[INFO] updating cached repository FauxFaux/tyrant-decr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FauxFaux/tyrant-decr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/tyrant-decr" "work/ex/beta-1.37-6/sources/1.36.0/gh/FauxFaux/tyrant-decr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FauxFaux/tyrant-decr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/tyrant-decr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08ebf9afd7169be520ba65bde2ee6701371374d7
[INFO] sha for GitHub repo FauxFaux/tyrant-decr: 08ebf9afd7169be520ba65bde2ee6701371374d7
[INFO] validating manifest of FauxFaux/tyrant-decr on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FauxFaux/tyrant-decr on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FauxFaux/tyrant-decr
[INFO] finished frobbing FauxFaux/tyrant-decr
[INFO] frobbed toml for FauxFaux/tyrant-decr written to work/ex/beta-1.37-6/sources/1.36.0/gh/FauxFaux/tyrant-decr/Cargo.toml
[INFO] started frobbing FauxFaux/tyrant-decr
[INFO] finished frobbing FauxFaux/tyrant-decr
[INFO] frobbed toml for FauxFaux/tyrant-decr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr/Cargo.toml
[INFO] crate FauxFaux/tyrant-decr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FauxFaux/tyrant-decr against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 52b3989817e5e96fa9c445ecf0bce82eb1ee7fec1eb7bfe59aa73942b8c096d9
[INFO] running `"docker" "start" "-a" "52b3989817e5e96fa9c445ecf0bce82eb1ee7fec1eb7bfe59aa73942b8c096d9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling decr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.09s
[INFO] running `"docker" "inspect" "52b3989817e5e96fa9c445ecf0bce82eb1ee7fec1eb7bfe59aa73942b8c096d9"`
[INFO] running `"docker" "rm" "-f" "52b3989817e5e96fa9c445ecf0bce82eb1ee7fec1eb7bfe59aa73942b8c096d9"`
[INFO] [stdout] 52b3989817e5e96fa9c445ecf0bce82eb1ee7fec1eb7bfe59aa73942b8c096d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b894f1cbb9fa37166724a47ab086d98d174cfe0cfd68f8d94b0d48190d24183d
[INFO] running `"docker" "start" "-a" "b894f1cbb9fa37166724a47ab086d98d174cfe0cfd68f8d94b0d48190d24183d"`
[INFO] [stderr]    Compiling decr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "b894f1cbb9fa37166724a47ab086d98d174cfe0cfd68f8d94b0d48190d24183d"`
[INFO] running `"docker" "rm" "-f" "b894f1cbb9fa37166724a47ab086d98d174cfe0cfd68f8d94b0d48190d24183d"`
[INFO] [stdout] b894f1cbb9fa37166724a47ab086d98d174cfe0cfd68f8d94b0d48190d24183d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FauxFaux/tyrant-decr:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 28c6e3f2fae70a9c755a94ebc3fb4e049ebde47327f36cf1c195d87fdfe69c78
[INFO] running `"docker" "start" "-a" "28c6e3f2fae70a9c755a94ebc3fb4e049ebde47327f36cf1c195d87fdfe69c78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/decr-acead92471c1e989
[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" "28c6e3f2fae70a9c755a94ebc3fb4e049ebde47327f36cf1c195d87fdfe69c78"`
[INFO] running `"docker" "rm" "-f" "28c6e3f2fae70a9c755a94ebc3fb4e049ebde47327f36cf1c195d87fdfe69c78"`
[INFO] [stdout] 28c6e3f2fae70a9c755a94ebc3fb4e049ebde47327f36cf1c195d87fdfe69c78