[INFO] updating cached repository soenkehahn/entr-cargo-bug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/soenkehahn/entr-cargo-bug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/entr-cargo-bug" "work/ex/beta-1.38-1/sources/1.37.0/gh/soenkehahn/entr-cargo-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/soenkehahn/entr-cargo-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/soenkehahn/entr-cargo-bug" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/soenkehahn/entr-cargo-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/soenkehahn/entr-cargo-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83ee194277052fae78a74639406a8cbe40164da3
[INFO] sha for GitHub repo soenkehahn/entr-cargo-bug: 83ee194277052fae78a74639406a8cbe40164da3
[INFO] validating manifest of soenkehahn/entr-cargo-bug 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 soenkehahn/entr-cargo-bug 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 soenkehahn/entr-cargo-bug
[INFO] finished frobbing soenkehahn/entr-cargo-bug
[INFO] frobbed toml for soenkehahn/entr-cargo-bug written to work/ex/beta-1.38-1/sources/1.37.0/gh/soenkehahn/entr-cargo-bug/Cargo.toml
[INFO] started frobbing soenkehahn/entr-cargo-bug
[INFO] finished frobbing soenkehahn/entr-cargo-bug
[INFO] frobbed toml for soenkehahn/entr-cargo-bug written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/soenkehahn/entr-cargo-bug/Cargo.toml
[INFO] crate soenkehahn/entr-cargo-bug 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 soenkehahn/entr-cargo-bug 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-1/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/soenkehahn/entr-cargo-bug:/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] 379b74d760e1ffcb91ded09fa0b7c39a275f00841502e30596a774291397f5a3
[INFO] running `"docker" "start" "-a" "379b74d760e1ffcb91ded09fa0b7c39a275f00841502e30596a774291397f5a3"`
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling entr-cargo-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `"docker" "inspect" "379b74d760e1ffcb91ded09fa0b7c39a275f00841502e30596a774291397f5a3"`
[INFO] running `"docker" "rm" "-f" "379b74d760e1ffcb91ded09fa0b7c39a275f00841502e30596a774291397f5a3"`
[INFO] [stdout] 379b74d760e1ffcb91ded09fa0b7c39a275f00841502e30596a774291397f5a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/soenkehahn/entr-cargo-bug:/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] 5ab61e477f6fd1f3aab4b9d52482cfdb9082e157da6a2cbe618757a390788063
[INFO] running `"docker" "start" "-a" "5ab61e477f6fd1f3aab4b9d52482cfdb9082e157da6a2cbe618757a390788063"`
[INFO] [stderr]    Compiling entr-cargo-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "5ab61e477f6fd1f3aab4b9d52482cfdb9082e157da6a2cbe618757a390788063"`
[INFO] running `"docker" "rm" "-f" "5ab61e477f6fd1f3aab4b9d52482cfdb9082e157da6a2cbe618757a390788063"`
[INFO] [stdout] 5ab61e477f6fd1f3aab4b9d52482cfdb9082e157da6a2cbe618757a390788063
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/soenkehahn/entr-cargo-bug:/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] dee63be83a1410eb44c4dffb32b3e6130b3880adbfbf6b20842fa4601ff02de6
[INFO] running `"docker" "start" "-a" "dee63be83a1410eb44c4dffb32b3e6130b3880adbfbf6b20842fa4601ff02de6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/entr_cargo_bug-6c97fa63e800802c
[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" "dee63be83a1410eb44c4dffb32b3e6130b3880adbfbf6b20842fa4601ff02de6"`
[INFO] running `"docker" "rm" "-f" "dee63be83a1410eb44c4dffb32b3e6130b3880adbfbf6b20842fa4601ff02de6"`
[INFO] [stdout] dee63be83a1410eb44c4dffb32b3e6130b3880adbfbf6b20842fa4601ff02de6