[INFO] updating cached repository kolybasov/fm_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kolybasov/fm_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kolybasov/fm_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/kolybasov/fm_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kolybasov/fm_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kolybasov/fm_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolybasov/fm_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolybasov/fm_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a26f097d080e912075c4862e1c669373c4098f9f
[INFO] sha for GitHub repo kolybasov/fm_tree: a26f097d080e912075c4862e1c669373c4098f9f
[INFO] validating manifest of kolybasov/fm_tree 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 kolybasov/fm_tree 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 kolybasov/fm_tree
[INFO] finished frobbing kolybasov/fm_tree
[INFO] frobbed toml for kolybasov/fm_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/kolybasov/fm_tree/Cargo.toml
[INFO] started frobbing kolybasov/fm_tree
[INFO] finished frobbing kolybasov/fm_tree
[INFO] frobbed toml for kolybasov/fm_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolybasov/fm_tree/Cargo.toml
[INFO] crate kolybasov/fm_tree 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 kolybasov/fm_tree 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/kolybasov/fm_tree:/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] aefa4b4f5c1c36eeacb49a897ddae9c857819a20f917d1358d4936a14bca8c2b
[INFO] running `"docker" "start" "-a" "aefa4b4f5c1c36eeacb49a897ddae9c857819a20f917d1358d4936a14bca8c2b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling fm_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.91s
[INFO] running `"docker" "inspect" "aefa4b4f5c1c36eeacb49a897ddae9c857819a20f917d1358d4936a14bca8c2b"`
[INFO] running `"docker" "rm" "-f" "aefa4b4f5c1c36eeacb49a897ddae9c857819a20f917d1358d4936a14bca8c2b"`
[INFO] [stdout] aefa4b4f5c1c36eeacb49a897ddae9c857819a20f917d1358d4936a14bca8c2b
[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/kolybasov/fm_tree:/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] 08e5896fd6ce4c3b73e4793df4c3b722adcf823034d9c0057d3013e65a9ffa6c
[INFO] running `"docker" "start" "-a" "08e5896fd6ce4c3b73e4793df4c3b722adcf823034d9c0057d3013e65a9ffa6c"`
[INFO] [stderr]    Compiling fm_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "08e5896fd6ce4c3b73e4793df4c3b722adcf823034d9c0057d3013e65a9ffa6c"`
[INFO] running `"docker" "rm" "-f" "08e5896fd6ce4c3b73e4793df4c3b722adcf823034d9c0057d3013e65a9ffa6c"`
[INFO] [stdout] 08e5896fd6ce4c3b73e4793df4c3b722adcf823034d9c0057d3013e65a9ffa6c
[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/kolybasov/fm_tree:/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] 9ec74972f357258e53dea3805f76d239474369509138a5044ee4e1f9e9120032
[INFO] running `"docker" "start" "-a" "9ec74972f357258e53dea3805f76d239474369509138a5044ee4e1f9e9120032"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fm_tree-3df18a2fd180795c
[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" "9ec74972f357258e53dea3805f76d239474369509138a5044ee4e1f9e9120032"`
[INFO] running `"docker" "rm" "-f" "9ec74972f357258e53dea3805f76d239474369509138a5044ee4e1f9e9120032"`
[INFO] [stdout] 9ec74972f357258e53dea3805f76d239474369509138a5044ee4e1f9e9120032