[INFO] updating cached repository paul-hammant/merkle-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/paul-hammant/merkle-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/paul-hammant/merkle-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/paul-hammant/merkle-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/paul-hammant/merkle-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/paul-hammant/merkle-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/paul-hammant/merkle-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/paul-hammant/merkle-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 02fe63b8d4224c79266d9bcd0192f9a7a8698e1a [INFO] sha for GitHub repo paul-hammant/merkle-rust: 02fe63b8d4224c79266d9bcd0192f9a7a8698e1a [INFO] validating manifest of paul-hammant/merkle-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of paul-hammant/merkle-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing paul-hammant/merkle-rust [INFO] finished frobbing paul-hammant/merkle-rust [INFO] frobbed toml for paul-hammant/merkle-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/paul-hammant/merkle-rust/Cargo.toml [INFO] started frobbing paul-hammant/merkle-rust [INFO] finished frobbing paul-hammant/merkle-rust [INFO] frobbed toml for paul-hammant/merkle-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/paul-hammant/merkle-rust/Cargo.toml [INFO] crate paul-hammant/merkle-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/paul-hammant/merkle-rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking paul-hammant/merkle-rust against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/paul-hammant/merkle-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5075e4366b50571de3e7c181b2db28ba588c578e2284a5bde89cd521ae4ccc02 [INFO] running `"docker" "start" "-a" "5075e4366b50571de3e7c181b2db28ba588c578e2284a5bde89cd521ae4ccc02"` [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking notify v4.0.10 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking simple_merkle_tree_demo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/server.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/server.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/server.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | Err(why) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `why` [INFO] [stderr] --> src/server.rs:88:21 [INFO] [stderr] | [INFO] [stderr] 88 | Err(why) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_why` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.33s [INFO] running `"docker" "inspect" "5075e4366b50571de3e7c181b2db28ba588c578e2284a5bde89cd521ae4ccc02"` [INFO] running `"docker" "rm" "-f" "5075e4366b50571de3e7c181b2db28ba588c578e2284a5bde89cd521ae4ccc02"` [INFO] [stdout] 5075e4366b50571de3e7c181b2db28ba588c578e2284a5bde89cd521ae4ccc02