[INFO] updating cached repository kissge/learning-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kissge/learning-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kissge/learning-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/kissge/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kissge/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kissge/learning-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kissge/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kissge/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d6e7540212f766ab11c2ea345d36c945b7ebd58
[INFO] sha for GitHub repo kissge/learning-rust: 3d6e7540212f766ab11c2ea345d36c945b7ebd58
[INFO] validating manifest of kissge/learning-rust 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 kissge/learning-rust 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 kissge/learning-rust
[INFO] finished frobbing kissge/learning-rust
[INFO] frobbed toml for kissge/learning-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/kissge/learning-rust/Cargo.toml
[INFO] started frobbing kissge/learning-rust
[INFO] finished frobbing kissge/learning-rust
[INFO] frobbed toml for kissge/learning-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kissge/learning-rust/Cargo.toml
[INFO] crate kissge/learning-rust 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 kissge/learning-rust 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-2/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/kissge/learning-rust:/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] 131ea2dfd5d658695d30d66368872c3ce4a55fd07efa4252653dde2515b54bc4
[INFO] running `"docker" "start" "-a" "131ea2dfd5d658695d30d66368872c3ce4a55fd07efa4252653dde2515b54bc4"`
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling comrak v0.3.0
[INFO] [stderr]    Compiling monolog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.63s
[INFO] running `"docker" "inspect" "131ea2dfd5d658695d30d66368872c3ce4a55fd07efa4252653dde2515b54bc4"`
[INFO] running `"docker" "rm" "-f" "131ea2dfd5d658695d30d66368872c3ce4a55fd07efa4252653dde2515b54bc4"`
[INFO] [stdout] 131ea2dfd5d658695d30d66368872c3ce4a55fd07efa4252653dde2515b54bc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/kissge/learning-rust:/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] 7cf570e6e20492ebeada3f88b7996045c3c2dc8a808235895125d5715bec0ae7
[INFO] running `"docker" "start" "-a" "7cf570e6e20492ebeada3f88b7996045c3c2dc8a808235895125d5715bec0ae7"`
[INFO] [stderr]    Compiling monolog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "7cf570e6e20492ebeada3f88b7996045c3c2dc8a808235895125d5715bec0ae7"`
[INFO] running `"docker" "rm" "-f" "7cf570e6e20492ebeada3f88b7996045c3c2dc8a808235895125d5715bec0ae7"`
[INFO] [stdout] 7cf570e6e20492ebeada3f88b7996045c3c2dc8a808235895125d5715bec0ae7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/kissge/learning-rust:/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] 490f278cdfde63e95329823e993e62662a4122635f49d0b4dda9c070ff34d54d
[INFO] running `"docker" "start" "-a" "490f278cdfde63e95329823e993e62662a4122635f49d0b4dda9c070ff34d54d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monolog-b14807afafd27609
[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" "490f278cdfde63e95329823e993e62662a4122635f49d0b4dda9c070ff34d54d"`
[INFO] running `"docker" "rm" "-f" "490f278cdfde63e95329823e993e62662a4122635f49d0b4dda9c070ff34d54d"`
[INFO] [stdout] 490f278cdfde63e95329823e993e62662a4122635f49d0b4dda9c070ff34d54d