[INFO] cloning repository https://github.com/yuttie/backgeard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuttie/backgeard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuttie%2Fbackgeard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuttie%2Fbackgeard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cdbd202f4885b68bdf3512cb3db586e173becc0
[INFO] testing yuttie/backgeard against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuttie%2Fbackgeard" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuttie/backgeard 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 git repo https://github.com/yuttie/backgeard
[INFO] finished tweaking git repo https://github.com/yuttie/backgeard
[INFO] tweaked toml for git repo https://github.com/yuttie/backgeard written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yuttie/backgeard already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 333b228c0f7c8bc2355acc139eda94c3ec33afdb54f3981dadea0639d53f290c
[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" "333b228c0f7c8bc2355acc139eda94c3ec33afdb54f3981dadea0639d53f290c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "333b228c0f7c8bc2355acc139eda94c3ec33afdb54f3981dadea0639d53f290c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333b228c0f7c8bc2355acc139eda94c3ec33afdb54f3981dadea0639d53f290c", kill_on_drop: false }`
[INFO] [stdout] 333b228c0f7c8bc2355acc139eda94c3ec33afdb54f3981dadea0639d53f290c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f218303b4faf68469c4a28f37991b56f278fe33f00cbeb1bbdcdb17e7ccb6b5
[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" "0f218303b4faf68469c4a28f37991b56f278fe33f00cbeb1bbdcdb17e7ccb6b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling warp v0.2.3
[INFO] [stderr]    Compiling backgeard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     child: Arc<Mutex<Child>>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "0f218303b4faf68469c4a28f37991b56f278fe33f00cbeb1bbdcdb17e7ccb6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f218303b4faf68469c4a28f37991b56f278fe33f00cbeb1bbdcdb17e7ccb6b5", kill_on_drop: false }`
[INFO] [stdout] 0f218303b4faf68469c4a28f37991b56f278fe33f00cbeb1bbdcdb17e7ccb6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", 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] 12e5265c1d9aa508a80f7c5a1547f1d6a5272f72e487e99b00a2e6bf92c18977
[INFO] running `Command { std: "docker" "start" "-a" "12e5265c1d9aa508a80f7c5a1547f1d6a5272f72e487e99b00a2e6bf92c18977", kill_on_drop: false }`
[INFO] [stderr]    Compiling backgeard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     child: Arc<Mutex<Child>>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12e5265c1d9aa508a80f7c5a1547f1d6a5272f72e487e99b00a2e6bf92c18977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e5265c1d9aa508a80f7c5a1547f1d6a5272f72e487e99b00a2e6bf92c18977", kill_on_drop: false }`
[INFO] [stdout] 12e5265c1d9aa508a80f7c5a1547f1d6a5272f72e487e99b00a2e6bf92c18977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 6379b556049db89cec53f9c0b841167dec9f6fc6732c148ff915622ef6b5c571
[INFO] running `Command { std: "docker" "start" "-a" "6379b556049db89cec53f9c0b841167dec9f6fc6732c148ff915622ef6b5c571", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     child: Arc<Mutex<Child>>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `backgeard` (bin "backgeard" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backgeard-d46a0ff8ef33bb8c)
[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" "6379b556049db89cec53f9c0b841167dec9f6fc6732c148ff915622ef6b5c571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6379b556049db89cec53f9c0b841167dec9f6fc6732c148ff915622ef6b5c571", kill_on_drop: false }`
[INFO] [stdout] 6379b556049db89cec53f9c0b841167dec9f6fc6732c148ff915622ef6b5c571