[INFO] cloning repository https://github.com/tomaka/rustfest-2018-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomaka/rustfest-2018-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1698a6c513f9f14916ce2484d000b25f9ed520c6
[INFO] checking tomaka/rustfest-2018-workshop against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop" "/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/tomaka/rustfest-2018-workshop on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] finished tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] tweaked toml for git repo https://github.com/tomaka/rustfest-2018-workshop written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tomaka/rustfest-2018-workshop 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/rust-multihash`
[INFO] [stderr]     Updating git repository `https://github.com/libp2p/rust-libp2p`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/futures-mutex`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/aio-limited.git`
[INFO] [stderr]     Updating git repository `https://github.com/redox-os/tfs`
[INFO] [stderr]     Updating git repository `https://github.com/Vurich/rust-smallvec.git`
[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 tomaka/rustfest-2018-workshop against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop" "/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/tomaka/rustfest-2018-workshop on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] finished tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] tweaked toml for git repo https://github.com/tomaka/rustfest-2018-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomaka/rustfest-2018-workshop 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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 tomaka/rustfest-2018-workshop against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop" "/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/tomaka/rustfest-2018-workshop on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] finished tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] tweaked toml for git repo https://github.com/tomaka/rustfest-2018-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomaka/rustfest-2018-workshop 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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 tomaka/rustfest-2018-workshop against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomaka%2Frustfest-2018-workshop" "/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/tomaka/rustfest-2018-workshop on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] finished tweaking git repo https://github.com/tomaka/rustfest-2018-workshop
[INFO] tweaked toml for git repo https://github.com/tomaka/rustfest-2018-workshop written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomaka/rustfest-2018-workshop 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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 tokio-timer v0.2.3
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded tokio-reactor v0.1.1
[INFO] [stderr]   Downloaded tokio-io v0.1.6
[INFO] [stderr]   Downloaded tokio-stdin v0.1.1
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded tokio-fs v0.1.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded cid v0.2.3
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded smallvec v0.6.1
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.1.1
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded protobuf v2.0.0
[INFO] [stderr]   Downloaded syn v0.14.0
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded backtrace-sys v0.1.19
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded libc v0.2.41
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.59
[INFO] [stderr]   Downloaded proc-macro2 v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.59
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.3
[INFO] [stderr]   Downloaded tokio v0.1.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.31
[INFO] [stderr]   Downloaded schannel v0.1.12
[INFO] [stderr]   Downloaded websocket v0.20.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded bigint v4.3.0
[INFO] [stderr]   Downloaded quote v0.6.2
[INFO] [stderr]   Downloaded bs58 v0.2.0
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded smallvec v0.5.0
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.38
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded tokio-udp v0.1.0
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded multiaddr v0.3.0
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded integer-encoding v1.0.5
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded vcpkg v0.2.3
[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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccd22135f378597b5a2d16f7af3a9958083c40615068b7176026b5b273d4d02c
[INFO] running `Command { std: "docker" "start" "-a" "ccd22135f378597b5a2d16f7af3a9958083c40615068b7176026b5b273d4d02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd22135f378597b5a2d16f7af3a9958083c40615068b7176026b5b273d4d02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd22135f378597b5a2d16f7af3a9958083c40615068b7176026b5b273d4d02c", kill_on_drop: false }`
[INFO] [stdout] ccd22135f378597b5a2d16f7af3a9958083c40615068b7176026b5b273d4d02c
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 797f255c0f1bdbd8f060cf5206efb0b515ea321f24c0acd6c4e5dad66d61c813
[INFO] running `Command { std: "docker" "start" "-a" "797f255c0f1bdbd8f060cf5206efb0b515ea321f24c0acd6c4e5dad66d61c813", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "797f255c0f1bdbd8f060cf5206efb0b515ea321f24c0acd6c4e5dad66d61c813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797f255c0f1bdbd8f060cf5206efb0b515ea321f24c0acd6c4e5dad66d61c813", kill_on_drop: false }`
[INFO] [stdout] 797f255c0f1bdbd8f060cf5206efb0b515ea321f24c0acd6c4e5dad66d61c813