[INFO] updating cached repository Alexendoo/paper-backup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Alexendoo/paper-backup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexendoo/paper-backup" "work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Alexendoo/paper-backup" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Alexendoo/paper-backup"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Alexendoo/paper-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66a78f589b3145f2bbaea254bd8a81110d7f108a
[INFO] sha for GitHub repo Alexendoo/paper-backup: 66a78f589b3145f2bbaea254bd8a81110d7f108a
[INFO] validating manifest of Alexendoo/paper-backup 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 Alexendoo/paper-backup 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 Alexendoo/paper-backup
[INFO] finished frobbing Alexendoo/paper-backup
[INFO] frobbed toml for Alexendoo/paper-backup written to work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup/Cargo.toml
[INFO] started frobbing Alexendoo/paper-backup
[INFO] finished frobbing Alexendoo/paper-backup
[INFO] frobbed toml for Alexendoo/paper-backup written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Alexendoo/paper-backup/Cargo.toml
[INFO] crate Alexendoo/paper-backup 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Alexendoo/paper-backup 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup:/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] b08154e5b6a3ada96b13a63646484d885df0583362998b7f224a808322268d41
[INFO] running `"docker" "start" "-a" "b08154e5b6a3ada96b13a63646484d885df0583362998b7f224a808322268d41"`
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling paper-backup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `pad`
[INFO] [stderr]  --> src/padding.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn pad(buf: &mut Vec<u8>, block_size: usize) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unpad`
[INFO] [stderr]  --> src/padding.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn unpad(buf: &mut Vec<u8>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `"docker" "inspect" "b08154e5b6a3ada96b13a63646484d885df0583362998b7f224a808322268d41"`
[INFO] running `"docker" "rm" "-f" "b08154e5b6a3ada96b13a63646484d885df0583362998b7f224a808322268d41"`
[INFO] [stdout] b08154e5b6a3ada96b13a63646484d885df0583362998b7f224a808322268d41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup:/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] 9276db67761b2a3057d29fb8903f54afeea901b3cb8614be0e74b2098eca57a5
[INFO] running `"docker" "start" "-a" "9276db67761b2a3057d29fb8903f54afeea901b3cb8614be0e74b2098eca57a5"`
[INFO] [stderr]    Compiling paper-backup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "9276db67761b2a3057d29fb8903f54afeea901b3cb8614be0e74b2098eca57a5"`
[INFO] running `"docker" "rm" "-f" "9276db67761b2a3057d29fb8903f54afeea901b3cb8614be0e74b2098eca57a5"`
[INFO] [stdout] 9276db67761b2a3057d29fb8903f54afeea901b3cb8614be0e74b2098eca57a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Alexendoo/paper-backup:/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] 531c5b232ec2501a979d009d3d28b5947f3e3a1c159c847f5c92bbfe58397e60
[INFO] running `"docker" "start" "-a" "531c5b232ec2501a979d009d3d28b5947f3e3a1c159c847f5c92bbfe58397e60"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/paper_backup-c569e3e2286630c8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test padding::tests::unpad_one ... ok
[INFO] [stdout] test padding::tests::unpad_many ... ok
[INFO] [stdout] test padding::tests::pad_overflow ... ok
[INFO] [stdout] test padding::tests::pad_multiple_bytes ... ok
[INFO] [stdout] test padding::tests::pad_one_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "531c5b232ec2501a979d009d3d28b5947f3e3a1c159c847f5c92bbfe58397e60"`
[INFO] running `"docker" "rm" "-f" "531c5b232ec2501a979d009d3d28b5947f3e3a1c159c847f5c92bbfe58397e60"`
[INFO] [stdout] 531c5b232ec2501a979d009d3d28b5947f3e3a1c159c847f5c92bbfe58397e60