[INFO] crate rand-bytes 0.2.0 is already in cache
[INFO] extracting crate rand-bytes 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rand-bytes/0.2.0
[INFO] extracting crate rand-bytes 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rand-bytes/0.2.0
[INFO] validating manifest of rand-bytes-0.2.0 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 rand-bytes-0.2.0 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 rand-bytes-0.2.0
[INFO] finished frobbing rand-bytes-0.2.0
[INFO] frobbed toml for rand-bytes-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rand-bytes/0.2.0/Cargo.toml
[INFO] started frobbing rand-bytes-0.2.0
[INFO] finished frobbing rand-bytes-0.2.0
[INFO] frobbed toml for rand-bytes-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rand-bytes/0.2.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rand-bytes-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rand-bytes/0.2.0:/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] 756c91925a2fff1886c6474988fb2bfa4ceb7647d52ea03c5f568e6a7a794704
[INFO] running `"docker" "start" "-a" "756c91925a2fff1886c6474988fb2bfa4ceb7647d52ea03c5f568e6a7a794704"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling rand-bytes v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn rng() -> &'static SecureRandom {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SecureRandom`
[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]   --> src/main.rs:62:49
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn get_writer<'a>(path: Option<&'a str>) -> Box<Write> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:93
[INFO] [stderr]    |
[INFO] [stderr] 64 |         path.map(|path| Box::new(File::create(path).expect("Unable to create file")) as Box<Write>)
[INFO] [stderr]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:62
[INFO] [stderr]    |
[INFO] [stderr] 65 |             .unwrap_or_else(|| Box::new(io::stdout()) as Box<Write>);
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `"docker" "inspect" "756c91925a2fff1886c6474988fb2bfa4ceb7647d52ea03c5f568e6a7a794704"`
[INFO] running `"docker" "rm" "-f" "756c91925a2fff1886c6474988fb2bfa4ceb7647d52ea03c5f568e6a7a794704"`
[INFO] [stdout] 756c91925a2fff1886c6474988fb2bfa4ceb7647d52ea03c5f568e6a7a794704
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rand-bytes/0.2.0:/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] bbd4d17e2d04eef4004d9e00332b42844bfaf9ff7d4d665c6a5d5fea2f0ff238
[INFO] running `"docker" "start" "-a" "bbd4d17e2d04eef4004d9e00332b42844bfaf9ff7d4d665c6a5d5fea2f0ff238"`
[INFO] [stderr]    Compiling rand-bytes v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn rng() -> &'static SecureRandom {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SecureRandom`
[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]   --> src/main.rs:62:49
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn get_writer<'a>(path: Option<&'a str>) -> Box<Write> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:93
[INFO] [stderr]    |
[INFO] [stderr] 64 |         path.map(|path| Box::new(File::create(path).expect("Unable to create file")) as Box<Write>)
[INFO] [stderr]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:62
[INFO] [stderr]    |
[INFO] [stderr] 65 |             .unwrap_or_else(|| Box::new(io::stdout()) as Box<Write>);
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "bbd4d17e2d04eef4004d9e00332b42844bfaf9ff7d4d665c6a5d5fea2f0ff238"`
[INFO] running `"docker" "rm" "-f" "bbd4d17e2d04eef4004d9e00332b42844bfaf9ff7d4d665c6a5d5fea2f0ff238"`
[INFO] [stdout] bbd4d17e2d04eef4004d9e00332b42844bfaf9ff7d4d665c6a5d5fea2f0ff238
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rand-bytes/0.2.0:/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] b9a6fadab52755ce26cf948e6231744aa680b7aacd7e9ef3a49556cf8627dc0b
[INFO] running `"docker" "start" "-a" "b9a6fadab52755ce26cf948e6231744aa680b7aacd7e9ef3a49556cf8627dc0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rand_bytes-394c39790fa476f8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b9a6fadab52755ce26cf948e6231744aa680b7aacd7e9ef3a49556cf8627dc0b"`
[INFO] running `"docker" "rm" "-f" "b9a6fadab52755ce26cf948e6231744aa680b7aacd7e9ef3a49556cf8627dc0b"`
[INFO] [stdout] b9a6fadab52755ce26cf948e6231744aa680b7aacd7e9ef3a49556cf8627dc0b