[INFO] cloning repository https://github.com/mlshohet/gcd_calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlshohet/gcd_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlshohet%2Fgcd_calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlshohet%2Fgcd_calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ace10b5fdf7ad25286cb24a2f5c25a20130a3f0 [INFO] checking mlshohet/gcd_calculator against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlshohet%2Fgcd_calculator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mlshohet/gcd_calculator on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] finished tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] tweaked toml for git repo https://github.com/mlshohet/gcd_calculator written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mlshohet/gcd_calculator 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 mlshohet/gcd_calculator against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlshohet%2Fgcd_calculator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mlshohet/gcd_calculator on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] finished tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] tweaked toml for git repo https://github.com/mlshohet/gcd_calculator written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mlshohet/gcd_calculator 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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 mlshohet/gcd_calculator against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlshohet%2Fgcd_calculator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mlshohet/gcd_calculator on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] finished tweaking git repo https://github.com/mlshohet/gcd_calculator [INFO] tweaked toml for git repo https://github.com/mlshohet/gcd_calculator written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mlshohet/gcd_calculator 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ce08097ed0cb228adb60d4eee51ef467758933c4366d2b19cf298e87c367876 [INFO] running `Command { std: "docker" "start" "-a" "5ce08097ed0cb228adb60d4eee51ef467758933c4366d2b19cf298e87c367876", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ce08097ed0cb228adb60d4eee51ef467758933c4366d2b19cf298e87c367876", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce08097ed0cb228adb60d4eee51ef467758933c4366d2b19cf298e87c367876", kill_on_drop: false }` [INFO] [stdout] 5ce08097ed0cb228adb60d4eee51ef467758933c4366d2b19cf298e87c367876 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Ddereferencing_mut_binding" "-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39e7b895df197f387bcd15c6fe5c1e0dcc156e108224a8f549dc0106236cde95 [INFO] running `Command { std: "docker" "start" "-a" "39e7b895df197f387bcd15c6fe5c1e0dcc156e108224a8f549dc0106236cde95", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking actix-service v0.4.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking actix-server-config v0.1.2 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking actix-codec v0.1.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling const-random-macro v0.1.13 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking actix-utils v0.4.7 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking const-random v0.1.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking ahash v0.2.19 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking tokio-signal v0.2.9 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling actix-web-codegen v0.1.3 [INFO] [stderr] Checking actix-threadpool v0.1.2 [INFO] [stderr] Checking actix-rt v0.2.6 [INFO] [stderr] Checking actix-server v0.6.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking actix-testing v0.1.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking trust-dns-resolver v0.11.1 [INFO] [stderr] Checking actix-connect v0.2.5 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking actix-router v0.1.5 [INFO] [stderr] Checking actix-http v0.2.11 [INFO] [stderr] Checking awc v0.2.8 [INFO] [stderr] Checking actix-web v1.0.9 [INFO] [stderr] Checking actix-gcd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.78s [INFO] running `Command { std: "docker" "inspect" "39e7b895df197f387bcd15c6fe5c1e0dcc156e108224a8f549dc0106236cde95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39e7b895df197f387bcd15c6fe5c1e0dcc156e108224a8f549dc0106236cde95", kill_on_drop: false }` [INFO] [stdout] 39e7b895df197f387bcd15c6fe5c1e0dcc156e108224a8f549dc0106236cde95