[INFO] fetching crate sysutil 0.7.1...
[INFO] testing sysutil-0.7.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate sysutil 0.7.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sysutil 0.7.1
[INFO] finished tweaking crates.io crate sysutil 0.7.1
[INFO] tweaked toml for crates.io crate sysutil 0.7.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sysutil 0.7.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding rsjson v0.5.1 (available: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c4305a4cb879db0b0831d7a101663029523f0a34926de65b0741371521b33d
[INFO] running `Command { std: "docker" "start" "-a" "e4c4305a4cb879db0b0831d7a101663029523f0a34926de65b0741371521b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c4305a4cb879db0b0831d7a101663029523f0a34926de65b0741371521b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c4305a4cb879db0b0831d7a101663029523f0a34926de65b0741371521b33d", kill_on_drop: false }`
[INFO] [stdout] e4c4305a4cb879db0b0831d7a101663029523f0a34926de65b0741371521b33d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e870d1f050332e689c29b16e4e04fe263b9ab2c77f61a11fe9d7e7a815d3fffa
[INFO] running `Command { std: "docker" "start" "-a" "e870d1f050332e689c29b16e4e04fe263b9ab2c77f61a11fe9d7e7a815d3fffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsjson v0.5.1
[INFO] [stderr]    Compiling sysutil v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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:588:22
[INFO] [stdout]     |
[INFO] [stdout] 588 |         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] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         while let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         if let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "e870d1f050332e689c29b16e4e04fe263b9ab2c77f61a11fe9d7e7a815d3fffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e870d1f050332e689c29b16e4e04fe263b9ab2c77f61a11fe9d7e7a815d3fffa", kill_on_drop: false }`
[INFO] [stdout] e870d1f050332e689c29b16e4e04fe263b9ab2c77f61a11fe9d7e7a815d3fffa
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9883aab1841c4fdcbc00bfd61ce5cb7cda2af868337e482565447a24609d396e
[INFO] running `Command { std: "docker" "start" "-a" "9883aab1841c4fdcbc00bfd61ce5cb7cda2af868337e482565447a24609d396e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysutil v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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:588:22
[INFO] [stdout]     |
[INFO] [stdout] 588 |         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] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         while let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         if let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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:588:22
[INFO] [stdout]     |
[INFO] [stdout] 588 |         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] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         while let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 588 -         for chunk in chunks {
[INFO] [stdout] 588 +         if let Some(chunk) = chunks {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "9883aab1841c4fdcbc00bfd61ce5cb7cda2af868337e482565447a24609d396e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9883aab1841c4fdcbc00bfd61ce5cb7cda2af868337e482565447a24609d396e", kill_on_drop: false }`
[INFO] [stdout] 9883aab1841c4fdcbc00bfd61ce5cb7cda2af868337e482565447a24609d396e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b4beddc39573bfb2f8da2b5429958e9619f53c70d7b236148c8525fd36d721f
[INFO] running `Command { std: "docker" "start" "-a" "8b4beddc39573bfb2f8da2b5429958e9619f53c70d7b236148c8525fd36d721f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stdout] 
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr] 7 | use regex::Regex;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (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:588:22
[INFO] [stderr]     |
[INFO] [stderr] 588 |         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] 588 -         for chunk in chunks {
[INFO] [stderr] 588 +         while let Some(chunk) = chunks {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 588 -         for chunk in chunks {
[INFO] [stderr] 588 +         if let Some(chunk) = chunks {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `sysutil` (lib) generated 2 warnings (run `cargo fix --lib -p sysutil` to apply 1 suggestion)
[INFO] [stderr] warning: `sysutil` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sysutil-d312d8880417fd70)
[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::CPU (line 61) ... FAILED
[INFO] [stdout] test src/cpu.rs - cpu::Frequency (line 103) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 15) ... 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] 1 | 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 <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/cpu.rs - cpu::CPU (line 61) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `CPU` in `sysutil`
[INFO] [stdout]  --> src/cpu.rs:65:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | let mut cpu = sysutil::CPU::new();
[INFO] [stdout]   |                        ^^^ could not find `CPU` in `sysutil`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use sysutil::cpu::CPU;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `CPU`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 7 - let mut cpu = sysutil::CPU::new();
[INFO] [stdout] 7 + let mut cpu = CPU::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/cpu.rs - cpu::Frequency (line 103) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `sysutil::cpuFrequency`
[INFO] [stdout]  --> src/cpu.rs:105:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sysutil::cpuFrequency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `cpuFrequency` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/cpu.rs - cpu::CPU (line 61)
[INFO] [stdout]     src/cpu.rs - cpu::Frequency (line 103)
[INFO] [stdout]     src/storage.rs - storage::ByteSize (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8b4beddc39573bfb2f8da2b5429958e9619f53c70d7b236148c8525fd36d721f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4beddc39573bfb2f8da2b5429958e9619f53c70d7b236148c8525fd36d721f", kill_on_drop: false }`
[INFO] [stdout] 8b4beddc39573bfb2f8da2b5429958e9619f53c70d7b236148c8525fd36d721f