[INFO] cloning repository https://github.com/pacman82/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/pacman82/rustfest-2018-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Frustfest-2018-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Frustfest-2018-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3785de941a51a9e313f1919da1693f98fa84748c
[INFO] checking pacman82/rustfest-2018-workshop against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Frustfest-2018-workshop" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pacman82/rustfest-2018-workshop on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pacman82/rustfest-2018-workshop
[INFO] finished tweaking git repo https://github.com/pacman82/rustfest-2018-workshop
[INFO] tweaked toml for git repo https://github.com/pacman82/rustfest-2018-workshop written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pacman82/rustfest-2018-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 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]  Downloading crates ...
[INFO] [stderr]   Downloaded multibase v0.6.0
[INFO] [stderr]   Downloaded protobuf v2.0.0
[INFO] [stderr]   Downloaded bs58 v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded smallvec v0.5.0
[INFO] [stderr]   Downloaded cid v0.2.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.19
[INFO] [stderr]   Downloaded websocket v0.20.2
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.1.1
[INFO] [stderr]   Downloaded integer-encoding v1.0.5
[INFO] [stderr]   Downloaded tokio-stdin v0.1.1
[INFO] [stderr]   Downloaded multiaddr v0.3.0
[INFO] [stderr]   Downloaded bigint v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0617c8cf47ac2b2d970cc4d1933ba7d7bca6a2ac3c9e27e889ea2e2aa151d127
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0617c8cf47ac2b2d970cc4d1933ba7d7bca6a2ac3c9e27e889ea2e2aa151d127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0617c8cf47ac2b2d970cc4d1933ba7d7bca6a2ac3c9e27e889ea2e2aa151d127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0617c8cf47ac2b2d970cc4d1933ba7d7bca6a2ac3c9e27e889ea2e2aa151d127", kill_on_drop: false }`
[INFO] [stdout] 0617c8cf47ac2b2d970cc4d1933ba7d7bca6a2ac3c9e27e889ea2e2aa151d127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0677ca8fb5d1364e07f407765b86e099750602327e041a722fc3c6bd525f7c61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0677ca8fb5d1364e07f407765b86e099750602327e041a722fc3c6bd525f7c61", 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" "0677ca8fb5d1364e07f407765b86e099750602327e041a722fc3c6bd525f7c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0677ca8fb5d1364e07f407765b86e099750602327e041a722fc3c6bd525f7c61", kill_on_drop: false }`
[INFO] [stdout] 0677ca8fb5d1364e07f407765b86e099750602327e041a722fc3c6bd525f7c61