[INFO] fetching crate juno 0.1.5-beta...
[INFO] checking juno-0.1.5-beta against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate juno 0.1.5-beta into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate juno 0.1.5-beta on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juno 0.1.5-beta
[INFO] finished tweaking crates.io crate juno 0.1.5-beta
[INFO] tweaked toml for crates.io crate juno 0.1.5-beta written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b295a9e300ad5150bada8e9caf04d9fe2f57a56d80f3d5fe1d338af23645f946
[INFO] running `Command { std: "docker" "start" "-a" "b295a9e300ad5150bada8e9caf04d9fe2f57a56d80f3d5fe1d338af23645f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b295a9e300ad5150bada8e9caf04d9fe2f57a56d80f3d5fe1d338af23645f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b295a9e300ad5150bada8e9caf04d9fe2f57a56d80f3d5fe1d338af23645f946", kill_on_drop: false }`
[INFO] [stdout] b295a9e300ad5150bada8e9caf04d9fe2f57a56d80f3d5fe1d338af23645f946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c4e0aceb0825c44a7bffad93472ca095ff867f91fc7434702b1cbd8c7be062
[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" "92c4e0aceb0825c44a7bffad93472ca095ff867f91fc7434702b1cbd8c7be062", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking juno v0.1.5-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.25s
[INFO] running `Command { std: "docker" "inspect" "92c4e0aceb0825c44a7bffad93472ca095ff867f91fc7434702b1cbd8c7be062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c4e0aceb0825c44a7bffad93472ca095ff867f91fc7434702b1cbd8c7be062", kill_on_drop: false }`
[INFO] [stdout] 92c4e0aceb0825c44a7bffad93472ca095ff867f91fc7434702b1cbd8c7be062