[INFO] fetching crate ipld 0.0.2...
[INFO] testing ipld-0.0.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ipld 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ipld 0.0.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipld 0.0.2
[INFO] finished tweaking crates.io crate ipld 0.0.2
[INFO] tweaked toml for crates.io crate ipld 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51eec61f18a730d57bccd9978a039ea1578bb924cd1057312b4a600d2d1ed9de
[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" "51eec61f18a730d57bccd9978a039ea1578bb924cd1057312b4a600d2d1ed9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51eec61f18a730d57bccd9978a039ea1578bb924cd1057312b4a600d2d1ed9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eec61f18a730d57bccd9978a039ea1578bb924cd1057312b4a600d2d1ed9de", kill_on_drop: false }`
[INFO] [stdout] 51eec61f18a730d57bccd9978a039ea1578bb924cd1057312b4a600d2d1ed9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7dca1a4b00f8e58c01ae2fcf7cf03d7f4ef0764485e5dca519c748613104def
[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" "a7dca1a4b00f8e58c01ae2fcf7cf03d7f4ef0764485e5dca519c748613104def", kill_on_drop: false }`
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling multibase v0.7.0
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling multihash v0.9.4
[INFO] [stderr]    Compiling data-encoding-macro v0.1.8
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling cid v0.3.2
[INFO] [stderr]    Compiling ipld v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dag`
[INFO] [stdout]   --> src/codec.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/codec.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/codec.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "a7dca1a4b00f8e58c01ae2fcf7cf03d7f4ef0764485e5dca519c748613104def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7dca1a4b00f8e58c01ae2fcf7cf03d7f4ef0764485e5dca519c748613104def", kill_on_drop: false }`
[INFO] [stdout] a7dca1a4b00f8e58c01ae2fcf7cf03d7f4ef0764485e5dca519c748613104def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c263da0fbee9f57e3c87b4993cbf46c90bc08df105a2e76bb94cc2df9ef4bd
[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" "93c263da0fbee9f57e3c87b4993cbf46c90bc08df105a2e76bb94cc2df9ef4bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipld v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dag`
[INFO] [stdout]   --> src/codec.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/codec.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/codec.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dag`
[INFO] [stdout]   --> src/codec.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/codec.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/codec.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "93c263da0fbee9f57e3c87b4993cbf46c90bc08df105a2e76bb94cc2df9ef4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c263da0fbee9f57e3c87b4993cbf46c90bc08df105a2e76bb94cc2df9ef4bd", kill_on_drop: false }`
[INFO] [stdout] 93c263da0fbee9f57e3c87b4993cbf46c90bc08df105a2e76bb94cc2df9ef4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccf17155ff36fa312d2b50ad9e35044f8752568b3857378b4b076818902b1de8
[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" "ccf17155ff36fa312d2b50ad9e35044f8752568b3857378b4b076818902b1de8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dag`
[INFO] [stderr]   --> src/codec.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writer`
[INFO] [stderr]   --> src/codec.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/codec.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stderr]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dag`
[INFO] [stderr]   --> src/codec.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writer`
[INFO] [stderr]   --> src/codec.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/codec.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stderr]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipld-e0bdc446753a653b
[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] [stderr]    Doc-tests ipld
[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" "ccf17155ff36fa312d2b50ad9e35044f8752568b3857378b4b076818902b1de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf17155ff36fa312d2b50ad9e35044f8752568b3857378b4b076818902b1de8", kill_on_drop: false }`
[INFO] [stdout] ccf17155ff36fa312d2b50ad9e35044f8752568b3857378b4b076818902b1de8
