[INFO] crate erst-prepare 0.2.3 is already in cache
[INFO] extracting crate erst-prepare 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/erst-prepare/0.2.3
[INFO] extracting crate erst-prepare 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/erst-prepare/0.2.3
[INFO] validating manifest of erst-prepare-0.2.3 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 erst-prepare-0.2.3 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 erst-prepare-0.2.3
[INFO] finished frobbing erst-prepare-0.2.3
[INFO] frobbed toml for erst-prepare-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/erst-prepare/0.2.3/Cargo.toml
[INFO] started frobbing erst-prepare-0.2.3
[INFO] finished frobbing erst-prepare-0.2.3
[INFO] frobbed toml for erst-prepare-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/erst-prepare/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 erst-prepare-0.2.3 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/erst-prepare/0.2.3:/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] 7d0a39960c16626efd458ad0d3e8f1f3b041c7ccc51b6d75f6d786fda17e9af8
[INFO] running `"docker" "start" "-a" "7d0a39960c16626efd458ad0d3e8f1f3b041c7ccc51b6d75f6d786fda17e9af8"`
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling erst-shared v0.2.6
[INFO] [stderr]    Compiling erst-prepare v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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 27.32s
[INFO] running `"docker" "inspect" "7d0a39960c16626efd458ad0d3e8f1f3b041c7ccc51b6d75f6d786fda17e9af8"`
[INFO] running `"docker" "rm" "-f" "7d0a39960c16626efd458ad0d3e8f1f3b041c7ccc51b6d75f6d786fda17e9af8"`
[INFO] [stdout] 7d0a39960c16626efd458ad0d3e8f1f3b041c7ccc51b6d75f6d786fda17e9af8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/erst-prepare/0.2.3:/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] 8ec9058cc006262aa0e98559535cb3171555c9d64c6f5673bcda5d97927de0eb
[INFO] running `"docker" "start" "-a" "8ec9058cc006262aa0e98559535cb3171555c9d64c6f5673bcda5d97927de0eb"`
[INFO] [stderr]    Compiling erst-prepare v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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 0.44s
[INFO] running `"docker" "inspect" "8ec9058cc006262aa0e98559535cb3171555c9d64c6f5673bcda5d97927de0eb"`
[INFO] running `"docker" "rm" "-f" "8ec9058cc006262aa0e98559535cb3171555c9d64c6f5673bcda5d97927de0eb"`
[INFO] [stdout] 8ec9058cc006262aa0e98559535cb3171555c9d64c6f5673bcda5d97927de0eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/erst-prepare/0.2.3:/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] e8bb47d3b97136b5a74fea8c631315d85312b42b1c87dd445babd06a1b1a0b13
[INFO] running `"docker" "start" "-a" "e8bb47d3b97136b5a74fea8c631315d85312b42b1c87dd445babd06a1b1a0b13"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/erst_prepare-e4c7568f71b7272d
[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" "e8bb47d3b97136b5a74fea8c631315d85312b42b1c87dd445babd06a1b1a0b13"`
[INFO] running `"docker" "rm" "-f" "e8bb47d3b97136b5a74fea8c631315d85312b42b1c87dd445babd06a1b1a0b13"`
[INFO] [stdout] e8bb47d3b97136b5a74fea8c631315d85312b42b1c87dd445babd06a1b1a0b13