[INFO] cloning repository https://github.com/celaus/rust-async-testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaus/rust-async-testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-async-testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-async-testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1721af897de51c44a6397a1f8cee5411088ff4b4
[INFO] checking celaus/rust-async-testing against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-async-testing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/celaus/rust-async-testing
[INFO] finished tweaking git repo https://github.com/celaus/rust-async-testing
[INFO] tweaked toml for git repo https://github.com/celaus/rust-async-testing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/celaus/rust-async-testing on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/celaus/rust-async-testing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking celaus/rust-async-testing against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-async-testing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/celaus/rust-async-testing
[INFO] finished tweaking git repo https://github.com/celaus/rust-async-testing
[INFO] tweaked toml for git repo https://github.com/celaus/rust-async-testing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/celaus/rust-async-testing on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/celaus/rust-async-testing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded pin-project v0.4.16
[INFO] [stderr]   Downloaded pin-project-internal v0.4.16
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded actix-threadpool v0.3.1
[INFO] [stderr]   Downloaded actix-macros v0.1.1
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded actix-rt v1.1.1
[INFO] [stderr]   Downloaded tokio v0.2.20
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f25a7dc37fb87654b61660f4b67a8dee2b5cff94d7ed4e136ab661cf2f3ce6ca
[INFO] running `Command { std: "docker" "start" "-a" "f25a7dc37fb87654b61660f4b67a8dee2b5cff94d7ed4e136ab661cf2f3ce6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f25a7dc37fb87654b61660f4b67a8dee2b5cff94d7ed4e136ab661cf2f3ce6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25a7dc37fb87654b61660f4b67a8dee2b5cff94d7ed4e136ab661cf2f3ce6ca", kill_on_drop: false }`
[INFO] [stdout] f25a7dc37fb87654b61660f4b67a8dee2b5cff94d7ed4e136ab661cf2f3ce6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979bd8b7595dc9c652db1aa203f1356c8dd71851e51a05c7f21fcdb8f770aefd
[INFO] running `Command { std: "docker" "start" "-a" "979bd8b7595dc9c652db1aa203f1356c8dd71851e51a05c7f21fcdb8f770aefd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking async-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "979bd8b7595dc9c652db1aa203f1356c8dd71851e51a05c7f21fcdb8f770aefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979bd8b7595dc9c652db1aa203f1356c8dd71851e51a05c7f21fcdb8f770aefd", kill_on_drop: false }`
[INFO] [stdout] 979bd8b7595dc9c652db1aa203f1356c8dd71851e51a05c7f21fcdb8f770aefd