 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/fsbench/operation.rs:197:12 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn new() -> Write { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/fsbench/operation.rs:203:12 [INFO] [stdout] | [INFO] [stdout] 203 | pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ops_per_second` [INFO] [stdout] --> src/fsbench/statistics.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn ops_per_second(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/main.rs:106:31 [INFO] [stdout] | [INFO] [stdout] 106 | for fstype in filesystems.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 106 | for fstype in filesystems.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 106 - for fstype in filesystems.into_iter() { [INFO] [stdout] 106 + for fstype in filesystems { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "f4722428be1b808760821fb4b34016c06e43f4c47c86188c34e6b217c8dca44e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4722428be1b808760821fb4b34016c06e43f4c47c86188c34e6b217c8dca44e", kill_on_drop: false }` [INFO] [stdout] f4722428be1b808760821fb4b34016c06e43f4c47c86188c34e6b217c8dca44e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7580a279bc5485bde9ebc812193f271e774ea1a8f740a1cdeba4908a2fef87cf [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" "7580a279bc5485bde9ebc812193f271e774ea1a8f740a1cdeba4908a2fef87cf", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/create.rs:22:62 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/create.rs:63:62 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/create.rs:94:62 [INFO] [stderr] | [INFO] [stderr] 94 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/benchmarks/create.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | use super::rand; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/delete.rs:33:62 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/benchmarks/delete.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 10 | use super::serde_json; [INFO] [stderr] | ----------------- the item `serde_json` is already imported here [INFO] [stderr] ... [INFO] [stderr] 34 | use super::serde_json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/benchmarks/delete.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | use super::rand; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/rename.rs:34:62 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/benchmarks/rename.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 11 | use super::serde_json; [INFO] [stderr] | ----------------- the item `serde_json` is already imported here [INFO] [stderr] ... [INFO] [stderr] 35 | use super::serde_json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/benchmarks/listdir.rs:34:62 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn load>(path: P) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/benchmarks/listdir.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 11 | use super::serde_json; [INFO] [stderr] | ----------------- the item `serde_json` is already imported here [INFO] [stderr] ... [INFO] [stderr] 35 | use super::serde_json; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | / bitflags! { [INFO] [stderr] 34 | | pub struct Category: u16 { [INFO] [stderr] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stderr] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stderr] ... | [INFO] [stderr] 53 | | } [INFO] [stderr] 54 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | / bitflags! { [INFO] [stderr] 34 | | pub struct Category: u16 { [INFO] [stderr] 35 | | const READ = 1 << 0; /* reads */ [INFO] [stderr] 36 | | const WRITE = 1 << 1; /* writes */ [INFO] [stderr] ... | [INFO] [stderr] 53 | | } [INFO] [stderr] 54 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: the item `num` is imported redundantly [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | use num; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | extern crate num; [INFO] [stderr] | ----------------- the item `num` is already imported here [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `split_string` [INFO] [stderr] --> src/fsbench/operation.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let split_string = vec![String::new()]; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_split_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `bytes` is assigned to, but never used [INFO] [stderr] --> src/fsbench/operation.rs:304:17 [INFO] [stderr] | [INFO] [stderr] 304 | let mut bytes = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_bytes` instead [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `SECTOR_SIZE` [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub const SECTOR_SIZE: usize = 512; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `elapsed` [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:147:5 [INFO] [stderr] | [INFO] [stderr] 147 | elapsed: Duration, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `total_duration` [INFO] [stderr] --> src/fsbench/blktrace/trace.rs:243:12 [INFO] [stderr] | [INFO] [stderr] 243 | pub fn total_duration(&self) -> Duration { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/fsbench/operation.rs:165:12 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn new() -> Read { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [INFO] [stderr] --> src/fsbench/operation.rs:171:12 [INFO] [stderr] | [INFO] [stderr] 171 | pub fn run(&mut self, fd: RawFd, buf: &mut [u8]) -> nix::Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/fsbench/operation.rs:197:12 [INFO] [stderr] | [INFO] [stderr] 197 | pub fn new() -> Write { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [INFO] [stderr] --> src/fsbench/operation.rs:203:12 [INFO] [stderr] | [INFO] [stderr] 203 | pub fn run(&mut self, fd: RawFd, buf: &[u8]) -> nix::Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `ops_per_second` [INFO] [stderr] --> src/fsbench/statistics.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn ops_per_second(&self) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(duration_extras)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stderr] --> src/main.rs:106:31 [INFO] [stderr] | [INFO] [stderr] 106 | for fstype in filesystems.into_iter() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 106 | for fstype in filesystems.iter() { [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or remove `.into_iter()` to iterate by value [INFO] [stderr] | [INFO] [stderr] 106 - for fstype in filesystems.into_iter() { [INFO] [stderr] 106 + for fstype in filesystems { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `fsbench` (bin "fsbench" test) generated 28 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fsbench-b501ef036aea1fac) [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" "7580a279bc5485bde9ebc812193f271e774ea1a8f740a1cdeba4908a2fef87cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7580a279bc5485bde9ebc812193f271e774ea1a8f740a1cdeba4908a2fef87cf", kill_on_drop: false }` [INFO] [stdout] 7580a279bc5485bde9ebc812193f271e774ea1a8f740a1cdeba4908a2fef87cf