[INFO] cloning repository https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benaryorg/rust-studious_octo_computing_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cb55fa1dc96191b2b0ea6e51d02e7f75d290861
[INFO] checking benaryorg/rust-studious_octo_computing_machine against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-studious_octo_computing_machine on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-studious_octo_computing_machine written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-studious_octo_computing_machine 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking benaryorg/rust-studious_octo_computing_machine against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-studious_octo_computing_machine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-studious_octo_computing_machine on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-studious_octo_computing_machine
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-studious_octo_computing_machine written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-studious_octo_computing_machine 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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "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 memchr v0.1.7
[INFO] [stderr]   Downloaded kernel32-sys v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded glob v0.2.10
[INFO] [stderr]   Downloaded log v0.3.4
[INFO] [stderr]   Downloaded time v0.1.34
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded atom v0.3.4
[INFO] [stderr]   Downloaded regex v0.1.46
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded winapi v0.2.5
[INFO] [stderr]   Downloaded flexi_logger v0.3.2
[INFO] [stderr]   Downloaded daemonize v0.1.0
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9489db0ae4b965ac10396ccd860fa912baf7669b740ae2f1ce6f31bbb77880af
[INFO] running `Command { std: "docker" "start" "-a" "9489db0ae4b965ac10396ccd860fa912baf7669b740ae2f1ce6f31bbb77880af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9489db0ae4b965ac10396ccd860fa912baf7669b740ae2f1ce6f31bbb77880af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9489db0ae4b965ac10396ccd860fa912baf7669b740ae2f1ce6f31bbb77880af", kill_on_drop: false }`
[INFO] [stdout] 9489db0ae4b965ac10396ccd860fa912baf7669b740ae2f1ce6f31bbb77880af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996444f659145814d22a9ec1c6772cc55b25e3574883569b5a1b1938344111cd
[INFO] running `Command { std: "docker" "start" "-a" "996444f659145814d22a9ec1c6772cc55b25e3574883569b5a1b1938344111cd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking glob v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking log v0.3.4
[INFO] [stderr]     Checking daemonize v0.1.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking regex v0.1.46
[INFO] [stderr]     Checking flexi_logger v0.3.2
[INFO] [stderr]     Checking unixsock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: daemonize v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "996444f659145814d22a9ec1c6772cc55b25e3574883569b5a1b1938344111cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996444f659145814d22a9ec1c6772cc55b25e3574883569b5a1b1938344111cd", kill_on_drop: false }`
[INFO] [stdout] 996444f659145814d22a9ec1c6772cc55b25e3574883569b5a1b1938344111cd