[INFO] fetching crate ark-serialize 0.2.0...
[INFO] testing ark-serialize-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate ark-serialize 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ark-serialize 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-serialize 0.2.0
[INFO] finished tweaking crates.io crate ark-serialize 0.2.0
[INFO] tweaked toml for crates.io crate ark-serialize 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc0b1483bd8f7149b2106e6eb9cfac9c1e653af1c83eb207ff06dc873a8771b8
[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" "fc0b1483bd8f7149b2106e6eb9cfac9c1e653af1c83eb207ff06dc873a8771b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0b1483bd8f7149b2106e6eb9cfac9c1e653af1c83eb207ff06dc873a8771b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0b1483bd8f7149b2106e6eb9cfac9c1e653af1c83eb207ff06dc873a8771b8", kill_on_drop: false }`
[INFO] [stdout] fc0b1483bd8f7149b2106e6eb9cfac9c1e653af1c83eb207ff06dc873a8771b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161a113434efda71cf3ca942b39dc25ba69902a33eec28e53b6119b21e1f995d
[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" "161a113434efda71cf3ca942b39dc25ba69902a33eec28e53b6119b21e1f995d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "161a113434efda71cf3ca942b39dc25ba69902a33eec28e53b6119b21e1f995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161a113434efda71cf3ca942b39dc25ba69902a33eec28e53b6119b21e1f995d", kill_on_drop: false }`
[INFO] [stdout] 161a113434efda71cf3ca942b39dc25ba69902a33eec28e53b6119b21e1f995d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25d8229607d40df9ad258ed5b199696bcb92d20eec89620c6036854873f520a7
[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" "25d8229607d40df9ad258ed5b199696bcb92d20eec89620c6036854873f520a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "25d8229607d40df9ad258ed5b199696bcb92d20eec89620c6036854873f520a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d8229607d40df9ad258ed5b199696bcb92d20eec89620c6036854873f520a7", kill_on_drop: false }`
[INFO] [stdout] 25d8229607d40df9ad258ed5b199696bcb92d20eec89620c6036854873f520a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 177d2f703368a90a2c4ea4faae0faafcdc59c520ad9a5d26ce58c16291723ad3
[INFO] running `Command { std: "docker" "start" "-a" "177d2f703368a90a2c4ea4faae0faafcdc59c520ad9a5d26ce58c16291723ad3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_serialize-7c546a36f1270760)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_option ... ok
[INFO] [stdout] test test::test_btreemap ... ok
[INFO] [stdout] test test::test_uint ... ok
[INFO] [stdout] test test::test_phantomdata ... ok
[INFO] [stdout] test test::test_btreeset ... ok
[INFO] [stdout] test test::test_vec ... ok
[INFO] [stdout] test test::test_tuple_vec ... ok
[INFO] [stdout] test test::test_rc ... ok
[INFO] [stdout] test test::test_string ... ok
[INFO] [stdout] test test::test_tuple ... ok
[INFO] [stdout] test test::test_bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ark-serialize
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CanonicalDeserialize (line 111) ... ok
[INFO] [stdout] test src/lib.rs - CanonicalSerialize (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "177d2f703368a90a2c4ea4faae0faafcdc59c520ad9a5d26ce58c16291723ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177d2f703368a90a2c4ea4faae0faafcdc59c520ad9a5d26ce58c16291723ad3", kill_on_drop: false }`
[INFO] [stdout] 177d2f703368a90a2c4ea4faae0faafcdc59c520ad9a5d26ce58c16291723ad3