[INFO] crate wan 0.0.2 is already in cache
[INFO] extracting crate wan 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/wan/0.0.2
[INFO] extracting crate wan 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wan/0.0.2
[INFO] validating manifest of wan-0.0.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wan-0.0.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wan-0.0.2
[INFO] finished frobbing wan-0.0.2
[INFO] frobbed toml for wan-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/wan/0.0.2/Cargo.toml
[INFO] started frobbing wan-0.0.2
[INFO] finished frobbing wan-0.0.2
[INFO] frobbed toml for wan-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wan/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing wan-0.0.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wan/0.0.2:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f300deb10e6f03c0fa06a356d3581836603cb3a1d82182fe66d5df4877963e70
[INFO] running `"docker" "start" "-a" "f300deb10e6f03c0fa06a356d3581836603cb3a1d82182fe66d5df4877963e70"`
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling wan v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wandbox.rs:60:55
[INFO] [stderr]    |
[INFO] [stderr] 60 |   pub fn get_compiler_info_raw(&self) -> ::Result<Box<Read>> {
[INFO] [stderr]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]    --> src/wandbox.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::io::Read;
[INFO] [stderr]     |     ------------- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |     use std::io::Read;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |   foreign_links {
[INFO] [stderr] 25 | |     Io(::std::io::Error);
[INFO] [stderr] 26 | |     Hyper(::hyper::error::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |   foreign_links {
[INFO] [stderr] 25 | |     Io(::std::io::Error);
[INFO] [stderr] 26 | |     Hyper(::hyper::error::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `"docker" "inspect" "f300deb10e6f03c0fa06a356d3581836603cb3a1d82182fe66d5df4877963e70"`
[INFO] running `"docker" "rm" "-f" "f300deb10e6f03c0fa06a356d3581836603cb3a1d82182fe66d5df4877963e70"`
[INFO] [stdout] f300deb10e6f03c0fa06a356d3581836603cb3a1d82182fe66d5df4877963e70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wan/0.0.2:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 136768f44abe9a2dcded3f95c52480c932654eb6d0222a22462c39249f8abbc5
[INFO] running `"docker" "start" "-a" "136768f44abe9a2dcded3f95c52480c932654eb6d0222a22462c39249f8abbc5"`
[INFO] [stderr]    Compiling wan v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wandbox.rs:60:55
[INFO] [stderr]    |
[INFO] [stderr] 60 |   pub fn get_compiler_info_raw(&self) -> ::Result<Box<Read>> {
[INFO] [stderr]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]    --> src/wandbox.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::io::Read;
[INFO] [stderr]     |     ------------- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |     use std::io::Read;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |   foreign_links {
[INFO] [stderr] 25 | |     Io(::std::io::Error);
[INFO] [stderr] 26 | |     Hyper(::hyper::error::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / error_chain! {
[INFO] [stderr] 24 | |   foreign_links {
[INFO] [stderr] 25 | |     Io(::std::io::Error);
[INFO] [stderr] 26 | |     Hyper(::hyper::error::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `"docker" "inspect" "136768f44abe9a2dcded3f95c52480c932654eb6d0222a22462c39249f8abbc5"`
[INFO] running `"docker" "rm" "-f" "136768f44abe9a2dcded3f95c52480c932654eb6d0222a22462c39249f8abbc5"`
[INFO] [stdout] 136768f44abe9a2dcded3f95c52480c932654eb6d0222a22462c39249f8abbc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wan/0.0.2:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 02c1daa87b55604521f06879effba9708f39afa607eeffa47e404d6517f6e38b
[INFO] running `"docker" "start" "-a" "02c1daa87b55604521f06879effba9708f39afa607eeffa47e404d6517f6e38b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wan-40248ad4fc89ace4
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test wandbox::test_compiler_switch_multi ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wan-f16a59e900cca340
[INFO] [stdout] test wandbox::test_compiler_switch ... ok
[INFO] [stderr]    Doc-tests wan
[INFO] [stdout] test wandbox::test_compiler_info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "02c1daa87b55604521f06879effba9708f39afa607eeffa47e404d6517f6e38b"`
[INFO] running `"docker" "rm" "-f" "02c1daa87b55604521f06879effba9708f39afa607eeffa47e404d6517f6e38b"`
[INFO] [stdout] 02c1daa87b55604521f06879effba9708f39afa607eeffa47e404d6517f6e38b