[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-1.38-1/sources/1.37.0/gh/ptgroup/polsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ptgroup/polsim-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ptgroup/polsim-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ptgroup/polsim-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ptgroup/polsim-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 ptgroup/polsim-rs
[INFO] finished frobbing ptgroup/polsim-rs
[INFO] frobbed toml for ptgroup/polsim-rs written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ptgroup/polsim-rs 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-0/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bfb68b0359375b816235b7b00c8a3d246511ebbb1b3c776e83b2b08e703cf85e
[INFO] running `"docker" "start" "-a" "bfb68b0359375b816235b7b00c8a3d246511ebbb1b3c776e83b2b08e703cf85e"`
[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 18.42s
[INFO] running `"docker" "inspect" "bfb68b0359375b816235b7b00c8a3d246511ebbb1b3c776e83b2b08e703cf85e"`
[INFO] running `"docker" "rm" "-f" "bfb68b0359375b816235b7b00c8a3d246511ebbb1b3c776e83b2b08e703cf85e"`
[INFO] [stdout] bfb68b0359375b816235b7b00c8a3d246511ebbb1b3c776e83b2b08e703cf85e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e9ea49f48b05597e91827e48313d6ec34982c42ec6c99a35edb10b7268ae04ae
[INFO] running `"docker" "start" "-a" "e9ea49f48b05597e91827e48313d6ec34982c42ec6c99a35edb10b7268ae04ae"`
[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 0.81s
[INFO] running `"docker" "inspect" "e9ea49f48b05597e91827e48313d6ec34982c42ec6c99a35edb10b7268ae04ae"`
[INFO] running `"docker" "rm" "-f" "e9ea49f48b05597e91827e48313d6ec34982c42ec6c99a35edb10b7268ae04ae"`
[INFO] [stdout] e9ea49f48b05597e91827e48313d6ec34982c42ec6c99a35edb10b7268ae04ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 74b1ed4cfba122d57fd93cadaf06728e5688b6f3c8587b376698baace682d53d
[INFO] running `"docker" "start" "-a" "74b1ed4cfba122d57fd93cadaf06728e5688b6f3c8587b376698baace682d53d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polsim_rs-fc969752406665e1
[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" "74b1ed4cfba122d57fd93cadaf06728e5688b6f3c8587b376698baace682d53d"`
[INFO] running `"docker" "rm" "-f" "74b1ed4cfba122d57fd93cadaf06728e5688b6f3c8587b376698baace682d53d"`
[INFO] [stdout] 74b1ed4cfba122d57fd93cadaf06728e5688b6f3c8587b376698baace682d53d