[INFO] crate tasks-framework 0.1.0 is already in cache
[INFO] building tasks-framework-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate tasks-framework 0.1.0 into work/builds/worker-8/source
[INFO] validating manifest of crates.io crate tasks-framework 0.1.0 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 tasks-framework 0.1.0
[INFO] finished tweaking crates.io crate tasks-framework 0.1.0
[INFO] tweaked toml for crates.io crate tasks-framework 0.1.0 written to work/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 9bdf0f4298a56639d72eb004a08bd9132c01b7882b858aae0adbc5d3e3421d51
[INFO] running `"docker" "start" "-a" "9bdf0f4298a56639d72eb004a08bd9132c01b7882b858aae0adbc5d3e3421d51"`
[INFO] [stderr]    Compiling lock-free-stack v0.1.1
[INFO] [stderr]    Compiling tasks-framework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "9bdf0f4298a56639d72eb004a08bd9132c01b7882b858aae0adbc5d3e3421d51"`
[INFO] running `"docker" "rm" "-f" "9bdf0f4298a56639d72eb004a08bd9132c01b7882b858aae0adbc5d3e3421d51"`
[INFO] [stdout] 9bdf0f4298a56639d72eb004a08bd9132c01b7882b858aae0adbc5d3e3421d51
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 54d4b7d89e78eef7b31c574a8123d6d324b0582c2c002a281030bf15b46f6416
[INFO] running `"docker" "start" "-a" "54d4b7d89e78eef7b31c574a8123d6d324b0582c2c002a281030bf15b46f6416"`
[INFO] [stderr]    Compiling tasks-framework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> tests/tasks.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     for i in 0 .. 10 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "54d4b7d89e78eef7b31c574a8123d6d324b0582c2c002a281030bf15b46f6416"`
[INFO] running `"docker" "rm" "-f" "54d4b7d89e78eef7b31c574a8123d6d324b0582c2c002a281030bf15b46f6416"`
[INFO] [stdout] 54d4b7d89e78eef7b31c574a8123d6d324b0582c2c002a281030bf15b46f6416