[INFO] crate tidalcache 0.1.0 is already in cache
[INFO] extracting crate tidalcache 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tidalcache/0.1.0
[INFO] extracting crate tidalcache 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tidalcache/0.1.0
[INFO] validating manifest of tidalcache-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tidalcache-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tidalcache-0.1.0
[INFO] finished frobbing tidalcache-0.1.0
[INFO] frobbed toml for tidalcache-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tidalcache/0.1.0/Cargo.toml
[INFO] started frobbing tidalcache-0.1.0
[INFO] finished frobbing tidalcache-0.1.0
[INFO] frobbed toml for tidalcache-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tidalcache/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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 tidalcache-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tidalcache/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8fe03bcdb55920d8d89cdc0a42fcbd95adf0165a00b8cf50c2d9c302c92f1054
[INFO] running `"docker" "start" "-a" "8fe03bcdb55920d8d89cdc0a42fcbd95adf0165a00b8cf50c2d9c302c92f1054"`
[INFO] [stderr]    Compiling tidalcache v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/lib.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Value, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "8fe03bcdb55920d8d89cdc0a42fcbd95adf0165a00b8cf50c2d9c302c92f1054"`
[INFO] running `"docker" "rm" "-f" "8fe03bcdb55920d8d89cdc0a42fcbd95adf0165a00b8cf50c2d9c302c92f1054"`
[INFO] [stdout] 8fe03bcdb55920d8d89cdc0a42fcbd95adf0165a00b8cf50c2d9c302c92f1054
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tidalcache/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] af7d06ff18888e163994b179a08a6f64a39e230da22571093f483eabefe43424
[INFO] running `"docker" "start" "-a" "af7d06ff18888e163994b179a08a6f64a39e230da22571093f483eabefe43424"`
[INFO] [stderr]    Compiling tidalcache v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/lib.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Value, Error};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "af7d06ff18888e163994b179a08a6f64a39e230da22571093f483eabefe43424"`
[INFO] running `"docker" "rm" "-f" "af7d06ff18888e163994b179a08a6f64a39e230da22571093f483eabefe43424"`
[INFO] [stdout] af7d06ff18888e163994b179a08a6f64a39e230da22571093f483eabefe43424
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tidalcache/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4bed2d5ca4a5bb99b1db0f4190da7b077b4a2c2e98fd41189c23dd612e3d1986
[INFO] running `"docker" "start" "-a" "4bed2d5ca4a5bb99b1db0f4190da7b077b4a2c2e98fd41189c23dd612e3d1986"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tidalcache-ec1c73a66a6755d6
[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 tidalcache
[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" "4bed2d5ca4a5bb99b1db0f4190da7b077b4a2c2e98fd41189c23dd612e3d1986"`
[INFO] running `"docker" "rm" "-f" "4bed2d5ca4a5bb99b1db0f4190da7b077b4a2c2e98fd41189c23dd612e3d1986"`
[INFO] [stdout] 4bed2d5ca4a5bb99b1db0f4190da7b077b4a2c2e98fd41189c23dd612e3d1986