[INFO] fetching crate ela 0.1.0...
[INFO] checking ela-0.1.0 against beta for pr-78714
[INFO] extracting crate ela 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ela 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ela 0.1.0
[INFO] finished tweaking crates.io crate ela 0.1.0
[INFO] tweaked toml for crates.io crate ela 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56101aad3dae1cb3768469ae48a0734c2d3d934a55860c797350494386f71ea1
[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" "56101aad3dae1cb3768469ae48a0734c2d3d934a55860c797350494386f71ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56101aad3dae1cb3768469ae48a0734c2d3d934a55860c797350494386f71ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56101aad3dae1cb3768469ae48a0734c2d3d934a55860c797350494386f71ea1", kill_on_drop: false }`
[INFO] [stdout] 56101aad3dae1cb3768469ae48a0734c2d3d934a55860c797350494386f71ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e72d74ef032642a2df4cf3dafa098f48c1c533ba54c1b205afe9d2cb493eefe
[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" "2e72d74ef032642a2df4cf3dafa098f48c1c533ba54c1b205afe9d2cb493eefe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.9
[INFO] [stderr]     Checking ela v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::Stream`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::stream::Stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.67s
[INFO] running `Command { std: "docker" "inspect" "2e72d74ef032642a2df4cf3dafa098f48c1c533ba54c1b205afe9d2cb493eefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e72d74ef032642a2df4cf3dafa098f48c1c533ba54c1b205afe9d2cb493eefe", kill_on_drop: false }`
[INFO] [stdout] 2e72d74ef032642a2df4cf3dafa098f48c1c533ba54c1b205afe9d2cb493eefe