[INFO] cloning repository dezgeg/nix-rebuild-stats
[INFO] running `"git" "clone" "--bare" "git://github.com/dezgeg/nix-rebuild-stats.git" "work/cache/sources/gh/dezgeg/nix-rebuild-stats"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dezgeg/nix-rebuild-stats'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dezgeg/nix-rebuild-stats" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/dezgeg/nix-rebuild-stats"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/dezgeg/nix-rebuild-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dezgeg/nix-rebuild-stats" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 909b97402dad8ecc95d96dc685e4024476819496
[INFO] sha for GitHub repo dezgeg/nix-rebuild-stats: 909b97402dad8ecc95d96dc685e4024476819496
[INFO] validating manifest of dezgeg/nix-rebuild-stats on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dezgeg/nix-rebuild-stats on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dezgeg/nix-rebuild-stats
[INFO] finished frobbing dezgeg/nix-rebuild-stats
[INFO] frobbed toml for dezgeg/nix-rebuild-stats written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/dezgeg/nix-rebuild-stats/Cargo.toml
[INFO] started frobbing dezgeg/nix-rebuild-stats
[INFO] finished frobbing dezgeg/nix-rebuild-stats
[INFO] frobbed toml for dezgeg/nix-rebuild-stats written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats/Cargo.toml
[INFO] crate dezgeg/nix-rebuild-stats already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.6.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing dezgeg/nix-rebuild-stats against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] f80bc27c024687b6fa8ac47837a04cbec990cf17117051c9d4c75d3bc88533f6
[INFO] running `"docker" "start" "-a" "f80bc27c024687b6fa8ac47837a04cbec990cf17117051c9d4c75d3bc88533f6"`
[INFO] [stderr]    Compiling from-ascii v0.0.1
[INFO] [stderr]    Compiling encoding_rs v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling quick-xml v0.6.2
[INFO] [stderr]    Compiling nix-rebuild-stats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `drv_paths`
[INFO] [stderr]   --> src/main.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn build_dep_tree(drv_paths: Vec<String>) -> HashMap<String, Vec<String>> {
[INFO] [stderr]    |                   ^^^^^^^^^ help: consider prefixing with an underscore: `_drv_paths`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `"docker" "inspect" "f80bc27c024687b6fa8ac47837a04cbec990cf17117051c9d4c75d3bc88533f6"`
[INFO] running `"docker" "rm" "-f" "f80bc27c024687b6fa8ac47837a04cbec990cf17117051c9d4c75d3bc88533f6"`
[INFO] [stdout] f80bc27c024687b6fa8ac47837a04cbec990cf17117051c9d4c75d3bc88533f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 93f8bf1328060844781934a1f81f11c68299e8150259a3c5f661f648a25bea75
[INFO] running `"docker" "start" "-a" "93f8bf1328060844781934a1f81f11c68299e8150259a3c5f661f648a25bea75"`
[INFO] [stderr]    Compiling nix-rebuild-stats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `drv_paths`
[INFO] [stderr]   --> src/main.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn build_dep_tree(drv_paths: Vec<String>) -> HashMap<String, Vec<String>> {
[INFO] [stderr]    |                   ^^^^^^^^^ help: consider prefixing with an underscore: `_drv_paths`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "93f8bf1328060844781934a1f81f11c68299e8150259a3c5f661f648a25bea75"`
[INFO] running `"docker" "rm" "-f" "93f8bf1328060844781934a1f81f11c68299e8150259a3c5f661f648a25bea75"`
[INFO] [stdout] 93f8bf1328060844781934a1f81f11c68299e8150259a3c5f661f648a25bea75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/dezgeg/nix-rebuild-stats:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 8cc640f3e9ecf53877bd88482aadd2a3c2c4ac2422b6375ed3bc871a72ba313d
[INFO] running `"docker" "start" "-a" "8cc640f3e9ecf53877bd88482aadd2a3c2c4ac2422b6375ed3bc871a72ba313d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nix_rebuild_stats-4e95c1880fbd37fe
[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" "8cc640f3e9ecf53877bd88482aadd2a3c2c4ac2422b6375ed3bc871a72ba313d"`
[INFO] running `"docker" "rm" "-f" "8cc640f3e9ecf53877bd88482aadd2a3c2c4ac2422b6375ed3bc871a72ba313d"`
[INFO] [stdout] 8cc640f3e9ecf53877bd88482aadd2a3c2c4ac2422b6375ed3bc871a72ba313d