[INFO] fetching crate system_data 0.1.1...
[INFO] testing system_data-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate system_data 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate system_data 0.1.1
[INFO] finished tweaking crates.io crate system_data 0.1.1
[INFO] tweaked toml for crates.io crate system_data 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate system_data 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate system_data 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34ace7de13af27b31246653bd53919db31e52a9438dfaaf981da8a5b04c8dfe3
[INFO] running `Command { std: "docker" "start" "-a" "34ace7de13af27b31246653bd53919db31e52a9438dfaaf981da8a5b04c8dfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ace7de13af27b31246653bd53919db31e52a9438dfaaf981da8a5b04c8dfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ace7de13af27b31246653bd53919db31e52a9438dfaaf981da8a5b04c8dfe3", kill_on_drop: false }`
[INFO] [stdout] 34ace7de13af27b31246653bd53919db31e52a9438dfaaf981da8a5b04c8dfe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c46192427254508f1e457b221b7828e1a1dbfac9ef3fccfcf49e37ad15085672
[INFO] running `Command { std: "docker" "start" "-a" "c46192427254508f1e457b221b7828e1a1dbfac9ef3fccfcf49e37ad15085672", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_data v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error` and `result`
[INFO] [stdout]  --> src/cpu_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error, result};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/disk_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/sanitize_data.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Output, error};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/sanitize_data.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |   if let Err(error) = result {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/disk_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `result`
[INFO] [stdout]  --> src/cpu_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error, result};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/sanitize_data.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Output, error};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/sanitize_data.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |   if let Err(error) = result {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "c46192427254508f1e457b221b7828e1a1dbfac9ef3fccfcf49e37ad15085672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46192427254508f1e457b221b7828e1a1dbfac9ef3fccfcf49e37ad15085672", kill_on_drop: false }`
[INFO] [stdout] c46192427254508f1e457b221b7828e1a1dbfac9ef3fccfcf49e37ad15085672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238647c8d5f2b38a87833a22968b8bfaf06254415eea846dd966f1251a9b6319
[INFO] running `Command { std: "docker" "start" "-a" "238647c8d5f2b38a87833a22968b8bfaf06254415eea846dd966f1251a9b6319", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_data v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error` and `result`
[INFO] [stdout]  --> src/cpu_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error, result};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/disk_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/sanitize_data.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Output, error};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/sanitize_data.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |   if let Err(error) = result {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `result`
[INFO] [stdout]  --> src/cpu_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error, result};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/disk_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/sanitize_data.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Output, error};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/disk_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `result`
[INFO] [stdout]  --> src/cpu_info.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Command, error, result};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/sanitize_data.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::Output, error};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/sanitize_data.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |   if let Err(error) = result {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/sanitize_data.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |   if let Err(error) = result {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "238647c8d5f2b38a87833a22968b8bfaf06254415eea846dd966f1251a9b6319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238647c8d5f2b38a87833a22968b8bfaf06254415eea846dd966f1251a9b6319", kill_on_drop: false }`
[INFO] [stdout] 238647c8d5f2b38a87833a22968b8bfaf06254415eea846dd966f1251a9b6319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 483abd7bfb20a32833583fc0d1c31f201d496f23be4b52b6ae139fe9b4afd02e
[INFO] running `Command { std: "docker" "start" "-a" "483abd7bfb20a32833583fc0d1c31f201d496f23be4b52b6ae139fe9b4afd02e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error` and `result`
[INFO] [stdout] 
[INFO] [stderr]  --> src/cpu_info.rs:1:29
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | use std::{process::Command, error, result};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/disk_info.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{process::Command, error};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/sanitize_data.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{process::Output, error};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/sanitize_data.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |   if let Err(error) = result {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `system_data` (lib) generated 4 warnings (run `cargo fix --lib -p system_data` to apply 3 suggestions)
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/disk_info.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{process::Command, error};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error` and `result`
[INFO] [stderr]  --> src/cpu_info.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{process::Command, error, result};
[INFO] [stderr]   |                             ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `system_data` (bin "system_data" test) generated 4 warnings (2 duplicates) (run `cargo fix --bin "system_data" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `system_data` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/system_data-cf5af4152ddafa0a)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/system_data-476b170b1b08f257)
[INFO] [stderr]    Doc-tests system_data
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - read_doc (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - read_doc (line 18) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `/`
[INFO] [stdout]  --> src/lib.rs:19:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | src/main.rs
[INFO] [stdout]   |    ^ expected one of `!` or `::`
[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/lib.rs - read_doc (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "483abd7bfb20a32833583fc0d1c31f201d496f23be4b52b6ae139fe9b4afd02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483abd7bfb20a32833583fc0d1c31f201d496f23be4b52b6ae139fe9b4afd02e", kill_on_drop: false }`
[INFO] [stdout] 483abd7bfb20a32833583fc0d1c31f201d496f23be4b52b6ae139fe9b4afd02e