[INFO] updating cached repository ptgroup/polsim-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ptgroup/polsim-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ptgroup/polsim-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/ptgroup/polsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ptgroup/polsim-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ptgroup/polsim-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ptgroup/polsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ptgroup/polsim-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91cabbb235022c49145f9067e4056462c52068f1
[INFO] sha for GitHub repo ptgroup/polsim-rs: 91cabbb235022c49145f9067e4056462c52068f1
[INFO] validating manifest of ptgroup/polsim-rs 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 ptgroup/polsim-rs 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 ptgroup/polsim-rs
[INFO] finished frobbing ptgroup/polsim-rs
[INFO] frobbed toml for ptgroup/polsim-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/ptgroup/polsim-rs/Cargo.toml
[INFO] started frobbing ptgroup/polsim-rs
[INFO] finished frobbing ptgroup/polsim-rs
[INFO] frobbed toml for ptgroup/polsim-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ptgroup/polsim-rs/Cargo.toml
[INFO] crate ptgroup/polsim-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ptgroup/polsim-rs 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-2/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/ptgroup/polsim-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d1cd37aacba39d6d690a301e9a8f0914708f3437f219f0f34220037356d6347b
[INFO] running `"docker" "start" "-a" "d1cd37aacba39d6d690a301e9a8f0914708f3437f219f0f34220037356d6347b"`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling polsim-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.84s
[INFO] running `"docker" "inspect" "d1cd37aacba39d6d690a301e9a8f0914708f3437f219f0f34220037356d6347b"`
[INFO] running `"docker" "rm" "-f" "d1cd37aacba39d6d690a301e9a8f0914708f3437f219f0f34220037356d6347b"`
[INFO] [stdout] d1cd37aacba39d6d690a301e9a8f0914708f3437f219f0f34220037356d6347b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ptgroup/polsim-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ed964847bc4da716dfec285e5e7100f9bc116030c7e8f5a3772464d7ec65fd8
[INFO] running `"docker" "start" "-a" "4ed964847bc4da716dfec285e5e7100f9bc116030c7e8f5a3772464d7ec65fd8"`
[INFO] [stderr]    Compiling polsim-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut output: Box<Write> = match prompt("Output file name (leave blank for stdout):")?
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "4ed964847bc4da716dfec285e5e7100f9bc116030c7e8f5a3772464d7ec65fd8"`
[INFO] running `"docker" "rm" "-f" "4ed964847bc4da716dfec285e5e7100f9bc116030c7e8f5a3772464d7ec65fd8"`
[INFO] [stdout] 4ed964847bc4da716dfec285e5e7100f9bc116030c7e8f5a3772464d7ec65fd8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ptgroup/polsim-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4aeeecbe3a620d3bfe83c06e046e63b8a4096080bbd0a2d0893da04f64d070a1
[INFO] running `"docker" "start" "-a" "4aeeecbe3a620d3bfe83c06e046e63b8a4096080bbd0a2d0893da04f64d070a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polsim_rs-942fc85c3ad4d6be
[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" "4aeeecbe3a620d3bfe83c06e046e63b8a4096080bbd0a2d0893da04f64d070a1"`
[INFO] running `"docker" "rm" "-f" "4aeeecbe3a620d3bfe83c06e046e63b8a4096080bbd0a2d0893da04f64d070a1"`
[INFO] [stdout] 4aeeecbe3a620d3bfe83c06e046e63b8a4096080bbd0a2d0893da04f64d070a1