[INFO] cloning repository https://github.com/mkmik/tokio-cpu-bound-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkmik/tokio-cpu-bound-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Ftokio-cpu-bound-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Ftokio-cpu-bound-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 867df2c8bc14a8bda8c00333a3851f57d36c5035
[INFO] checking mkmik/tokio-cpu-bound-example against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Ftokio-cpu-bound-example" "/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
[INFO] started tweaking git repo https://github.com/mkmik/tokio-cpu-bound-example
[INFO] finished tweaking git repo https://github.com/mkmik/tokio-cpu-bound-example
[INFO] tweaked toml for git repo https://github.com/mkmik/tokio-cpu-bound-example written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkmik/tokio-cpu-bound-example on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkmik/tokio-cpu-bound-example 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "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 mkmik/tokio-cpu-bound-example against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Ftokio-cpu-bound-example" "/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
[INFO] started tweaking git repo https://github.com/mkmik/tokio-cpu-bound-example
[INFO] finished tweaking git repo https://github.com/mkmik/tokio-cpu-bound-example
[INFO] tweaked toml for git repo https://github.com/mkmik/tokio-cpu-bound-example written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkmik/tokio-cpu-bound-example on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkmik/tokio-cpu-bound-example 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "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 futures-task v0.3.12
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded mio v0.7.9
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded tokio v1.8.4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb0b9129ab2c66c89577c1e875e3607ff9a1d90bff591d7e514b70515bf2cee
[INFO] running `Command { std: "docker" "start" "-a" "0eb0b9129ab2c66c89577c1e875e3607ff9a1d90bff591d7e514b70515bf2cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb0b9129ab2c66c89577c1e875e3607ff9a1d90bff591d7e514b70515bf2cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb0b9129ab2c66c89577c1e875e3607ff9a1d90bff591d7e514b70515bf2cee", kill_on_drop: false }`
[INFO] [stdout] 0eb0b9129ab2c66c89577c1e875e3607ff9a1d90bff591d7e514b70515bf2cee
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00374061a47dff6ac9e2486f58175770cb19b5131cb9c6d4e7e879a21ff2aee
[INFO] running `Command { std: "docker" "start" "-a" "f00374061a47dff6ac9e2486f58175770cb19b5131cb9c6d4e7e879a21ff2aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tokio v1.8.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[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]     Checking tok1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `Command { std: "docker" "inspect" "f00374061a47dff6ac9e2486f58175770cb19b5131cb9c6d4e7e879a21ff2aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00374061a47dff6ac9e2486f58175770cb19b5131cb9c6d4e7e879a21ff2aee", kill_on_drop: false }`
[INFO] [stdout] f00374061a47dff6ac9e2486f58175770cb19b5131cb9c6d4e7e879a21ff2aee