[INFO] crate y4m 0.3.3 is already in cache
[INFO] extracting crate y4m 0.3.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/y4m/0.3.3
[INFO] extracting crate y4m 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/y4m/0.3.3
[INFO] validating manifest of y4m-0.3.3 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 y4m-0.3.3 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 y4m-0.3.3
[INFO] finished frobbing y4m-0.3.3
[INFO] frobbed toml for y4m-0.3.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/y4m/0.3.3/Cargo.toml
[INFO] started frobbing y4m-0.3.3
[INFO] finished frobbing y4m-0.3.3
[INFO] frobbed toml for y4m-0.3.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/y4m/0.3.3/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 y4m-0.3.3 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-4/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/y4m/0.3.3:/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] 1bcfd2c427a6105b3e46c932b24ce3c4714f2e8cf5d21f04d9447ae170ca9436
[INFO] running `"docker" "start" "-a" "1bcfd2c427a6105b3e46c932b24ce3c4714f2e8cf5d21f04d9447ae170ca9436"`
[INFO] [stderr]    Compiling y4m v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "1bcfd2c427a6105b3e46c932b24ce3c4714f2e8cf5d21f04d9447ae170ca9436"`
[INFO] running `"docker" "rm" "-f" "1bcfd2c427a6105b3e46c932b24ce3c4714f2e8cf5d21f04d9447ae170ca9436"`
[INFO] [stdout] 1bcfd2c427a6105b3e46c932b24ce3c4714f2e8cf5d21f04d9447ae170ca9436
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/y4m/0.3.3:/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] fe115b5676906c6456ec3579eaf41720484689ae81c88b55a86a76485b57f42d
[INFO] running `"docker" "start" "-a" "fe115b5676906c6456ec3579eaf41720484689ae81c88b55a86a76485b57f42d"`
[INFO] [stderr]    Compiling resize v0.3.0
[INFO] [stderr]    Compiling y4m v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/resize.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut infh: Box<io::Read> = if args[1] == "-" {
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/resize.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut outfh: Box<io::Write> = if args[3] == "-" {
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "fe115b5676906c6456ec3579eaf41720484689ae81c88b55a86a76485b57f42d"`
[INFO] running `"docker" "rm" "-f" "fe115b5676906c6456ec3579eaf41720484689ae81c88b55a86a76485b57f42d"`
[INFO] [stdout] fe115b5676906c6456ec3579eaf41720484689ae81c88b55a86a76485b57f42d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/y4m/0.3.3:/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] 9cb962fda1b091a7704519615860eb5a65fa88626d765e0a184a1e3771b9f2a6
[INFO] running `"docker" "start" "-a" "9cb962fda1b091a7704519615860eb5a65fa88626d765e0a184a1e3771b9f2a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/y4m-b96763195ded4557
[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] [stderr]    Doc-tests y4m
[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" "9cb962fda1b091a7704519615860eb5a65fa88626d765e0a184a1e3771b9f2a6"`
[INFO] running `"docker" "rm" "-f" "9cb962fda1b091a7704519615860eb5a65fa88626d765e0a184a1e3771b9f2a6"`
[INFO] [stdout] 9cb962fda1b091a7704519615860eb5a65fa88626d765e0a184a1e3771b9f2a6