[INFO] updating cached repository renlulu/rust-merkledag
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/renlulu/rust-merkledag
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/renlulu/rust-merkledag" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renlulu/rust-merkledag"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renlulu/rust-merkledag'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/renlulu/rust-merkledag" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renlulu/rust-merkledag"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renlulu/rust-merkledag'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12821bcd861bacc72c7ff053067ea3e4eb6a79ad
[INFO] sha for GitHub repo renlulu/rust-merkledag: 12821bcd861bacc72c7ff053067ea3e4eb6a79ad
[INFO] validating manifest of renlulu/rust-merkledag on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of renlulu/rust-merkledag on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing renlulu/rust-merkledag
[INFO] finished frobbing renlulu/rust-merkledag
[INFO] frobbed toml for renlulu/rust-merkledag written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renlulu/rust-merkledag/Cargo.toml
[INFO] started frobbing renlulu/rust-merkledag
[INFO] finished frobbing renlulu/rust-merkledag
[INFO] frobbed toml for renlulu/rust-merkledag written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renlulu/rust-merkledag/Cargo.toml
[INFO] crate renlulu/rust-merkledag already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking renlulu/rust-merkledag against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renlulu/rust-merkledag:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] edb4e3f9f63eaafd5b02c59679188d75f827f8778f2d289eeb1b47d4aff8e18e
[INFO] running `"docker" "start" "-a" "edb4e3f9f63eaafd5b02c59679188d75f827f8778f2d289eeb1b47d4aff8e18e"`
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking base-x v0.2.4
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking multihash v0.8.1-pre (https://github.com/renlulu/rust-multihash#827ede97)
[INFO] [stderr]     Checking cid v0.3.0 (https://github.com/renlulu/rust-cid.git#c335309c)
[INFO] [stderr]     Checking merkledag v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multihash::Hash`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use multihash::Hash;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf::CodedInputStream`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use protobuf::CodedInputStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multihash::Hash`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use multihash::Hash;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `protobuf::CodedInputStream`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use protobuf::CodedInputStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `"docker" "inspect" "edb4e3f9f63eaafd5b02c59679188d75f827f8778f2d289eeb1b47d4aff8e18e"`
[INFO] running `"docker" "rm" "-f" "edb4e3f9f63eaafd5b02c59679188d75f827f8778f2d289eeb1b47d4aff8e18e"`
[INFO] [stdout] edb4e3f9f63eaafd5b02c59679188d75f827f8778f2d289eeb1b47d4aff8e18e