[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 beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouvik1997%2Ffsbench" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/souvik1997/fsbench on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8ab92ab0a80154fb9fa658dc33f1e99bcd6e6d3c0549b94b3abe94ec9013822 [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" "d8ab92ab0a80154fb9fa658dc33f1e99bcd6e6d3c0549b94b3abe94ec9013822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8ab92ab0a80154fb9fa658dc33f1e99bcd6e6d3c0549b94b3abe94ec9013822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8ab92ab0a80154fb9fa658dc33f1e99bcd6e6d3c0549b94b3abe94ec9013822", kill_on_drop: false }` [INFO] [stdout] d8ab92ab0a80154fb9fa658dc33f1e99bcd6e6d3c0549b94b3abe94ec9013822 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d78658e6ba2676c648e88d74ca9d31eea3be04982dc45a7c036b0b11866d1224 [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" "d78658e6ba2676c648e88d74ca9d31eea3be04982dc45a7c036b0b11866d1224", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Checking serde v1.0.29 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking colored v1.6.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking clap v2.29.2 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking fern v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.29 [INFO] [stderr] Checking rayon v1.0.0 [INFO] [stderr] Compiling num-derive v0.2.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking serde_json v1.0.11 [INFO] [stderr] Checking fsbench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(duration_extras)] [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 a macro (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 a macro (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 a macro (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] [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] [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] [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] [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] [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: 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 a macro (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/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] [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: 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: 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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: 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 a macro (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] [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] [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] [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] [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] [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] [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: 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] error: aborting due to previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fsbench` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d78658e6ba2676c648e88d74ca9d31eea3be04982dc45a7c036b0b11866d1224", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78658e6ba2676c648e88d74ca9d31eea3be04982dc45a7c036b0b11866d1224", kill_on_drop: false }` [INFO] [stdout] d78658e6ba2676c648e88d74ca9d31eea3be04982dc45a7c036b0b11866d1224