[INFO] updating cached repository mishazawa/letov-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mishazawa/letov-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mishazawa/letov-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mishazawa/letov-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mishazawa/letov-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mishazawa/letov-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d131af294ec644cc5f19c9412212f9f45b85794
[INFO] sha for GitHub repo mishazawa/letov-rs: 1d131af294ec644cc5f19c9412212f9f45b85794
[INFO] validating manifest of mishazawa/letov-rs 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 mishazawa/letov-rs 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 mishazawa/letov-rs
[INFO] finished frobbing mishazawa/letov-rs
[INFO] frobbed toml for mishazawa/letov-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs/Cargo.toml
[INFO] started frobbing mishazawa/letov-rs
[INFO] finished frobbing mishazawa/letov-rs
[INFO] frobbed toml for mishazawa/letov-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mishazawa/letov-rs/Cargo.toml
[INFO] crate mishazawa/letov-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mishazawa/letov-rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs:/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] 1ace74e97590afa82a1393e978802374cc1c08e26777b385b5b425a6f81663e9
[INFO] running `"docker" "start" "-a" "1ace74e97590afa82a1393e978802374cc1c08e26777b385b5b425a6f81663e9"`
[INFO] [stderr]    Compiling letov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "1ace74e97590afa82a1393e978802374cc1c08e26777b385b5b425a6f81663e9"`
[INFO] running `"docker" "rm" "-f" "1ace74e97590afa82a1393e978802374cc1c08e26777b385b5b425a6f81663e9"`
[INFO] [stdout] 1ace74e97590afa82a1393e978802374cc1c08e26777b385b5b425a6f81663e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs:/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] 22c36fc6f94a5e428c444dbda19454d57bf5aecdd44c40c978212e557d228982
[INFO] running `"docker" "start" "-a" "22c36fc6f94a5e428c444dbda19454d57bf5aecdd44c40c978212e557d228982"`
[INFO] [stderr]    Compiling letov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "22c36fc6f94a5e428c444dbda19454d57bf5aecdd44c40c978212e557d228982"`
[INFO] running `"docker" "rm" "-f" "22c36fc6f94a5e428c444dbda19454d57bf5aecdd44c40c978212e557d228982"`
[INFO] [stdout] 22c36fc6f94a5e428c444dbda19454d57bf5aecdd44c40c978212e557d228982
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mishazawa/letov-rs:/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] 61a96f77f8973d13e2b5e6116ffc63c1a67bccd19707b99fc85140b382dac356
[INFO] running `"docker" "start" "-a" "61a96f77f8973d13e2b5e6116ffc63c1a67bccd19707b99fc85140b382dac356"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/letov-1faf1c3617127063
[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/letov-22eb1b87907bfe4c
[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]    Doc-tests letov
[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" "61a96f77f8973d13e2b5e6116ffc63c1a67bccd19707b99fc85140b382dac356"`
[INFO] running `"docker" "rm" "-f" "61a96f77f8973d13e2b5e6116ffc63c1a67bccd19707b99fc85140b382dac356"`
[INFO] [stdout] 61a96f77f8973d13e2b5e6116ffc63c1a67bccd19707b99fc85140b382dac356