[INFO] fetching crate sys-info 0.9.1...
[INFO] testing sys-info-0.9.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate sys-info 0.9.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sys-info 0.9.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sys-info 0.9.1
[INFO] finished tweaking crates.io crate sys-info 0.9.1
[INFO] tweaked toml for crates.io crate sys-info 0.9.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb80f7178ed2d5e02480672880aa26c1b38db356227a922e55dcb8cc12893193
[INFO] running `Command { std: "docker" "start" "-a" "fb80f7178ed2d5e02480672880aa26c1b38db356227a922e55dcb8cc12893193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb80f7178ed2d5e02480672880aa26c1b38db356227a922e55dcb8cc12893193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb80f7178ed2d5e02480672880aa26c1b38db356227a922e55dcb8cc12893193", kill_on_drop: false }`
[INFO] [stdout] fb80f7178ed2d5e02480672880aa26c1b38db356227a922e55dcb8cc12893193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b69033389b56d2c0e8df20676a7887b79967596ce815f02a1f25f25b52212b60
[INFO] running `Command { std: "docker" "start" "-a" "b69033389b56d2c0e8df20676a7887b79967596ce815f02a1f25f25b52212b60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling sys-info v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> lib.rs:857:5
[INFO] [stdout]     |
[INFO] [stdout] 828 |         return Ok(bt);
[INFO] [stdout]     |         ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 857 |     Err(Error::UnsupportedSystem)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> lib.rs:856:12
[INFO] [stdout]     |
[INFO] [stdout] 856 |     #[warn(unreachable_code)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "b69033389b56d2c0e8df20676a7887b79967596ce815f02a1f25f25b52212b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69033389b56d2c0e8df20676a7887b79967596ce815f02a1f25f25b52212b60", kill_on_drop: false }`
[INFO] [stdout] b69033389b56d2c0e8df20676a7887b79967596ce815f02a1f25f25b52212b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ba13399c04f015f30a6d63b6a3fb776cf30286a907f41151635beba1706f48
[INFO] running `Command { std: "docker" "start" "-a" "17ba13399c04f015f30a6d63b6a3fb776cf30286a907f41151635beba1706f48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sys-info v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> lib.rs:857:5
[INFO] [stdout]     |
[INFO] [stdout] 828 |         return Ok(bt);
[INFO] [stdout]     |         ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 857 |     Err(Error::UnsupportedSystem)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> lib.rs:856:12
[INFO] [stdout]     |
[INFO] [stdout] 856 |     #[warn(unreachable_code)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> lib.rs:857:5
[INFO] [stdout]     |
[INFO] [stdout] 828 |         return Ok(bt);
[INFO] [stdout]     |         ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 857 |     Err(Error::UnsupportedSystem)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> lib.rs:856:12
[INFO] [stdout]     |
[INFO] [stdout] 856 |     #[warn(unreachable_code)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "17ba13399c04f015f30a6d63b6a3fb776cf30286a907f41151635beba1706f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ba13399c04f015f30a6d63b6a3fb776cf30286a907f41151635beba1706f48", kill_on_drop: false }`
[INFO] [stdout] 17ba13399c04f015f30a6d63b6a3fb776cf30286a907f41151635beba1706f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d5299f709e27c6b515aefd4147e11ff7f0ea9fea30938d823f5a965b8f0393b
[INFO] running `Command { std: "docker" "start" "-a" "1d5299f709e27c6b515aefd4147e11ff7f0ea9fea30938d823f5a965b8f0393b", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> lib.rs:857:5
[INFO] [stderr]     |
[INFO] [stderr] 828 |         return Ok(bt);
[INFO] [stderr]     |         ------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 857 |     Err(Error::UnsupportedSystem)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> lib.rs:856:12
[INFO] [stderr]     |
[INFO] [stderr] 856 |     #[warn(unreachable_code)]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sys-info` (lib) generated 1 warning
[INFO] [stderr] warning: `sys-info` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sys_info-43ae8beccdd48520)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_boottime ... ok
[INFO] [stdout] test test::test_cpu_num ... ok
[INFO] [stdout] test test::test_disk_info ... ok
[INFO] [stdout] test test::test_loadavg ... ok
[INFO] [stdout] test test::test_hostname ... ok
[INFO] [stdout] test test::test_os_release ... ok
[INFO] [stdout] test test::test_linux_os_release ... ok
[INFO] [stdout] test test::test_mem_info ... ok
[INFO] [stdout] test test::test_cpu_speed ... ok
[INFO] [stdout] test test::test_os_type ... ok
[INFO] [stdout] test test::test_proc_total ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sys_info
[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] running `Command { std: "docker" "inspect" "1d5299f709e27c6b515aefd4147e11ff7f0ea9fea30938d823f5a965b8f0393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5299f709e27c6b515aefd4147e11ff7f0ea9fea30938d823f5a965b8f0393b", kill_on_drop: false }`
[INFO] [stdout] 1d5299f709e27c6b515aefd4147e11ff7f0ea9fea30938d823f5a965b8f0393b