[INFO] cloning repository https://github.com/corbamico/tun_libtcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corbamico/tun_libtcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorbamico%2Ftun_libtcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorbamico%2Ftun_libtcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 687e5e286c6089a06ceb8a26b563fd521a596b95
[INFO] checking corbamico/tun_libtcp against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorbamico%2Ftun_libtcp" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corbamico/tun_libtcp on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corbamico/tun_libtcp
[INFO] finished tweaking git repo https://github.com/corbamico/tun_libtcp
[INFO] tweaked toml for git repo https://github.com/corbamico/tun_libtcp written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/corbamico/tun_libtcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3d65a5d438e617569449c8aa5311d1cc06d95f81bfdbee3d7e93c0a19933bc
[INFO] running `Command { std: "docker" "start" "-a" "ce3d65a5d438e617569449c8aa5311d1cc06d95f81bfdbee3d7e93c0a19933bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3d65a5d438e617569449c8aa5311d1cc06d95f81bfdbee3d7e93c0a19933bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3d65a5d438e617569449c8aa5311d1cc06d95f81bfdbee3d7e93c0a19933bc", kill_on_drop: false }`
[INFO] [stdout] ce3d65a5d438e617569449c8aa5311d1cc06d95f81bfdbee3d7e93c0a19933bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23cb2da90242bfd75a56d0a6262300ebdc23de4e4358fc974f35443e926dfde8
[INFO] running `Command { std: "docker" "start" "-a" "23cb2da90242bfd75a56d0a6262300ebdc23de4e4358fc974f35443e926dfde8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking etherparse v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tun v0.4.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking libtcp_step6 v0.1.0 (/opt/rustwide/workdir/step6)
[INFO] [stderr]     Checking libtcp_step2 v0.1.0 (/opt/rustwide/workdir/step2)
[INFO] [stderr]     Checking libtcp_step1 v0.1.0 (/opt/rustwide/workdir/step1)
[INFO] [stderr]     Checking libtcp_step4 v0.1.0 (/opt/rustwide/workdir/step4)
[INFO] [stderr]     Checking libtcp_step3 v0.1.0 (/opt/rustwide/workdir/step3)
[INFO] [stderr]     Checking libtcp_step5 v0.1.0 (/opt/rustwide/workdir/step5)
[INFO] [stderr]     Checking libtcp_step7 v0.1.0 (/opt/rustwide/workdir/step7)
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]   --> step7/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::runtime::Runtime;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> step6/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | static INIT: std::sync::Once = std::sync::ONCE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]   --> step7/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use tokio::runtime::Runtime;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> step6/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | static INIT: std::sync::Once = std::sync::ONCE_INIT;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "23cb2da90242bfd75a56d0a6262300ebdc23de4e4358fc974f35443e926dfde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cb2da90242bfd75a56d0a6262300ebdc23de4e4358fc974f35443e926dfde8", kill_on_drop: false }`
[INFO] [stdout] 23cb2da90242bfd75a56d0a6262300ebdc23de4e4358fc974f35443e926dfde8