[INFO] updating cached repository IvoPaunov/rust-workshop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IvoPaunov/rust-workshop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IvoPaunov/rust-workshop" "work/ex/beta-1.38-1/sources/1.37.0/gh/IvoPaunov/rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IvoPaunov/rust-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IvoPaunov/rust-workshop" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IvoPaunov/rust-workshop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IvoPaunov/rust-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3272d8bc8cd61a7a5c2edf026bd90606142d2ebf
[INFO] sha for GitHub repo IvoPaunov/rust-workshop: 3272d8bc8cd61a7a5c2edf026bd90606142d2ebf
[INFO] validating manifest of IvoPaunov/rust-workshop 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 IvoPaunov/rust-workshop 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 IvoPaunov/rust-workshop
[INFO] finished frobbing IvoPaunov/rust-workshop
[INFO] frobbed toml for IvoPaunov/rust-workshop written to work/ex/beta-1.38-1/sources/1.37.0/gh/IvoPaunov/rust-workshop/Cargo.toml
[INFO] started frobbing IvoPaunov/rust-workshop
[INFO] finished frobbing IvoPaunov/rust-workshop
[INFO] frobbed toml for IvoPaunov/rust-workshop written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IvoPaunov/rust-workshop/Cargo.toml
[INFO] crate IvoPaunov/rust-workshop 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 IvoPaunov/rust-workshop 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-4/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/IvoPaunov/rust-workshop:/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] 9aa3a2bf1d83fd2b584089323e28555b075ddcc1f61d05185d135965b39edeff
[INFO] running `"docker" "start" "-a" "9aa3a2bf1d83fd2b584089323e28555b075ddcc1f61d05185d135965b39edeff"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-workshop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "9aa3a2bf1d83fd2b584089323e28555b075ddcc1f61d05185d135965b39edeff"`
[INFO] running `"docker" "rm" "-f" "9aa3a2bf1d83fd2b584089323e28555b075ddcc1f61d05185d135965b39edeff"`
[INFO] [stdout] 9aa3a2bf1d83fd2b584089323e28555b075ddcc1f61d05185d135965b39edeff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/IvoPaunov/rust-workshop:/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] 46bb7ad4e25d199918675b9564fa2de0b932814abce332c1ae2b1db2a1dc2686
[INFO] running `"docker" "start" "-a" "46bb7ad4e25d199918675b9564fa2de0b932814abce332c1ae2b1db2a1dc2686"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-workshop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "46bb7ad4e25d199918675b9564fa2de0b932814abce332c1ae2b1db2a1dc2686"`
[INFO] running `"docker" "rm" "-f" "46bb7ad4e25d199918675b9564fa2de0b932814abce332c1ae2b1db2a1dc2686"`
[INFO] [stdout] 46bb7ad4e25d199918675b9564fa2de0b932814abce332c1ae2b1db2a1dc2686
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/IvoPaunov/rust-workshop:/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] fac49dfee3cbe6ab432825abcaec99f80f401ea06de89bdcc0d8a821b9ebf06b
[INFO] running `"docker" "start" "-a" "fac49dfee3cbe6ab432825abcaec99f80f401ea06de89bdcc0d8a821b9ebf06b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_workshop-f7ed70062ddc5696
[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" "fac49dfee3cbe6ab432825abcaec99f80f401ea06de89bdcc0d8a821b9ebf06b"`
[INFO] running `"docker" "rm" "-f" "fac49dfee3cbe6ab432825abcaec99f80f401ea06de89bdcc0d8a821b9ebf06b"`
[INFO] [stdout] fac49dfee3cbe6ab432825abcaec99f80f401ea06de89bdcc0d8a821b9ebf06b