[INFO] updating cached repository tekerson/silent_killer.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tekerson/silent_killer.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tekerson/silent_killer.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tekerson/silent_killer.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tekerson/silent_killer.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tekerson/silent_killer.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bed00455e4c17bb6559489781bce2a96a4f18f05
[INFO] sha for GitHub repo tekerson/silent_killer.rs: bed00455e4c17bb6559489781bce2a96a4f18f05
[INFO] validating manifest of tekerson/silent_killer.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 tekerson/silent_killer.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 tekerson/silent_killer.rs
[INFO] finished frobbing tekerson/silent_killer.rs
[INFO] frobbed toml for tekerson/silent_killer.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.rs/Cargo.toml
[INFO] started frobbing tekerson/silent_killer.rs
[INFO] finished frobbing tekerson/silent_killer.rs
[INFO] frobbed toml for tekerson/silent_killer.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tekerson/silent_killer.rs/Cargo.toml
[INFO] crate tekerson/silent_killer.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] [stderr]     Blocking waiting for file lock on package cache
[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 tekerson/silent_killer.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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.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] ab9551cddd9287b9d7b1060f086e27fdb9bef3d54a46b442a8d63eb9fc261823
[INFO] running `"docker" "start" "-a" "ab9551cddd9287b9d7b1060f086e27fdb9bef3d54a46b442a8d63eb9fc261823"`
[INFO] [stderr]    Compiling silent_killer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "ab9551cddd9287b9d7b1060f086e27fdb9bef3d54a46b442a8d63eb9fc261823"`
[INFO] running `"docker" "rm" "-f" "ab9551cddd9287b9d7b1060f086e27fdb9bef3d54a46b442a8d63eb9fc261823"`
[INFO] [stdout] ab9551cddd9287b9d7b1060f086e27fdb9bef3d54a46b442a8d63eb9fc261823
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.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] 1f918ac5b7c7885c5c309787de6f0ff395424f8b303f6f4cf1c1d360fffa6e20
[INFO] running `"docker" "start" "-a" "1f918ac5b7c7885c5c309787de6f0ff395424f8b303f6f4cf1c1d360fffa6e20"`
[INFO] [stderr]    Compiling silent_killer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "1f918ac5b7c7885c5c309787de6f0ff395424f8b303f6f4cf1c1d360fffa6e20"`
[INFO] running `"docker" "rm" "-f" "1f918ac5b7c7885c5c309787de6f0ff395424f8b303f6f4cf1c1d360fffa6e20"`
[INFO] [stdout] 1f918ac5b7c7885c5c309787de6f0ff395424f8b303f6f4cf1c1d360fffa6e20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tekerson/silent_killer.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] 6fbcfef48d0cf822a50bf6f7337c896b28434f9a683be99678085efc3855bc02
[INFO] running `"docker" "start" "-a" "6fbcfef48d0cf822a50bf6f7337c896b28434f9a683be99678085efc3855bc02"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/silent_killer-062148c8e0cbc027
[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" "6fbcfef48d0cf822a50bf6f7337c896b28434f9a683be99678085efc3855bc02"`
[INFO] running `"docker" "rm" "-f" "6fbcfef48d0cf822a50bf6f7337c896b28434f9a683be99678085efc3855bc02"`
[INFO] [stdout] 6fbcfef48d0cf822a50bf6f7337c896b28434f9a683be99678085efc3855bc02