[INFO] crate std_prelude 0.2.12 is already in cache
[INFO] extracting crate std_prelude 0.2.12 into work/ex/beta-1.38-1/sources/1.37.0/reg/std_prelude/0.2.12
[INFO] extracting crate std_prelude 0.2.12 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/std_prelude/0.2.12
[INFO] validating manifest of std_prelude-0.2.12 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 std_prelude-0.2.12 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 std_prelude-0.2.12
[INFO] finished frobbing std_prelude-0.2.12
[INFO] frobbed toml for std_prelude-0.2.12 written to work/ex/beta-1.38-1/sources/1.37.0/reg/std_prelude/0.2.12/Cargo.toml
[INFO] started frobbing std_prelude-0.2.12
[INFO] finished frobbing std_prelude-0.2.12
[INFO] frobbed toml for std_prelude-0.2.12 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/std_prelude/0.2.12/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] testing std_prelude-0.2.12 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_prelude/0.2.12:/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] 3dadbff3de2cb57c4ff1529fddfd95d2c6222ce47960b89bc27ad53ac2e9631d
[INFO] running `"docker" "start" "-a" "3dadbff3de2cb57c4ff1529fddfd95d2c6222ce47960b89bc27ad53ac2e9631d"`
[INFO] [stderr]    Compiling std_prelude v0.2.12 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub use std::ascii::AsciiExt;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     ATOMIC_USIZE_INIT,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "3dadbff3de2cb57c4ff1529fddfd95d2c6222ce47960b89bc27ad53ac2e9631d"`
[INFO] running `"docker" "rm" "-f" "3dadbff3de2cb57c4ff1529fddfd95d2c6222ce47960b89bc27ad53ac2e9631d"`
[INFO] [stdout] 3dadbff3de2cb57c4ff1529fddfd95d2c6222ce47960b89bc27ad53ac2e9631d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_prelude/0.2.12:/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] 497ff3379b9b3128e4e3c894b24325473694a7778affcdd5e804896a39956953
[INFO] running `"docker" "start" "-a" "497ff3379b9b3128e4e3c894b24325473694a7778affcdd5e804896a39956953"`
[INFO] [stderr]    Compiling std_prelude v0.2.12 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub use std::ascii::AsciiExt;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     ATOMIC_USIZE_INIT,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "497ff3379b9b3128e4e3c894b24325473694a7778affcdd5e804896a39956953"`
[INFO] running `"docker" "rm" "-f" "497ff3379b9b3128e4e3c894b24325473694a7778affcdd5e804896a39956953"`
[INFO] [stdout] 497ff3379b9b3128e4e3c894b24325473694a7778affcdd5e804896a39956953
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_prelude/0.2.12:/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] 0eb1634bbec0a1cc8c29691df34396a17188a4c2e72082f00bba179d7d4cf79d
[INFO] running `"docker" "start" "-a" "0eb1634bbec0a1cc8c29691df34396a17188a4c2e72082f00bba179d7d4cf79d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/std_prelude-aab0e2aa49057901
[INFO] [stderr]      Running /opt/crater/target/debug/deps/useit-ba66553d2a3fb9de
[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 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests std_prelude
[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" "0eb1634bbec0a1cc8c29691df34396a17188a4c2e72082f00bba179d7d4cf79d"`
[INFO] running `"docker" "rm" "-f" "0eb1634bbec0a1cc8c29691df34396a17188a4c2e72082f00bba179d7d4cf79d"`
[INFO] [stdout] 0eb1634bbec0a1cc8c29691df34396a17188a4c2e72082f00bba179d7d4cf79d