[INFO] updating cached repository mgattozzi/nightly-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mgattozzi/nightly-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/nightly-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/nightly-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/nightly-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/nightly-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e186131a6aac7098fb98b93cbb8fab44ed7f8ff4
[INFO] sha for GitHub repo mgattozzi/nightly-rust: e186131a6aac7098fb98b93cbb8fab44ed7f8ff4
[INFO] validating manifest of mgattozzi/nightly-rust 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 mgattozzi/nightly-rust 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 mgattozzi/nightly-rust
[INFO] finished frobbing mgattozzi/nightly-rust
[INFO] frobbed toml for mgattozzi/nightly-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/nightly-rust/Cargo.toml
[INFO] started frobbing mgattozzi/nightly-rust
[INFO] finished frobbing mgattozzi/nightly-rust
[INFO] frobbed toml for mgattozzi/nightly-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust/Cargo.toml
[INFO] crate mgattozzi/nightly-rust 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 mgattozzi/nightly-rust 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust:/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] caf5158c95e32ba30f81262419d8445822d3c73c14e0ddba10e0b9d65c09456f
[INFO] running `"docker" "start" "-a" "caf5158c95e32ba30f81262419d8445822d3c73c14e0ddba10e0b9d65c09456f"`
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling hyper v0.11.15
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling egg-mode v0.12.0
[INFO] [stderr]    Compiling nightly-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.28s
[INFO] running `"docker" "inspect" "caf5158c95e32ba30f81262419d8445822d3c73c14e0ddba10e0b9d65c09456f"`
[INFO] running `"docker" "rm" "-f" "caf5158c95e32ba30f81262419d8445822d3c73c14e0ddba10e0b9d65c09456f"`
[INFO] [stdout] caf5158c95e32ba30f81262419d8445822d3c73c14e0ddba10e0b9d65c09456f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust:/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] 2b3eaa5b45ad3867c58681085844ec770675e0812ecdd6392c09cb96457f3250
[INFO] running `"docker" "start" "-a" "2b3eaa5b45ad3867c58681085844ec770675e0812ecdd6392c09cb96457f3250"`
[INFO] [stderr]    Compiling nightly-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "2b3eaa5b45ad3867c58681085844ec770675e0812ecdd6392c09cb96457f3250"`
[INFO] running `"docker" "rm" "-f" "2b3eaa5b45ad3867c58681085844ec770675e0812ecdd6392c09cb96457f3250"`
[INFO] [stdout] 2b3eaa5b45ad3867c58681085844ec770675e0812ecdd6392c09cb96457f3250
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/nightly-rust:/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] 9e861c7456fc12de14b44677f88943c2667a85e7b7bd60a15965119e7eaf52c3
[INFO] running `"docker" "start" "-a" "9e861c7456fc12de14b44677f88943c2667a85e7b7bd60a15965119e7eaf52c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nightly_rust-a4b79e33aa719de1
[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" "9e861c7456fc12de14b44677f88943c2667a85e7b7bd60a15965119e7eaf52c3"`
[INFO] running `"docker" "rm" "-f" "9e861c7456fc12de14b44677f88943c2667a85e7b7bd60a15965119e7eaf52c3"`
[INFO] [stdout] 9e861c7456fc12de14b44677f88943c2667a85e7b7bd60a15965119e7eaf52c3