[INFO] updating cached repository Idolf/syscall-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Idolf/syscall-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Idolf/syscall-challenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/Idolf/syscall-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Idolf/syscall-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Idolf/syscall-challenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Idolf/syscall-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Idolf/syscall-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec63f361e67560791d5209106eeac6ea40df8023
[INFO] sha for GitHub repo Idolf/syscall-challenge: ec63f361e67560791d5209106eeac6ea40df8023
[INFO] validating manifest of Idolf/syscall-challenge 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 Idolf/syscall-challenge 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 Idolf/syscall-challenge
[INFO] finished frobbing Idolf/syscall-challenge
[INFO] frobbed toml for Idolf/syscall-challenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/Idolf/syscall-challenge/Cargo.toml
[INFO] started frobbing Idolf/syscall-challenge
[INFO] finished frobbing Idolf/syscall-challenge
[INFO] frobbed toml for Idolf/syscall-challenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Idolf/syscall-challenge/Cargo.toml
[INFO] crate Idolf/syscall-challenge 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 Idolf/syscall-challenge 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/Idolf/syscall-challenge:/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] fc444bd419927c416eb753f696cdd020cd3b2ece228ce262bf5b98d43e4e9981
[INFO] running `"docker" "start" "-a" "fc444bd419927c416eb753f696cdd020cd3b2ece228ce262bf5b98d43e4e9981"`
[INFO] [stderr]    Compiling libc v0.2.20 (https://github.com/rust-lang/libc#bce927b3)
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling ipc-channel v0.6.0
[INFO] [stderr]    Compiling nix v0.8.0 (https://github.com/Idolf/nix.git?branch=ptrace-stuff#65f0d512)
[INFO] [stderr]    Compiling syscall-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `"docker" "inspect" "fc444bd419927c416eb753f696cdd020cd3b2ece228ce262bf5b98d43e4e9981"`
[INFO] running `"docker" "rm" "-f" "fc444bd419927c416eb753f696cdd020cd3b2ece228ce262bf5b98d43e4e9981"`
[INFO] [stdout] fc444bd419927c416eb753f696cdd020cd3b2ece228ce262bf5b98d43e4e9981
[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/Idolf/syscall-challenge:/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] db62e2ef3a825159f0d8136fe04fbb7eef9b56e25fb99727d9a82e516564a1a5
[INFO] running `"docker" "start" "-a" "db62e2ef3a825159f0d8136fe04fbb7eef9b56e25fb99727d9a82e516564a1a5"`
[INFO] [stderr]    Compiling syscall-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "db62e2ef3a825159f0d8136fe04fbb7eef9b56e25fb99727d9a82e516564a1a5"`
[INFO] running `"docker" "rm" "-f" "db62e2ef3a825159f0d8136fe04fbb7eef9b56e25fb99727d9a82e516564a1a5"`
[INFO] [stdout] db62e2ef3a825159f0d8136fe04fbb7eef9b56e25fb99727d9a82e516564a1a5
[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/Idolf/syscall-challenge:/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] 13faa34941ef762bab1353b960abafa34e973e10518530c4c6dfb6f9226756fd
[INFO] running `"docker" "start" "-a" "13faa34941ef762bab1353b960abafa34e973e10518530c4c6dfb6f9226756fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syscall_challenge-9feb54fc098a9ac0
[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" "13faa34941ef762bab1353b960abafa34e973e10518530c4c6dfb6f9226756fd"`
[INFO] running `"docker" "rm" "-f" "13faa34941ef762bab1353b960abafa34e973e10518530c4c6dfb6f9226756fd"`
[INFO] [stdout] 13faa34941ef762bab1353b960abafa34e973e10518530c4c6dfb6f9226756fd