[INFO] cloning repository https://github.com/H1rono/tokio-tutor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H1rono/tokio-tutor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1rono%2Ftokio-tutor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1rono%2Ftokio-tutor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27c23bc4883e46f4767ac734de9c1383ffa790c9
[INFO] checking H1rono/tokio-tutor against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1rono%2Ftokio-tutor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/H1rono/tokio-tutor
[INFO] finished tweaking git repo https://github.com/H1rono/tokio-tutor
[INFO] tweaked toml for git repo https://github.com/H1rono/tokio-tutor written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/H1rono/tokio-tutor on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/H1rono/tokio-tutor 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking H1rono/tokio-tutor against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1rono%2Ftokio-tutor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/H1rono/tokio-tutor
[INFO] finished tweaking git repo https://github.com/H1rono/tokio-tutor
[INFO] tweaked toml for git repo https://github.com/H1rono/tokio-tutor written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/H1rono/tokio-tutor on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/H1rono/tokio-tutor 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5e9d04b56199e52d86f6a3cc6b0452d9e19249e5b1b02ba713b843a8d639b2
[INFO] running `Command { std: "docker" "start" "-a" "ab5e9d04b56199e52d86f6a3cc6b0452d9e19249e5b1b02ba713b843a8d639b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5e9d04b56199e52d86f6a3cc6b0452d9e19249e5b1b02ba713b843a8d639b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5e9d04b56199e52d86f6a3cc6b0452d9e19249e5b1b02ba713b843a8d639b2", kill_on_drop: false }`
[INFO] [stdout] ab5e9d04b56199e52d86f6a3cc6b0452d9e19249e5b1b02ba713b843a8d639b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aab78043274f9bbfa669c2e922f045d8831f913ad9e9fe72e03219a62d10b05
[INFO] running `Command { std: "docker" "start" "-a" "2aab78043274f9bbfa669c2e922f045d8831f913ad9e9fe72e03219a62d10b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking tokio-tutor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.75s
[INFO] running `Command { std: "docker" "inspect" "2aab78043274f9bbfa669c2e922f045d8831f913ad9e9fe72e03219a62d10b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aab78043274f9bbfa669c2e922f045d8831f913ad9e9fe72e03219a62d10b05", kill_on_drop: false }`
[INFO] [stdout] 2aab78043274f9bbfa669c2e922f045d8831f913ad9e9fe72e03219a62d10b05