[INFO] fetching crate sys-info 0.9.1...
[INFO] testing sys-info-0.9.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[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 a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5bc3ee97be481eed6ac0eeb97a8a2091f344a43beb7fe5ba29be16de16146b
[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" "da5bc3ee97be481eed6ac0eeb97a8a2091f344a43beb7fe5ba29be16de16146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5bc3ee97be481eed6ac0eeb97a8a2091f344a43beb7fe5ba29be16de16146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5bc3ee97be481eed6ac0eeb97a8a2091f344a43beb7fe5ba29be16de16146b", kill_on_drop: false }`
[INFO] [stdout] da5bc3ee97be481eed6ac0eeb97a8a2091f344a43beb7fe5ba29be16de16146b
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c775302535b68f00c7b4d08ce0b41d89e14883b1df717cce1fc553950b37c141
[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" "c775302535b68f00c7b4d08ce0b41d89e14883b1df717cce1fc553950b37c141", kill_on_drop: false }`
[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 1.97s
[INFO] running `Command { std: "docker" "inspect" "c775302535b68f00c7b4d08ce0b41d89e14883b1df717cce1fc553950b37c141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c775302535b68f00c7b4d08ce0b41d89e14883b1df717cce1fc553950b37c141", kill_on_drop: false }`
[INFO] [stdout] c775302535b68f00c7b4d08ce0b41d89e14883b1df717cce1fc553950b37c141
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c664da3c1202e49c285d0ce74476e2c67209602ca74275267fe03bab94053d3
[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" "1c664da3c1202e49c285d0ce74476e2c67209602ca74275267fe03bab94053d3", kill_on_drop: false }`
[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 1.48s
[INFO] running `Command { std: "docker" "inspect" "1c664da3c1202e49c285d0ce74476e2c67209602ca74275267fe03bab94053d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c664da3c1202e49c285d0ce74476e2c67209602ca74275267fe03bab94053d3", kill_on_drop: false }`
[INFO] [stdout] 1c664da3c1202e49c285d0ce74476e2c67209602ca74275267fe03bab94053d3
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32df7a88da38043d313142249a9b2ff19f08dad8c787cfd72330ccdce8e75a3d
[INFO] running `Command { std: "docker" "start" "-a" "32df7a88da38043d313142249a9b2ff19f08dad8c787cfd72330ccdce8e75a3d", 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sys_info-c2711a68db67c816)
[INFO] [stderr]    Doc-tests sys_info
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_boottime ... ok
[INFO] [stdout] test test::test_linux_os_release ... ok
[INFO] [stdout] test test::test_mem_info ... ok
[INFO] [stdout] test test::test_hostname ... ok
[INFO] [stdout] test test::test_os_release ... ok
[INFO] [stdout] test test::test_os_type ... ok
[INFO] [stdout] test test::test_proc_total ... ok
[INFO] [stdout] test test::test_disk_info ... ok
[INFO] [stdout] test test::test_cpu_speed ... ok
[INFO] [stdout] test test::test_cpu_num ... ok
[INFO] [stdout] test test::test_loadavg ... 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] [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" "32df7a88da38043d313142249a9b2ff19f08dad8c787cfd72330ccdce8e75a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32df7a88da38043d313142249a9b2ff19f08dad8c787cfd72330ccdce8e75a3d", kill_on_drop: false }`
[INFO] [stdout] 32df7a88da38043d313142249a9b2ff19f08dad8c787cfd72330ccdce8e75a3d