[INFO] crate exponential-backoff 0.2.2 is already in cache
[INFO] testing exponential-backoff-0.2.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate exponential-backoff 0.2.2 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate exponential-backoff 0.2.2 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exponential-backoff 0.2.2
[INFO] finished tweaking crates.io crate exponential-backoff 0.2.2
[INFO] tweaked toml for crates.io crate exponential-backoff 0.2.2 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a6637405ba15f321a842b28e4a3cc4658a46fb8b5b24f590ab06c1b1311ddb92
[INFO] running `"docker" "start" "-a" "a6637405ba15f321a842b28e4a3cc4658a46fb8b5b24f590ab06c1b1311ddb92"`
[INFO] [stderr]    Compiling exponential-backoff v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "a6637405ba15f321a842b28e4a3cc4658a46fb8b5b24f590ab06c1b1311ddb92"`
[INFO] running `"docker" "rm" "-f" "a6637405ba15f321a842b28e4a3cc4658a46fb8b5b24f590ab06c1b1311ddb92"`
[INFO] [stdout] a6637405ba15f321a842b28e4a3cc4658a46fb8b5b24f590ab06c1b1311ddb92
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9cce747f64109b457371752f944ba2428b8ea65a618eefa51f1292458e84ceda
[INFO] running `"docker" "start" "-a" "9cce747f64109b457371752f944ba2428b8ea65a618eefa51f1292458e84ceda"`
[INFO] [stderr]    Compiling exponential-backoff v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "9cce747f64109b457371752f944ba2428b8ea65a618eefa51f1292458e84ceda"`
[INFO] running `"docker" "rm" "-f" "9cce747f64109b457371752f944ba2428b8ea65a618eefa51f1292458e84ceda"`
[INFO] [stdout] 9cce747f64109b457371752f944ba2428b8ea65a618eefa51f1292458e84ceda
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] a8c668e7660269408ca310c9ce87d6d7732e0abc78878b35c9596d063e4692a8
[INFO] running `"docker" "start" "-a" "a8c668e7660269408ca310c9ce87d6d7732e0abc78878b35c9596d063e4692a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exponential_backoff-a23ce0c5c03393eb
[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/rustwide/target/debug/deps/test-7ad55e7daefae812
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test doesnt_crash ... 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 exponential-backoff
[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" "a8c668e7660269408ca310c9ce87d6d7732e0abc78878b35c9596d063e4692a8"`
[INFO] running `"docker" "rm" "-f" "a8c668e7660269408ca310c9ce87d6d7732e0abc78878b35c9596d063e4692a8"`
[INFO] [stdout] a8c668e7660269408ca310c9ce87d6d7732e0abc78878b35c9596d063e4692a8