[INFO] updating cached repository BlueyNeilo/patchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BlueyNeilo/patchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BlueyNeilo/patchain" "work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BlueyNeilo/patchain" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlueyNeilo/patchain"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlueyNeilo/patchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17057247d1585a25a6a60ad4ac08303b3c69079c
[INFO] sha for GitHub repo BlueyNeilo/patchain: 17057247d1585a25a6a60ad4ac08303b3c69079c
[INFO] validating manifest of BlueyNeilo/patchain on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BlueyNeilo/patchain on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BlueyNeilo/patchain
[INFO] finished frobbing BlueyNeilo/patchain
[INFO] frobbed toml for BlueyNeilo/patchain written to work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain/Cargo.toml
[INFO] started frobbing BlueyNeilo/patchain
[INFO] finished frobbing BlueyNeilo/patchain
[INFO] frobbed toml for BlueyNeilo/patchain written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlueyNeilo/patchain/Cargo.toml
[INFO] crate BlueyNeilo/patchain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BlueyNeilo/patchain against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 994908c8a5b87e21b28086a7f2b46fdb6937a38a2b603e749d2808d513fd45f2
[INFO] running `"docker" "start" "-a" "994908c8a5b87e21b28086a7f2b46fdb6937a38a2b603e749d2808d513fd45f2"`
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling patchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ledgersize`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let ledgersize = 10;
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_ledgersize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_hash`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut last_hash = block.block_hash.clone();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_last_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut last_hash = firstblock.block_hash.clone();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut last_hash = block.block_hash.clone();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.40s
[INFO] running `"docker" "inspect" "994908c8a5b87e21b28086a7f2b46fdb6937a38a2b603e749d2808d513fd45f2"`
[INFO] running `"docker" "rm" "-f" "994908c8a5b87e21b28086a7f2b46fdb6937a38a2b603e749d2808d513fd45f2"`
[INFO] [stdout] 994908c8a5b87e21b28086a7f2b46fdb6937a38a2b603e749d2808d513fd45f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51a2b75a71b30dacb84ddb6ec4f6dbe6b4a48eca76a2f8a3eb956cfe32972e35
[INFO] running `"docker" "start" "-a" "51a2b75a71b30dacb84ddb6ec4f6dbe6b4a48eca76a2f8a3eb956cfe32972e35"`
[INFO] [stderr]    Compiling patchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ledgersize`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let ledgersize = 10;
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_ledgersize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_hash`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut last_hash = block.block_hash.clone();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_last_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut last_hash = firstblock.block_hash.clone();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut last_hash = block.block_hash.clone();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "51a2b75a71b30dacb84ddb6ec4f6dbe6b4a48eca76a2f8a3eb956cfe32972e35"`
[INFO] running `"docker" "rm" "-f" "51a2b75a71b30dacb84ddb6ec4f6dbe6b4a48eca76a2f8a3eb956cfe32972e35"`
[INFO] [stdout] 51a2b75a71b30dacb84ddb6ec4f6dbe6b4a48eca76a2f8a3eb956cfe32972e35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BlueyNeilo/patchain:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 12d302df4c3615edef8af6039119534706230b3ec7f75c2bff6e55b8ab3c031c
[INFO] running `"docker" "start" "-a" "12d302df4c3615edef8af6039119534706230b3ec7f75c2bff6e55b8ab3c031c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/patchainlib-72f8bc73e694a862
[INFO] [stderr]      Running /opt/crater/target/debug/deps/patchainbin-eefe1bb071edd136
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests patchainlib
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "12d302df4c3615edef8af6039119534706230b3ec7f75c2bff6e55b8ab3c031c"`
[INFO] running `"docker" "rm" "-f" "12d302df4c3615edef8af6039119534706230b3ec7f75c2bff6e55b8ab3c031c"`
[INFO] [stdout] 12d302df4c3615edef8af6039119534706230b3ec7f75c2bff6e55b8ab3c031c