[INFO] crate collections-rs 0.3.1 is already in cache
[INFO] extracting crate collections-rs 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/collections-rs/0.3.1
[INFO] extracting crate collections-rs 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1
[INFO] validating manifest of collections-rs-0.3.1 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 collections-rs-0.3.1 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 collections-rs-0.3.1
[INFO] finished frobbing collections-rs-0.3.1
[INFO] frobbed toml for collections-rs-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/collections-rs/0.3.1/Cargo.toml
[INFO] started frobbing collections-rs-0.3.1
[INFO] finished frobbing collections-rs-0.3.1
[INFO] frobbed toml for collections-rs-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collections-rs/0.3.1/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 collections-rs-0.3.1 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/reg/collections-rs/0.3.1:/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] a3022a9120378dcc53ca7601c7676c8be95d562b735a1ddd836bd78cfe9a11fb
[INFO] running `"docker" "start" "-a" "a3022a9120378dcc53ca7601c7676c8be95d562b735a1ddd836bd78cfe9a11fb"`
[INFO] [stderr]    Compiling collections-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "a3022a9120378dcc53ca7601c7676c8be95d562b735a1ddd836bd78cfe9a11fb"`
[INFO] running `"docker" "rm" "-f" "a3022a9120378dcc53ca7601c7676c8be95d562b735a1ddd836bd78cfe9a11fb"`
[INFO] [stdout] a3022a9120378dcc53ca7601c7676c8be95d562b735a1ddd836bd78cfe9a11fb
[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/reg/collections-rs/0.3.1:/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] af3d9364e2538ddddb6e6defa48788950b61c9b6187309ff4abb9eed7b579315
[INFO] running `"docker" "start" "-a" "af3d9364e2538ddddb6e6defa48788950b61c9b6187309ff4abb9eed7b579315"`
[INFO] [stderr]    Compiling collections-rs v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "af3d9364e2538ddddb6e6defa48788950b61c9b6187309ff4abb9eed7b579315"`
[INFO] running `"docker" "rm" "-f" "af3d9364e2538ddddb6e6defa48788950b61c9b6187309ff4abb9eed7b579315"`
[INFO] [stdout] af3d9364e2538ddddb6e6defa48788950b61c9b6187309ff4abb9eed7b579315
[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/reg/collections-rs/0.3.1:/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] 802a5250752e8bf1a490379ff5b1706589abf893e13f69bb851d39b34ebac4ba
[INFO] running `"docker" "start" "-a" "802a5250752e8bf1a490379ff5b1706589abf893e13f69bb851d39b34ebac4ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collections_rs-abc207230b6546f4
[INFO] [stderr]    Doc-tests collections-rs
[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] [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" "802a5250752e8bf1a490379ff5b1706589abf893e13f69bb851d39b34ebac4ba"`
[INFO] running `"docker" "rm" "-f" "802a5250752e8bf1a490379ff5b1706589abf893e13f69bb851d39b34ebac4ba"`
[INFO] [stdout] 802a5250752e8bf1a490379ff5b1706589abf893e13f69bb851d39b34ebac4ba