[INFO] updating cached repository Ekri/Rusty_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ekri/Rusty_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ekri/Rusty_playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ekri/Rusty_playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ekri/Rusty_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ekri/Rusty_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36f672d269a28dd60fba3cb943ef08702f6a13e6
[INFO] sha for GitHub repo Ekri/Rusty_playground: 36f672d269a28dd60fba3cb943ef08702f6a13e6
[INFO] validating manifest of Ekri/Rusty_playground 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 Ekri/Rusty_playground 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 Ekri/Rusty_playground
[INFO] finished frobbing Ekri/Rusty_playground
[INFO] frobbed toml for Ekri/Rusty_playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground/Cargo.toml
[INFO] started frobbing Ekri/Rusty_playground
[INFO] finished frobbing Ekri/Rusty_playground
[INFO] frobbed toml for Ekri/Rusty_playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ekri/Rusty_playground/Cargo.toml
[INFO] crate Ekri/Rusty_playground 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Ekri/Rusty_playground against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9b180715bb3510eb4d3be41f12c2b027a176f1d4197913efd198164c9fac85fc
[INFO] running `"docker" "start" "-a" "9b180715bb3510eb4d3be41f12c2b027a176f1d4197913efd198164c9fac85fc"`
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "9b180715bb3510eb4d3be41f12c2b027a176f1d4197913efd198164c9fac85fc"`
[INFO] running `"docker" "rm" "-f" "9b180715bb3510eb4d3be41f12c2b027a176f1d4197913efd198164c9fac85fc"`
[INFO] [stdout] 9b180715bb3510eb4d3be41f12c2b027a176f1d4197913efd198164c9fac85fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 074a8998f0dec98f2a2913d25965ebefb22a70b5787385c974ac57240f86adeb
[INFO] running `"docker" "start" "-a" "074a8998f0dec98f2a2913d25965ebefb22a70b5787385c974ac57240f86adeb"`
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "074a8998f0dec98f2a2913d25965ebefb22a70b5787385c974ac57240f86adeb"`
[INFO] running `"docker" "rm" "-f" "074a8998f0dec98f2a2913d25965ebefb22a70b5787385c974ac57240f86adeb"`
[INFO] [stdout] 074a8998f0dec98f2a2913d25965ebefb22a70b5787385c974ac57240f86adeb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ekri/Rusty_playground:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 189cb251c7e05e91bf328e5d00b02de36445f9a0363b9a70225ea5ada7a22b5f
[INFO] running `"docker" "start" "-a" "189cb251c7e05e91bf328e5d00b02de36445f9a0363b9a70225ea5ada7a22b5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty-470aa1948c79ad87
[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" "189cb251c7e05e91bf328e5d00b02de36445f9a0363b9a70225ea5ada7a22b5f"`
[INFO] running `"docker" "rm" "-f" "189cb251c7e05e91bf328e5d00b02de36445f9a0363b9a70225ea5ada7a22b5f"`
[INFO] [stdout] 189cb251c7e05e91bf328e5d00b02de36445f9a0363b9a70225ea5ada7a22b5f