[INFO] fetching crate ipld 0.0.2...
[INFO] testing ipld-0.0.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ipld 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ipld 0.0.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded multihash v0.10.1
[INFO] [stderr]   Downloaded multibase v0.7.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded multihash v0.9.4
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded cid v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 641d07b0a46c9c6a4b06fc111ed41ece39489599fcf679a8e3f04fd51bce0338
[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" "641d07b0a46c9c6a4b06fc111ed41ece39489599fcf679a8e3f04fd51bce0338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641d07b0a46c9c6a4b06fc111ed41ece39489599fcf679a8e3f04fd51bce0338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641d07b0a46c9c6a4b06fc111ed41ece39489599fcf679a8e3f04fd51bce0338", kill_on_drop: false }`
[INFO] [stdout] 641d07b0a46c9c6a4b06fc111ed41ece39489599fcf679a8e3f04fd51bce0338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d880121e62f12592afe50f1e68a9b50619dfe41edbc4ac025526e4192b1d38c5
[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" "d880121e62f12592afe50f1e68a9b50619dfe41edbc4ac025526e4192b1d38c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[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 sha3 v0.8.2
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 failure v0.1.8
[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 15.52s
[INFO] running `Command { std: "docker" "inspect" "d880121e62f12592afe50f1e68a9b50619dfe41edbc4ac025526e4192b1d38c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d880121e62f12592afe50f1e68a9b50619dfe41edbc4ac025526e4192b1d38c5", kill_on_drop: false }`
[INFO] [stdout] d880121e62f12592afe50f1e68a9b50619dfe41edbc4ac025526e4192b1d38c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a28438752535614495504d7dce74f933dbf23c7d01823797e7d4711922ad274
[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" "9a28438752535614495504d7dce74f933dbf23c7d01823797e7d4711922ad274", 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 1.62s
[INFO] running `Command { std: "docker" "inspect" "9a28438752535614495504d7dce74f933dbf23c7d01823797e7d4711922ad274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a28438752535614495504d7dce74f933dbf23c7d01823797e7d4711922ad274", kill_on_drop: false }`
[INFO] [stdout] 9a28438752535614495504d7dce74f933dbf23c7d01823797e7d4711922ad274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1ad576164aecc2a15624f623de726a73657c0417036972be4539b35a7c3d7d4
[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" "e1ad576164aecc2a15624f623de726a73657c0417036972be4539b35a7c3d7d4", 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 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipld-3e46f63e004ce2cf
[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" "e1ad576164aecc2a15624f623de726a73657c0417036972be4539b35a7c3d7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ad576164aecc2a15624f623de726a73657c0417036972be4539b35a7c3d7d4", kill_on_drop: false }`
[INFO] [stdout] e1ad576164aecc2a15624f623de726a73657c0417036972be4539b35a7c3d7d4
