[INFO] updating cached repository PureW/cargo-prepopulate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PureW/cargo-prepopulate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PureW/cargo-prepopulate" "work/ex/beta-1.38-1/sources/1.37.0/gh/PureW/cargo-prepopulate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PureW/cargo-prepopulate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PureW/cargo-prepopulate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e18ff5c5aabbee7bac2218d6d9ad99d3e01cf0b
[INFO] sha for GitHub repo PureW/cargo-prepopulate: 1e18ff5c5aabbee7bac2218d6d9ad99d3e01cf0b
[INFO] validating manifest of PureW/cargo-prepopulate 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 PureW/cargo-prepopulate 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 PureW/cargo-prepopulate
[INFO] finished frobbing PureW/cargo-prepopulate
[INFO] frobbed toml for PureW/cargo-prepopulate written to work/ex/beta-1.38-1/sources/1.37.0/gh/PureW/cargo-prepopulate/Cargo.toml
[INFO] started frobbing PureW/cargo-prepopulate
[INFO] finished frobbing PureW/cargo-prepopulate
[INFO] frobbed toml for PureW/cargo-prepopulate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate/Cargo.toml
[INFO] crate PureW/cargo-prepopulate 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 PureW/cargo-prepopulate against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f1e8b61d408203f6ce72b96162f22034036881bb78b9d01a8132ff08474dba02
[INFO] running `"docker" "start" "-a" "f1e8b61d408203f6ce72b96162f22034036881bb78b9d01a8132ff08474dba02"`
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling cargo-prepopulate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/cargo-prepopulate.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `"docker" "inspect" "f1e8b61d408203f6ce72b96162f22034036881bb78b9d01a8132ff08474dba02"`
[INFO] running `"docker" "rm" "-f" "f1e8b61d408203f6ce72b96162f22034036881bb78b9d01a8132ff08474dba02"`
[INFO] [stdout] f1e8b61d408203f6ce72b96162f22034036881bb78b9d01a8132ff08474dba02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b67fe97a7509f838bec0bb86166fe2d472f04870985e6a5cf66570a3fa0a1d9
[INFO] running `"docker" "start" "-a" "2b67fe97a7509f838bec0bb86166fe2d472f04870985e6a5cf66570a3fa0a1d9"`
[INFO] [stderr]    Compiling cargo-prepopulate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/cargo-prepopulate.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "2b67fe97a7509f838bec0bb86166fe2d472f04870985e6a5cf66570a3fa0a1d9"`
[INFO] running `"docker" "rm" "-f" "2b67fe97a7509f838bec0bb86166fe2d472f04870985e6a5cf66570a3fa0a1d9"`
[INFO] [stdout] 2b67fe97a7509f838bec0bb86166fe2d472f04870985e6a5cf66570a3fa0a1d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PureW/cargo-prepopulate:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fd74f216bab56a8553f370915632a4ef046d6df84e36f759f200575a1d083278
[INFO] running `"docker" "start" "-a" "fd74f216bab56a8553f370915632a4ef046d6df84e36f759f200575a1d083278"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_prepopulate-19d85a6026c26f7a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_prepopulate-81b6177504502329
[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] [stderr]    Doc-tests cargo-prepopulate
[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" "fd74f216bab56a8553f370915632a4ef046d6df84e36f759f200575a1d083278"`
[INFO] running `"docker" "rm" "-f" "fd74f216bab56a8553f370915632a4ef046d6df84e36f759f200575a1d083278"`
[INFO] [stdout] fd74f216bab56a8553f370915632a4ef046d6df84e36f759f200575a1d083278