[INFO] fetching crate ipld 0.0.2...
[INFO] testing ipld-0.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ipld 0.0.2 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate ipld 0.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multihash v0.10.1
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded cid v0.3.2
[INFO] [stderr]   Downloaded multihash v0.9.4
[INFO] [stderr]   Downloaded multibase v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6342d61d4c7cd6fbbeefcf6642987d97857e048c804304d8064a36f28824fc9b
[INFO] running `Command { std: "docker" "start" "-a" "6342d61d4c7cd6fbbeefcf6642987d97857e048c804304d8064a36f28824fc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6342d61d4c7cd6fbbeefcf6642987d97857e048c804304d8064a36f28824fc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6342d61d4c7cd6fbbeefcf6642987d97857e048c804304d8064a36f28824fc9b", kill_on_drop: false }`
[INFO] [stdout] 6342d61d4c7cd6fbbeefcf6642987d97857e048c804304d8064a36f28824fc9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6008cb8b402aa89d3d1e60bd6d4cd7db82320f65c7eafc8c46f4c5930a35926
[INFO] running `Command { std: "docker" "start" "-a" "c6008cb8b402aa89d3d1e60bd6d4cd7db82320f65c7eafc8c46f4c5930a35926", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling multibase v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling multihash v0.9.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling failure 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 21.93s
[INFO] running `Command { std: "docker" "inspect" "c6008cb8b402aa89d3d1e60bd6d4cd7db82320f65c7eafc8c46f4c5930a35926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6008cb8b402aa89d3d1e60bd6d4cd7db82320f65c7eafc8c46f4c5930a35926", kill_on_drop: false }`
[INFO] [stdout] c6008cb8b402aa89d3d1e60bd6d4cd7db82320f65c7eafc8c46f4c5930a35926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ca3703ceb838d1770681dcc8e1d1f9621d477c87a9678c307ce63880a89daf9
[INFO] running `Command { std: "docker" "start" "-a" "2ca3703ceb838d1770681dcc8e1d1f9621d477c87a9678c307ce63880a89daf9", 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 1.98s
[INFO] running `Command { std: "docker" "inspect" "2ca3703ceb838d1770681dcc8e1d1f9621d477c87a9678c307ce63880a89daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca3703ceb838d1770681dcc8e1d1f9621d477c87a9678c307ce63880a89daf9", kill_on_drop: false }`
[INFO] [stdout] 2ca3703ceb838d1770681dcc8e1d1f9621d477c87a9678c307ce63880a89daf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d108d51fb65e36f5e209031113d3af6a03c6d9d8c41c3fe8b11ae3135662befd
[INFO] running `Command { std: "docker" "start" "-a" "d108d51fb65e36f5e209031113d3af6a03c6d9d8c41c3fe8b11ae3135662befd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipld-338093e4a79c7e76)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipld
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d108d51fb65e36f5e209031113d3af6a03c6d9d8c41c3fe8b11ae3135662befd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d108d51fb65e36f5e209031113d3af6a03c6d9d8c41c3fe8b11ae3135662befd", kill_on_drop: false }`
[INFO] [stdout] d108d51fb65e36f5e209031113d3af6a03c6d9d8c41c3fe8b11ae3135662befd
