[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] checking souvik1997/fsbench against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Ffsbench" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/souvik1997/fsbench on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a012ec534949e742efa4dc7548ad82a4e2b9f2dee4882f75ae61f8ced04b820 [INFO] running `Command { std: "docker" "start" "-a" "8a012ec534949e742efa4dc7548ad82a4e2b9f2dee4882f75ae61f8ced04b820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a012ec534949e742efa4dc7548ad82a4e2b9f2dee4882f75ae61f8ced04b820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a012ec534949e742efa4dc7548ad82a4e2b9f2dee4882f75ae61f8ced04b820", kill_on_drop: false }` [INFO] [stdout] 8a012ec534949e742efa4dc7548ad82a4e2b9f2dee4882f75ae61f8ced04b820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2df9f55d8510b65d3c4428b72d5ea2870d4822b9048811dbc8f3af19c1210e4 [INFO] running `Command { std: "docker" "start" "-a" "a2df9f55d8510b65d3c4428b72d5ea2870d4822b9048811dbc8f3af19c1210e4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking serde v1.0.29 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking colored v1.6.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking fern v0.5.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking clap v2.29.2 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking serde_json v1.0.11 [INFO] [stderr] Checking rayon v1.0.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.29 [INFO] [stderr] Compiling num-derive v0.2.0 [INFO] [stderr] Checking 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: 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: 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: 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: 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: 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: 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: 29 warnings emitted [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: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.48s [INFO] running `Command { std: "docker" "inspect" "a2df9f55d8510b65d3c4428b72d5ea2870d4822b9048811dbc8f3af19c1210e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2df9f55d8510b65d3c4428b72d5ea2870d4822b9048811dbc8f3af19c1210e4", kill_on_drop: false }` [INFO] [stdout] a2df9f55d8510b65d3c4428b72d5ea2870d4822b9048811dbc8f3af19c1210e4