[INFO] updating cached repository robbinhan/direnv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robbinhan/direnv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robbinhan/direnv" "work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robbinhan/direnv" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbinhan/direnv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbinhan/direnv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53de76e0716d3f2b59ba01f120586835d4751357
[INFO] sha for GitHub repo robbinhan/direnv: 53de76e0716d3f2b59ba01f120586835d4751357
[INFO] validating manifest of robbinhan/direnv 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 robbinhan/direnv 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 robbinhan/direnv
[INFO] finished frobbing robbinhan/direnv
[INFO] frobbed toml for robbinhan/direnv written to work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv/Cargo.toml
[INFO] started frobbing robbinhan/direnv
[INFO] finished frobbing robbinhan/direnv
[INFO] frobbed toml for robbinhan/direnv written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robbinhan/direnv/Cargo.toml
[INFO] crate robbinhan/direnv 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 robbinhan/direnv 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv:/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] 0a4b3ad2ce8cf3315199a054939937719e52c79ebce484206d7c90b73482d9b1
[INFO] running `"docker" "start" "-a" "0a4b3ad2ce8cf3315199a054939937719e52c79ebce484206d7c90b73482d9b1"`
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling direnv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:44
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn load_rc() -> std::result::Result<(),Box<std::error::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exports`
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |     if let Some(exports) = matches.value_of("exports") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_exports`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             load_rc();
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `"docker" "inspect" "0a4b3ad2ce8cf3315199a054939937719e52c79ebce484206d7c90b73482d9b1"`
[INFO] running `"docker" "rm" "-f" "0a4b3ad2ce8cf3315199a054939937719e52c79ebce484206d7c90b73482d9b1"`
[INFO] [stdout] 0a4b3ad2ce8cf3315199a054939937719e52c79ebce484206d7c90b73482d9b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv:/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] bd3e44cab01cf16f3d1068183872f8b401a094d6199f21809c72ccaeb4b40f07
[INFO] running `"docker" "start" "-a" "bd3e44cab01cf16f3d1068183872f8b401a094d6199f21809c72ccaeb4b40f07"`
[INFO] [stderr]    Compiling direnv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:44
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn load_rc() -> std::result::Result<(),Box<std::error::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exports`
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |     if let Some(exports) = matches.value_of("exports") {
[INFO] [stderr]    |                 ^^^^^^^ help: consider prefixing with an underscore: `_exports`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             load_rc();
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "bd3e44cab01cf16f3d1068183872f8b401a094d6199f21809c72ccaeb4b40f07"`
[INFO] running `"docker" "rm" "-f" "bd3e44cab01cf16f3d1068183872f8b401a094d6199f21809c72ccaeb4b40f07"`
[INFO] [stdout] bd3e44cab01cf16f3d1068183872f8b401a094d6199f21809c72ccaeb4b40f07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/robbinhan/direnv:/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] d27d4b439a1ea687bc123c0e66aeabf9bd2429cdb603da8a122cb883d0ec7f8e
[INFO] running `"docker" "start" "-a" "d27d4b439a1ea687bc123c0e66aeabf9bd2429cdb603da8a122cb883d0ec7f8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/direnv-8670e288464cc069
[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" "d27d4b439a1ea687bc123c0e66aeabf9bd2429cdb603da8a122cb883d0ec7f8e"`
[INFO] running `"docker" "rm" "-f" "d27d4b439a1ea687bc123c0e66aeabf9bd2429cdb603da8a122cb883d0ec7f8e"`
[INFO] [stdout] d27d4b439a1ea687bc123c0e66aeabf9bd2429cdb603da8a122cb883d0ec7f8e