[INFO] fetching crate forest_cid 0.3.0...
[INFO] testing forest_cid-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate forest_cid 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate forest_cid 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forest_cid 0.3.0
[INFO] finished tweaking crates.io crate forest_cid 0.3.0
[INFO] tweaked toml for crates.io crate forest_cid 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51766ef68811bb414f26b31813d91eba6007c1a3270249a99a4d004486f7abfb
[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" "51766ef68811bb414f26b31813d91eba6007c1a3270249a99a4d004486f7abfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51766ef68811bb414f26b31813d91eba6007c1a3270249a99a4d004486f7abfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51766ef68811bb414f26b31813d91eba6007c1a3270249a99a4d004486f7abfb", kill_on_drop: false }`
[INFO] [stdout] 51766ef68811bb414f26b31813d91eba6007c1a3270249a99a4d004486f7abfb
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] a03984dab71082c07b53e5d19f600b1797e9f548287f2baeccbb5bdfce554bdb
[INFO] running `Command { std: "docker" "start" "-a" "a03984dab71082c07b53e5d19f600b1797e9f548287f2baeccbb5bdfce554bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling syn v1.0.57
[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 v0.7.1
[INFO] [stderr]    Compiling data-encoding-macro v0.1.10
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling cid v0.6.0
[INFO] [stderr]    Compiling forest_cid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "a03984dab71082c07b53e5d19f600b1797e9f548287f2baeccbb5bdfce554bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03984dab71082c07b53e5d19f600b1797e9f548287f2baeccbb5bdfce554bdb", kill_on_drop: false }`
[INFO] [stdout] a03984dab71082c07b53e5d19f600b1797e9f548287f2baeccbb5bdfce554bdb
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a343acd96a312f0478a817cd17d6fbd21dff2e74cfb74b9b0a9ae1e58299b7a
[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" "1a343acd96a312f0478a817cd17d6fbd21dff2e74cfb74b9b0a9ae1e58299b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling forest_cid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "1a343acd96a312f0478a817cd17d6fbd21dff2e74cfb74b9b0a9ae1e58299b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a343acd96a312f0478a817cd17d6fbd21dff2e74cfb74b9b0a9ae1e58299b7a", kill_on_drop: false }`
[INFO] [stdout] 1a343acd96a312f0478a817cd17d6fbd21dff2e74cfb74b9b0a9ae1e58299b7a
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 3ee33ec095a2e02b4fd5164a818bf2066969ec2fadd99f72b84d67e83a916afd
[INFO] running `Command { std: "docker" "start" "-a" "3ee33ec095a2e02b4fd5164a818bf2066969ec2fadd99f72b84d67e83a916afd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/forest_cid-bb8c37f5abb0d039
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/base_cid_tests-449233e97e3297b9
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test v0_error ... ok
[INFO] [stdout] test basic_marshalling ... ok
[INFO] [stdout] test test_prefix_retrieval ... ok
[INFO] [stdout] test from_str ... ok
[INFO] [stdout] test prefix_roundtrip ... ok
[INFO] [stdout] test v0_handling ... ok
[INFO] [stdout] test empty_string ... ok
[INFO] [stdout] test from ... ok
[INFO] [stdout] test test_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_tests-033ab2d2840f117a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_tests-c01eccd74cf1e330
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests forest_cid
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ee33ec095a2e02b4fd5164a818bf2066969ec2fadd99f72b84d67e83a916afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee33ec095a2e02b4fd5164a818bf2066969ec2fadd99f72b84d67e83a916afd", kill_on_drop: false }`
[INFO] [stdout] 3ee33ec095a2e02b4fd5164a818bf2066969ec2fadd99f72b84d67e83a916afd