[INFO] fetching crate sysutil 0.7.2... [INFO] testing sysutil-0.7.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate sysutil 0.7.2 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate sysutil 0.7.2 [INFO] finished tweaking crates.io crate sysutil 0.7.2 [INFO] tweaked toml for crates.io crate sysutil 0.7.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sysutil 0.7.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate sysutil 0.7.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rsjson v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03432401a6622015a93607bc4a6aac4e3b393f24b02400ef1cc98c2dc201cfc9 [INFO] running `Command { std: "docker" "start" "-a" "03432401a6622015a93607bc4a6aac4e3b393f24b02400ef1cc98c2dc201cfc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03432401a6622015a93607bc4a6aac4e3b393f24b02400ef1cc98c2dc201cfc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03432401a6622015a93607bc4a6aac4e3b393f24b02400ef1cc98c2dc201cfc9", kill_on_drop: false }` [INFO] [stdout] 03432401a6622015a93607bc4a6aac4e3b393f24b02400ef1cc98c2dc201cfc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48e7d0044609f1a811a477d10f12c6dca973094d40b86829d683621a17a6c2ff [INFO] running `Command { std: "docker" "start" "-a" "48e7d0044609f1a811a477d10f12c6dca973094d40b86829d683621a17a6c2ff", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling rsjson v0.5.1 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling sysutil v0.7.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `savedSize` [INFO] [stdout] --> src/cpu.rs:576:26 [INFO] [stdout] | [INFO] [stdout] 576 | let (savedSize, savedShared) = savedLevel; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_savedSize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:419:21 [INFO] [stdout] | [INFO] [stdout] 419 | let mut interfaceEntry = iface.unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/cpu.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | for chunk in chunks { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + while let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + if let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.89s [INFO] running `Command { std: "docker" "inspect" "48e7d0044609f1a811a477d10f12c6dca973094d40b86829d683621a17a6c2ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e7d0044609f1a811a477d10f12c6dca973094d40b86829d683621a17a6c2ff", kill_on_drop: false }` [INFO] [stdout] 48e7d0044609f1a811a477d10f12c6dca973094d40b86829d683621a17a6c2ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76e44cd0860cb64fc3aaedb9930fdfc6b59511148bdb6718b5608dc37eb386e6 [INFO] running `Command { std: "docker" "start" "-a" "76e44cd0860cb64fc3aaedb9930fdfc6b59511148bdb6718b5608dc37eb386e6", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `savedSize` [INFO] [stdout] --> src/cpu.rs:576:26 [INFO] [stdout] | [INFO] [stdout] 576 | let (savedSize, savedShared) = savedLevel; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_savedSize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sysutil v0.7.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:419:21 [INFO] [stdout] | [INFO] [stdout] 419 | let mut interfaceEntry = iface.unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/cpu.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | for chunk in chunks { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + while let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + if let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `savedSize` [INFO] [stdout] --> src/cpu.rs:576:26 [INFO] [stdout] | [INFO] [stdout] 576 | let (savedSize, savedShared) = savedLevel; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_savedSize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:419:21 [INFO] [stdout] | [INFO] [stdout] 419 | let mut interfaceEntry = iface.unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/cpu.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | for chunk in chunks { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + while let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 599 - for chunk in chunks { [INFO] [stdout] 599 + if let Some(chunk) = chunks { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "76e44cd0860cb64fc3aaedb9930fdfc6b59511148bdb6718b5608dc37eb386e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76e44cd0860cb64fc3aaedb9930fdfc6b59511148bdb6718b5608dc37eb386e6", kill_on_drop: false }` [INFO] [stdout] 76e44cd0860cb64fc3aaedb9930fdfc6b59511148bdb6718b5608dc37eb386e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1daf552981678c13469930ab5254468abdd125a7023f1b44aeeb1f3dc67e41bd [INFO] running `Command { std: "docker" "start" "-a" "1daf552981678c13469930ab5254468abdd125a7023f1b44aeeb1f3dc67e41bd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `savedSize` [INFO] [stderr] --> src/cpu.rs:576:26 [INFO] [stderr] | [INFO] [stderr] 576 | let (savedSize, savedShared) = savedLevel; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_savedSize` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:419:21 [INFO] [stderr] | [INFO] [stderr] 419 | let mut interfaceEntry = iface.unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/cpu.rs:599:22 [INFO] [stderr] | [INFO] [stderr] 599 | for chunk in chunks { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 599 - for chunk in chunks { [INFO] [stderr] 599 + while let Some(chunk) = chunks { [INFO] [stderr] | [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 599 - for chunk in chunks { [INFO] [stderr] 599 + if let Some(chunk) = chunks { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `sysutil` (lib) generated 3 warnings (run `cargo fix --lib -p sysutil` to apply 2 suggestions) [INFO] [stderr] warning: `sysutil` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sysutil-7efff6d2ea10c64d) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stderr] Doc-tests sysutil [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/storage.rs - storage::ByteSize (line 18) ... FAILED [INFO] [stdout] test src/cpu.rs - cpu::Frequency (line 102) ... ok [INFO] [stdout] test src/lib.rs - (line 15) ... ok [INFO] [stdout] test src/cpu.rs - cpu::CPU (line 60) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/storage.rs - storage::ByteSize (line 18) stdout ---- [INFO] [stdout] error: expected item, found keyword `let` [INFO] [stdout] --> src/storage.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | let byteSize = /* some sysutil function returning ByteSize */; [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | `let` cannot be used for global variables [INFO] [stdout] | help: consider using `static` or `const` instead of `let` [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/storage.rs - storage::ByteSize (line 18) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "1daf552981678c13469930ab5254468abdd125a7023f1b44aeeb1f3dc67e41bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1daf552981678c13469930ab5254468abdd125a7023f1b44aeeb1f3dc67e41bd", kill_on_drop: false }` [INFO] [stdout] 1daf552981678c13469930ab5254468abdd125a7023f1b44aeeb1f3dc67e41bd