[INFO] updating cached repository stephaneyfx/everustc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stephaneyfx/everustc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stephaneyfx/everustc" "work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stephaneyfx/everustc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephaneyfx/everustc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephaneyfx/everustc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d64b0b7fe890049666d168f469b2ffb875b455a
[INFO] sha for GitHub repo stephaneyfx/everustc: 8d64b0b7fe890049666d168f469b2ffb875b455a
[INFO] validating manifest of stephaneyfx/everustc 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 stephaneyfx/everustc 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 stephaneyfx/everustc
[INFO] finished frobbing stephaneyfx/everustc
[INFO] frobbed toml for stephaneyfx/everustc written to work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc/Cargo.toml
[INFO] started frobbing stephaneyfx/everustc
[INFO] finished frobbing stephaneyfx/everustc
[INFO] frobbed toml for stephaneyfx/everustc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stephaneyfx/everustc/Cargo.toml
[INFO] crate stephaneyfx/everustc already has a lockfile, it will not be regenerated
[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 stephaneyfx/everustc against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8dc0f6ecb08817c9d00862b3eedb7bba7ea320ebed97b030e2aec22e8c10e82b
[INFO] running `"docker" "start" "-a" "8dc0f6ecb08817c9d00862b3eedb7bba7ea320ebed97b030e2aec22e8c10e82b"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling everust v0.3.0
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling everustc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn print_error_trace(e: &Error) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |     while let Some(cause) = e.cause() {
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(deprecated)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `"docker" "inspect" "8dc0f6ecb08817c9d00862b3eedb7bba7ea320ebed97b030e2aec22e8c10e82b"`
[INFO] running `"docker" "rm" "-f" "8dc0f6ecb08817c9d00862b3eedb7bba7ea320ebed97b030e2aec22e8c10e82b"`
[INFO] [stdout] 8dc0f6ecb08817c9d00862b3eedb7bba7ea320ebed97b030e2aec22e8c10e82b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0e9ad3732998e6c3a0327f7bbb41801377e79fbb17ef3de2e9d17927a849e8fb
[INFO] running `"docker" "start" "-a" "0e9ad3732998e6c3a0327f7bbb41801377e79fbb17ef3de2e9d17927a849e8fb"`
[INFO] [stderr]    Compiling everustc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn print_error_trace(e: &Error) -> io::Result<()> {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:69:31
[INFO] [stderr]    |
[INFO] [stderr] 69 |     while let Some(cause) = e.cause() {
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(deprecated)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "0e9ad3732998e6c3a0327f7bbb41801377e79fbb17ef3de2e9d17927a849e8fb"`
[INFO] running `"docker" "rm" "-f" "0e9ad3732998e6c3a0327f7bbb41801377e79fbb17ef3de2e9d17927a849e8fb"`
[INFO] [stdout] 0e9ad3732998e6c3a0327f7bbb41801377e79fbb17ef3de2e9d17927a849e8fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stephaneyfx/everustc:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 692bccec279799bf14669930cbb078de2a6eb9bc773f40bebd64a8b80458d1de
[INFO] running `"docker" "start" "-a" "692bccec279799bf14669930cbb078de2a6eb9bc773f40bebd64a8b80458d1de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[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]      Running /opt/crater/target/debug/deps/everustc-fbf21f49e326877b
[INFO] running `"docker" "inspect" "692bccec279799bf14669930cbb078de2a6eb9bc773f40bebd64a8b80458d1de"`
[INFO] running `"docker" "rm" "-f" "692bccec279799bf14669930cbb078de2a6eb9bc773f40bebd64a8b80458d1de"`
[INFO] [stdout] 692bccec279799bf14669930cbb078de2a6eb9bc773f40bebd64a8b80458d1de