[INFO] crate vstatus 0.0.1 is already in cache
[INFO] extracting crate vstatus 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/vstatus/0.0.1
[INFO] extracting crate vstatus 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vstatus/0.0.1
[INFO] validating manifest of vstatus-0.0.1 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 vstatus-0.0.1 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 vstatus-0.0.1
[INFO] finished frobbing vstatus-0.0.1
[INFO] frobbed toml for vstatus-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vstatus/0.0.1/Cargo.toml
[INFO] started frobbing vstatus-0.0.1
[INFO] finished frobbing vstatus-0.0.1
[INFO] frobbed toml for vstatus-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vstatus/0.0.1/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 vstatus-0.0.1 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-6/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/vstatus/0.0.1:/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] c1abe975569ad7b522d9b0ca7d1db370b94a93dc165f4155ee2f78422285967d
[INFO] running `"docker" "start" "-a" "c1abe975569ad7b522d9b0ca7d1db370b94a93dc165f4155ee2f78422285967d"`
[INFO] [stderr]    Compiling vstatus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stderr]   |            ^^^^^^ help: consider prefixing with an underscore: `_format`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "c1abe975569ad7b522d9b0ca7d1db370b94a93dc165f4155ee2f78422285967d"`
[INFO] running `"docker" "rm" "-f" "c1abe975569ad7b522d9b0ca7d1db370b94a93dc165f4155ee2f78422285967d"`
[INFO] [stdout] c1abe975569ad7b522d9b0ca7d1db370b94a93dc165f4155ee2f78422285967d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/vstatus/0.0.1:/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] 79046ecdfc201158eddf67045a85cfd793884b39fbae9eeb1d6ab42b66e0b80b
[INFO] running `"docker" "start" "-a" "79046ecdfc201158eddf67045a85cfd793884b39fbae9eeb1d6ab42b66e0b80b"`
[INFO] [stderr]    Compiling vstatus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stderr]   |            ^^^^^^ help: consider prefixing with an underscore: `_format`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "79046ecdfc201158eddf67045a85cfd793884b39fbae9eeb1d6ab42b66e0b80b"`
[INFO] running `"docker" "rm" "-f" "79046ecdfc201158eddf67045a85cfd793884b39fbae9eeb1d6ab42b66e0b80b"`
[INFO] [stdout] 79046ecdfc201158eddf67045a85cfd793884b39fbae9eeb1d6ab42b66e0b80b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/vstatus/0.0.1:/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] a423761eac879a6e9d269b0488d1b0c9565a9f3b8018935af6f7c6072afe7cc9
[INFO] running `"docker" "start" "-a" "a423761eac879a6e9d269b0488d1b0c9565a9f3b8018935af6f7c6072afe7cc9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vstatus-a5793998ca331a8e
[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]      Running /opt/crater/target/debug/deps/vstatus-b72ac0fe5c6c0dc8
[INFO] [stderr]    Doc-tests vstatus
[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 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" "a423761eac879a6e9d269b0488d1b0c9565a9f3b8018935af6f7c6072afe7cc9"`
[INFO] running `"docker" "rm" "-f" "a423761eac879a6e9d269b0488d1b0c9565a9f3b8018935af6f7c6072afe7cc9"`
[INFO] [stdout] a423761eac879a6e9d269b0488d1b0c9565a9f3b8018935af6f7c6072afe7cc9