[INFO] fetching crate exo 0.1.2...
[INFO] checking exo-0.1.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate exo 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate exo 0.1.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exo 0.1.2
[INFO] finished tweaking crates.io crate exo 0.1.2
[INFO] tweaked toml for crates.io crate exo 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate exo 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if-watch v0.1.7
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 3e0a4feaa5d96d0a9bc2865ae14ee9c6e9d7ac20f8512c3d48565893c549500d
[INFO] running `Command { std: "docker" "start" "-a" "3e0a4feaa5d96d0a9bc2865ae14ee9c6e9d7ac20f8512c3d48565893c549500d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e0a4feaa5d96d0a9bc2865ae14ee9c6e9d7ac20f8512c3d48565893c549500d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0a4feaa5d96d0a9bc2865ae14ee9c6e9d7ac20f8512c3d48565893c549500d", kill_on_drop: false }`
[INFO] [stdout] 3e0a4feaa5d96d0a9bc2865ae14ee9c6e9d7ac20f8512c3d48565893c549500d
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 074d5ff39e0262421afa6866e9ba3c2db723d51a8931b39d4f4d6b297302603a
[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" "074d5ff39e0262421afa6866e9ba3c2db723d51a8931b39d4f4d6b297302603a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
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[INFO] [stderr]     Checking libp2p-swarm v0.27.0
[INFO] [stderr]     Checking libp2p-dns v0.27.0
[INFO] [stderr]     Checking libp2p-yamux v0.30.0
[INFO] [stderr]     Checking libp2p v0.34.0
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking exocore-transport v0.1.2
[INFO] [stderr]     Checking exocore-discovery v0.1.2
[INFO] [stderr]     Checking exocore-chain v0.1.2
[INFO] [stderr]     Checking exocore-store v0.1.2
[INFO] [stderr]     Checking exo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 09s
[INFO] running `Command { std: "docker" "inspect" "074d5ff39e0262421afa6866e9ba3c2db723d51a8931b39d4f4d6b297302603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074d5ff39e0262421afa6866e9ba3c2db723d51a8931b39d4f4d6b297302603a", kill_on_drop: false }`
[INFO] [stdout] 074d5ff39e0262421afa6866e9ba3c2db723d51a8931b39d4f4d6b297302603a