[INFO] crate piston 0.49.0 is already in cache
[INFO] testing piston-0.49.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate piston 0.49.0 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate piston 0.49.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate piston 0.49.0
[INFO] finished tweaking crates.io crate piston 0.49.0
[INFO] tweaked toml for crates.io crate piston 0.49.0 written to work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8333649ffa0bd1b495078ce8698fa9f0895bf9c083e078ed45dfc22bcf8aa19d
[INFO] running `"docker" "start" "-a" "8333649ffa0bd1b495078ce8698fa9f0895bf9c083e078ed45dfc22bcf8aa19d"`
[INFO] [stderr]    Compiling piston v0.49.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "8333649ffa0bd1b495078ce8698fa9f0895bf9c083e078ed45dfc22bcf8aa19d"`
[INFO] running `"docker" "rm" "-f" "8333649ffa0bd1b495078ce8698fa9f0895bf9c083e078ed45dfc22bcf8aa19d"`
[INFO] [stdout] 8333649ffa0bd1b495078ce8698fa9f0895bf9c083e078ed45dfc22bcf8aa19d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ed6d2e4ccf33df2efd5b54f8e37a387179eb7028834cdbe56e46caec9fdae44
[INFO] running `"docker" "start" "-a" "2ed6d2e4ccf33df2efd5b54f8e37a387179eb7028834cdbe56e46caec9fdae44"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling piston v0.49.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "2ed6d2e4ccf33df2efd5b54f8e37a387179eb7028834cdbe56e46caec9fdae44"`
[INFO] running `"docker" "rm" "-f" "2ed6d2e4ccf33df2efd5b54f8e37a387179eb7028834cdbe56e46caec9fdae44"`
[INFO] [stdout] 2ed6d2e4ccf33df2efd5b54f8e37a387179eb7028834cdbe56e46caec9fdae44
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 20c14f379e7e5a92d6b4acdd41a274178d23987e3e1b8effcdda3dc12b8bb0db
[INFO] running `"docker" "start" "-a" "20c14f379e7e5a92d6b4acdd41a274178d23987e3e1b8effcdda3dc12b8bb0db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/piston-d3af5257468eaef1
[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 piston
[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" "20c14f379e7e5a92d6b4acdd41a274178d23987e3e1b8effcdda3dc12b8bb0db"`
[INFO] running `"docker" "rm" "-f" "20c14f379e7e5a92d6b4acdd41a274178d23987e3e1b8effcdda3dc12b8bb0db"`
[INFO] [stdout] 20c14f379e7e5a92d6b4acdd41a274178d23987e3e1b8effcdda3dc12b8bb0db