[INFO] fetching crate forest_cid 0.2.0...
[INFO] checking forest_cid-0.2.0 against beta for pr-78714
[INFO] extracting crate forest_cid 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate forest_cid 0.2.0 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 forest_cid 0.2.0
[INFO] finished tweaking crates.io crate forest_cid 0.2.0
[INFO] tweaked toml for crates.io crate forest_cid 0.2.0 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] 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] 268c6b72f5e6e6d5e85092ebaffc5be18dc0429efce790403da8b4cc0a4119c1
[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" "268c6b72f5e6e6d5e85092ebaffc5be18dc0429efce790403da8b4cc0a4119c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268c6b72f5e6e6d5e85092ebaffc5be18dc0429efce790403da8b4cc0a4119c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268c6b72f5e6e6d5e85092ebaffc5be18dc0429efce790403da8b4cc0a4119c1", kill_on_drop: false }`
[INFO] [stdout] 268c6b72f5e6e6d5e85092ebaffc5be18dc0429efce790403da8b4cc0a4119c1
[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] 3aefd1d62380dd7607eca2854094b28ccb4dc3b4e611cecf610af380ff2ce25c
[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" "3aefd1d62380dd7607eca2854094b28ccb4dc3b4e611cecf610af380ff2ce25c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking integer-encoding v2.1.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling multihash-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking data-encoding-macro v0.1.10
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking multihash v0.13.0
[INFO] [stderr]     Checking forest_cid v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.31s
[INFO] running `Command { std: "docker" "inspect" "3aefd1d62380dd7607eca2854094b28ccb4dc3b4e611cecf610af380ff2ce25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aefd1d62380dd7607eca2854094b28ccb4dc3b4e611cecf610af380ff2ce25c", kill_on_drop: false }`
[INFO] [stdout] 3aefd1d62380dd7607eca2854094b28ccb4dc3b4e611cecf610af380ff2ce25c