[INFO] crate promises 0.2.0 is already in cache
[INFO] testing promises-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate promises 0.2.0 into work/builds/worker-11/source
[INFO] validating manifest of crates.io crate promises 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate promises 0.2.0
[INFO] finished tweaking crates.io crate promises 0.2.0
[INFO] tweaked toml for crates.io crate promises 0.2.0 written to work/builds/worker-11/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 6bc360e9977a8ed22c7ddaeba6e40cbe62579b28f6cfa2c039fb7a7a85ffd794
[INFO] running `"docker" "start" "-a" "6bc360e9977a8ed22c7ddaeba6e40cbe62579b28f6cfa2c039fb7a7a85ffd794"`
[INFO] [stderr]    Compiling promises v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "6bc360e9977a8ed22c7ddaeba6e40cbe62579b28f6cfa2c039fb7a7a85ffd794"`
[INFO] running `"docker" "rm" "-f" "6bc360e9977a8ed22c7ddaeba6e40cbe62579b28f6cfa2c039fb7a7a85ffd794"`
[INFO] [stdout] 6bc360e9977a8ed22c7ddaeba6e40cbe62579b28f6cfa2c039fb7a7a85ffd794
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a931686ef6c5d99e2b7d82077999b60c58fc26d38b8b37997436b235646650a
[INFO] running `"docker" "start" "-a" "9a931686ef6c5d99e2b7d82077999b60c58fc26d38b8b37997436b235646650a"`
[INFO] [stderr]    Compiling promises v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/tests.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |         Ok(file) => println!("Created a file!"),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/tests.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let p: Promise<(), ()> = Promise::new(|| {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_file`
[INFO] [stderr]   --> src/tests.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn create_file() -> Result<File, io::Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "9a931686ef6c5d99e2b7d82077999b60c58fc26d38b8b37997436b235646650a"`
[INFO] running `"docker" "rm" "-f" "9a931686ef6c5d99e2b7d82077999b60c58fc26d38b8b37997436b235646650a"`
[INFO] [stdout] 9a931686ef6c5d99e2b7d82077999b60c58fc26d38b8b37997436b235646650a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] cdff542c9848e11591cdfd5d88c98cd952883b02dc25f14a9d4bcd0017753040
[INFO] running `"docker" "start" "-a" "cdff542c9848e11591cdfd5d88c98cd952883b02dc25f14a9d4bcd0017753040"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promises-41314f04bdf748bf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] Handling result
[INFO] [stdout] Created a file!
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests promises
[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" "cdff542c9848e11591cdfd5d88c98cd952883b02dc25f14a9d4bcd0017753040"`
[INFO] running `"docker" "rm" "-f" "cdff542c9848e11591cdfd5d88c98cd952883b02dc25f14a9d4bcd0017753040"`
[INFO] [stdout] cdff542c9848e11591cdfd5d88c98cd952883b02dc25f14a9d4bcd0017753040