[INFO] fetching crate libutp-rs 1.0.0...
[INFO] checking libutp-rs-1.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate libutp-rs 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libutp-rs 1.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libutp-rs 1.0.0
[INFO] finished tweaking crates.io crate libutp-rs 1.0.0
[INFO] tweaked toml for crates.io crate libutp-rs 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libutp-rs 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.7.8
[INFO] [stderr]   Downloaded portpicker v0.1.0
[INFO] [stderr]   Downloaded libutp-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d838f2f695129f3891470be505120031aa143dbc6dd4ac51f2f5b096cea5ce12
[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" "d838f2f695129f3891470be505120031aa143dbc6dd4ac51f2f5b096cea5ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d838f2f695129f3891470be505120031aa143dbc6dd4ac51f2f5b096cea5ce12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d838f2f695129f3891470be505120031aa143dbc6dd4ac51f2f5b096cea5ce12", kill_on_drop: false }`
[INFO] [stdout] d838f2f695129f3891470be505120031aa143dbc6dd4ac51f2f5b096cea5ce12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--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] 98723915de2f40b70bd91c1e340838001641a9285509bff78b32b090868844e1
[INFO] running `Command { std: "docker" "start" "-a" "98723915de2f40b70bd91c1e340838001641a9285509bff78b32b090868844e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking portpicker v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]    Compiling libutp-sys v0.1.4
[INFO] [stderr]     Checking libutp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `libutp`
[INFO] [stdout]    --> src/utp.rs:647:5
[INFO] [stdout]     |
[INFO] [stdout] 647 |     libutp: Arc<Mutex<LibUtp>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `libutp`
[INFO] [stdout]    --> src/utp.rs:647:5
[INFO] [stdout]     |
[INFO] [stdout] 647 |     libutp: Arc<Mutex<LibUtp>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 45.45s
[INFO] running `Command { std: "docker" "inspect" "98723915de2f40b70bd91c1e340838001641a9285509bff78b32b090868844e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98723915de2f40b70bd91c1e340838001641a9285509bff78b32b090868844e1", kill_on_drop: false }`
[INFO] [stdout] 98723915de2f40b70bd91c1e340838001641a9285509bff78b32b090868844e1