[INFO] updating cached repository mexus/rust-random-duplicates
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mexus/rust-random-duplicates
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/rust-random-duplicates" "work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/rust-random-duplicates"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/rust-random-duplicates'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/rust-random-duplicates" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/rust-random-duplicates"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/rust-random-duplicates'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33b3d248f7f3ac24f3d6862571ffef30b972311c
[INFO] sha for GitHub repo mexus/rust-random-duplicates: 33b3d248f7f3ac24f3d6862571ffef30b972311c
[INFO] validating manifest of mexus/rust-random-duplicates 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 mexus/rust-random-duplicates 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 mexus/rust-random-duplicates
[INFO] finished frobbing mexus/rust-random-duplicates
[INFO] frobbed toml for mexus/rust-random-duplicates written to work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/rust-random-duplicates/Cargo.toml
[INFO] started frobbing mexus/rust-random-duplicates
[INFO] finished frobbing mexus/rust-random-duplicates
[INFO] frobbed toml for mexus/rust-random-duplicates written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/rust-random-duplicates/Cargo.toml
[INFO] crate mexus/rust-random-duplicates already has a lockfile, it will not be regenerated
[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 mexus/rust-random-duplicates 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/gh/mexus/rust-random-duplicates:/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] ec1e44eb210cffb2005d47ce91269ce05d3d08d282c69056843bedc11877affe
[INFO] running `"docker" "start" "-a" "ec1e44eb210cffb2005d47ce91269ce05d3d08d282c69056843bedc11877affe"`
[INFO] [stderr]    Compiling random-ints v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "ec1e44eb210cffb2005d47ce91269ce05d3d08d282c69056843bedc11877affe"`
[INFO] running `"docker" "rm" "-f" "ec1e44eb210cffb2005d47ce91269ce05d3d08d282c69056843bedc11877affe"`
[INFO] [stdout] ec1e44eb210cffb2005d47ce91269ce05d3d08d282c69056843bedc11877affe
[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/gh/mexus/rust-random-duplicates:/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] b39d7416d04a21c0008213a01e11e42687fc1d3a51b2fd4873dcb79a15fdd697
[INFO] running `"docker" "start" "-a" "b39d7416d04a21c0008213a01e11e42687fc1d3a51b2fd4873dcb79a15fdd697"`
[INFO] [stderr]    Compiling random-ints v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "b39d7416d04a21c0008213a01e11e42687fc1d3a51b2fd4873dcb79a15fdd697"`
[INFO] running `"docker" "rm" "-f" "b39d7416d04a21c0008213a01e11e42687fc1d3a51b2fd4873dcb79a15fdd697"`
[INFO] [stdout] b39d7416d04a21c0008213a01e11e42687fc1d3a51b2fd4873dcb79a15fdd697
[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/gh/mexus/rust-random-duplicates:/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] 43424be50088c4a906f5183cc0d2fb7eaa0bb8918d105baa8b2b0ea08005ed16
[INFO] running `"docker" "start" "-a" "43424be50088c4a906f5183cc0d2fb7eaa0bb8918d105baa8b2b0ea08005ed16"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_ints-ed957398031b1c1c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "43424be50088c4a906f5183cc0d2fb7eaa0bb8918d105baa8b2b0ea08005ed16"`
[INFO] running `"docker" "rm" "-f" "43424be50088c4a906f5183cc0d2fb7eaa0bb8918d105baa8b2b0ea08005ed16"`
[INFO] [stdout] 43424be50088c4a906f5183cc0d2fb7eaa0bb8918d105baa8b2b0ea08005ed16