[INFO] crate strs 0.1.3 is already in cache
[INFO] extracting crate strs 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/strs/0.1.3
[INFO] extracting crate strs 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strs/0.1.3
[INFO] validating manifest of strs-0.1.3 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 strs-0.1.3 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 strs-0.1.3
[INFO] finished frobbing strs-0.1.3
[INFO] frobbed toml for strs-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/strs/0.1.3/Cargo.toml
[INFO] started frobbing strs-0.1.3
[INFO] finished frobbing strs-0.1.3
[INFO] frobbed toml for strs-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strs/0.1.3/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 strs-0.1.3 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strs/0.1.3:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f4435dee1077d98efb307cebea2a32454af86c3a0a9f3a9f131c023f64e48035
[INFO] running `"docker" "start" "-a" "f4435dee1077d98efb307cebea2a32454af86c3a0a9f3a9f131c023f64e48035"`
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling strs v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn print_strs(number: usize, handle: &mut Read) -> io::Result<()> {
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "f4435dee1077d98efb307cebea2a32454af86c3a0a9f3a9f131c023f64e48035"`
[INFO] running `"docker" "rm" "-f" "f4435dee1077d98efb307cebea2a32454af86c3a0a9f3a9f131c023f64e48035"`
[INFO] [stdout] f4435dee1077d98efb307cebea2a32454af86c3a0a9f3a9f131c023f64e48035
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strs/0.1.3:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f20c6c3cdbe6a83a40c83aed5c6f56e284f046b6bb9cfb1b827c8d6ee363b362
[INFO] running `"docker" "start" "-a" "f20c6c3cdbe6a83a40c83aed5c6f56e284f046b6bb9cfb1b827c8d6ee363b362"`
[INFO] [stderr]    Compiling strs v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn print_strs(number: usize, handle: &mut Read) -> io::Result<()> {
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "f20c6c3cdbe6a83a40c83aed5c6f56e284f046b6bb9cfb1b827c8d6ee363b362"`
[INFO] running `"docker" "rm" "-f" "f20c6c3cdbe6a83a40c83aed5c6f56e284f046b6bb9cfb1b827c8d6ee363b362"`
[INFO] [stdout] f20c6c3cdbe6a83a40c83aed5c6f56e284f046b6bb9cfb1b827c8d6ee363b362
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strs/0.1.3:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 40da34757d531be5795966b0b64f688d75df72c99ba6c8b4155f5e434be981fe
[INFO] running `"docker" "start" "-a" "40da34757d531be5795966b0b64f688d75df72c99ba6c8b4155f5e434be981fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strs-340877673a246823
[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" "40da34757d531be5795966b0b64f688d75df72c99ba6c8b4155f5e434be981fe"`
[INFO] running `"docker" "rm" "-f" "40da34757d531be5795966b0b64f688d75df72c99ba6c8b4155f5e434be981fe"`
[INFO] [stdout] 40da34757d531be5795966b0b64f688d75df72c99ba6c8b4155f5e434be981fe