[INFO] crate abc 0.2.3 is already in cache
[INFO] extracting crate abc 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/abc/0.2.3
[INFO] extracting crate abc 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/abc/0.2.3
[INFO] validating manifest of abc-0.2.3 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 abc-0.2.3 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 abc-0.2.3
[INFO] finished frobbing abc-0.2.3
[INFO] frobbed toml for abc-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/abc/0.2.3/Cargo.toml
[INFO] started frobbing abc-0.2.3
[INFO] finished frobbing abc-0.2.3
[INFO] frobbed toml for abc-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/abc/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 abc-0.2.3 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/abc/0.2.3:/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] 557c364e749b33a1769fafbc7edd7f7f1c98f529e27164e5a7efec58f365c56e
[INFO] running `"docker" "start" "-a" "557c364e749b33a1769fafbc7edd7f7f1c98f529e27164e5a7efec58f365c56e"`
[INFO] [stderr]    Compiling abc v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scaling.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub type ScalingFunction = Fn(Vec<f64>) -> Vec<f64> + Send + Sync + 'static;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<f64>) -> Vec<f64> + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "557c364e749b33a1769fafbc7edd7f7f1c98f529e27164e5a7efec58f365c56e"`
[INFO] running `"docker" "rm" "-f" "557c364e749b33a1769fafbc7edd7f7f1c98f529e27164e5a7efec58f365c56e"`
[INFO] [stdout] 557c364e749b33a1769fafbc7edd7f7f1c98f529e27164e5a7efec58f365c56e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/abc/0.2.3:/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] 798c18eb3dfd1bde53394a6b1492c776cb8ed36eb855fbe9a2bb750cb0f5ef74
[INFO] running `"docker" "start" "-a" "798c18eb3dfd1bde53394a6b1492c776cb8ed36eb855fbe9a2bb750cb0f5ef74"`
[INFO] [stderr]    Compiling abc v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scaling.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub type ScalingFunction = Fn(Vec<f64>) -> Vec<f64> + Send + Sync + 'static;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<f64>) -> Vec<f64> + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "798c18eb3dfd1bde53394a6b1492c776cb8ed36eb855fbe9a2bb750cb0f5ef74"`
[INFO] running `"docker" "rm" "-f" "798c18eb3dfd1bde53394a6b1492c776cb8ed36eb855fbe9a2bb750cb0f5ef74"`
[INFO] [stdout] 798c18eb3dfd1bde53394a6b1492c776cb8ed36eb855fbe9a2bb750cb0f5ef74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/abc/0.2.3:/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] 1ec7cc3b18f9d3a43b6ba7fde5aa61f4b74d331c6c675bbf77587ccf175af46d
[INFO] running `"docker" "start" "-a" "1ec7cc3b18f9d3a43b6ba7fde5aa61f4b74d331c6c675bbf77587ccf175af46d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/abc-62c4d740c81ca292
[INFO] [stderr]    Doc-tests abc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test task::tests::basic_cycle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/context.rs - context::Context (line 22) ... ok
[INFO] [stdout] test src/scaling.rs - scaling (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1ec7cc3b18f9d3a43b6ba7fde5aa61f4b74d331c6c675bbf77587ccf175af46d"`
[INFO] running `"docker" "rm" "-f" "1ec7cc3b18f9d3a43b6ba7fde5aa61f4b74d331c6c675bbf77587ccf175af46d"`
[INFO] [stdout] 1ec7cc3b18f9d3a43b6ba7fde5aa61f4b74d331c6c675bbf77587ccf175af46d