[INFO] cloning repository https://github.com/cskyz/pproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cskyz/pproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcskyz%2Fpproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcskyz%2Fpproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 672d5c5581d27ea2506946affdaf0c881f52f417
[INFO] building cskyz/pproxy against try#3bbb5242a8064de4ca3af4036745ddf603ddaa85 for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcskyz%2Fpproxy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cskyz/pproxy on toolchain 3bbb5242a8064de4ca3af4036745ddf603ddaa85
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cskyz/pproxy
[INFO] finished tweaking git repo https://github.com/cskyz/pproxy
[INFO] tweaked toml for git repo https://github.com/cskyz/pproxy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cskyz/pproxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 016e00a87009750ec41a0ad918c1c531ee8d8e2179d7b8c8a60a2fadd9bfc96f
[INFO] running `Command { std: "docker" "start" "-a" "016e00a87009750ec41a0ad918c1c531ee8d8e2179d7b8c8a60a2fadd9bfc96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016e00a87009750ec41a0ad918c1c531ee8d8e2179d7b8c8a60a2fadd9bfc96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016e00a87009750ec41a0ad918c1c531ee8d8e2179d7b8c8a60a2fadd9bfc96f", kill_on_drop: false }`
[INFO] [stdout] 016e00a87009750ec41a0ad918c1c531ee8d8e2179d7b8c8a60a2fadd9bfc96f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9855d448eca4d315a123fa88307634ce75b13d05aeec6327369fbc9132786b9
[INFO] running `Command { std: "docker" "start" "-a" "e9855d448eca4d315a123fa88307634ce75b13d05aeec6327369fbc9132786b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling pproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &mut inbound.write(&Bytes::from(buf)).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let _ = &mut inbound.write(&Bytes::from(buf)).await;
[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 19.24s
[INFO] running `Command { std: "docker" "inspect" "e9855d448eca4d315a123fa88307634ce75b13d05aeec6327369fbc9132786b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9855d448eca4d315a123fa88307634ce75b13d05aeec6327369fbc9132786b9", kill_on_drop: false }`
[INFO] [stdout] e9855d448eca4d315a123fa88307634ce75b13d05aeec6327369fbc9132786b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b0614cc7de815fcffbe6bfac23bc18b3a9ba1329e2235bf74aabb3c02eb3bc
[INFO] running `Command { std: "docker" "start" "-a" "f4b0614cc7de815fcffbe6bfac23bc18b3a9ba1329e2235bf74aabb3c02eb3bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f4b0614cc7de815fcffbe6bfac23bc18b3a9ba1329e2235bf74aabb3c02eb3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b0614cc7de815fcffbe6bfac23bc18b3a9ba1329e2235bf74aabb3c02eb3bc", kill_on_drop: false }`
[INFO] [stdout] f4b0614cc7de815fcffbe6bfac23bc18b3a9ba1329e2235bf74aabb3c02eb3bc