[INFO] updating cached repository schoeppl/take_it_easy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/schoeppl/take_it_easy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/schoeppl/take_it_easy" "work/ex/beta-1.38-1/sources/1.37.0/gh/schoeppl/take_it_easy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/schoeppl/take_it_easy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/schoeppl/take_it_easy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schoeppl/take_it_easy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schoeppl/take_it_easy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7914fcd85ea5780938d6ffd2dcc0e005516a236b
[INFO] sha for GitHub repo schoeppl/take_it_easy: 7914fcd85ea5780938d6ffd2dcc0e005516a236b
[INFO] validating manifest of schoeppl/take_it_easy 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 schoeppl/take_it_easy 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 schoeppl/take_it_easy
[INFO] finished frobbing schoeppl/take_it_easy
[INFO] frobbed toml for schoeppl/take_it_easy written to work/ex/beta-1.38-1/sources/1.37.0/gh/schoeppl/take_it_easy/Cargo.toml
[INFO] started frobbing schoeppl/take_it_easy
[INFO] finished frobbing schoeppl/take_it_easy
[INFO] frobbed toml for schoeppl/take_it_easy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schoeppl/take_it_easy/Cargo.toml
[INFO] crate schoeppl/take_it_easy 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 schoeppl/take_it_easy 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/schoeppl/take_it_easy:/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] b6244f724107a412b43506103492fabae09a41cf1a89a10474d0988e449288ad
[INFO] running `"docker" "start" "-a" "b6244f724107a412b43506103492fabae09a41cf1a89a10474d0988e449288ad"`
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stderr]    Compiling take_it_easy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::mpsc::channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `"docker" "inspect" "b6244f724107a412b43506103492fabae09a41cf1a89a10474d0988e449288ad"`
[INFO] running `"docker" "rm" "-f" "b6244f724107a412b43506103492fabae09a41cf1a89a10474d0988e449288ad"`
[INFO] [stdout] b6244f724107a412b43506103492fabae09a41cf1a89a10474d0988e449288ad
[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/schoeppl/take_it_easy:/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] e3ea5b49b22679d6600ddee0935ac9ad924fb1c472ba14da06f6ee1f15c60540
[INFO] running `"docker" "start" "-a" "e3ea5b49b22679d6600ddee0935ac9ad924fb1c472ba14da06f6ee1f15c60540"`
[INFO] [stderr]    Compiling take_it_easy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::sync::mpsc::channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "e3ea5b49b22679d6600ddee0935ac9ad924fb1c472ba14da06f6ee1f15c60540"`
[INFO] running `"docker" "rm" "-f" "e3ea5b49b22679d6600ddee0935ac9ad924fb1c472ba14da06f6ee1f15c60540"`
[INFO] [stdout] e3ea5b49b22679d6600ddee0935ac9ad924fb1c472ba14da06f6ee1f15c60540
[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/schoeppl/take_it_easy:/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] 2ca86d672836e4308641e53c5a8cf715c171dc748f4a0306efc8f75a6d89d4ca
[INFO] running `"docker" "start" "-a" "2ca86d672836e4308641e53c5a8cf715c171dc748f4a0306efc8f75a6d89d4ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/take_it_easy-ea16dfdda45d7d41
[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" "2ca86d672836e4308641e53c5a8cf715c171dc748f4a0306efc8f75a6d89d4ca"`
[INFO] running `"docker" "rm" "-f" "2ca86d672836e4308641e53c5a8cf715c171dc748f4a0306efc8f75a6d89d4ca"`
[INFO] [stdout] 2ca86d672836e4308641e53c5a8cf715c171dc748f4a0306efc8f75a6d89d4ca