[INFO] updating cached repository rahmanfadhil/learn-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rahmanfadhil/learn-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rahmanfadhil/learn-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/rahmanfadhil/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rahmanfadhil/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rahmanfadhil/learn-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rahmanfadhil/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rahmanfadhil/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b33953f4bd6d572533f05cce038cd398acc36549
[INFO] sha for GitHub repo rahmanfadhil/learn-rust: b33953f4bd6d572533f05cce038cd398acc36549
[INFO] validating manifest of rahmanfadhil/learn-rust 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 rahmanfadhil/learn-rust 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 rahmanfadhil/learn-rust
[INFO] finished frobbing rahmanfadhil/learn-rust
[INFO] frobbed toml for rahmanfadhil/learn-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/rahmanfadhil/learn-rust/Cargo.toml
[INFO] started frobbing rahmanfadhil/learn-rust
[INFO] finished frobbing rahmanfadhil/learn-rust
[INFO] frobbed toml for rahmanfadhil/learn-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rahmanfadhil/learn-rust/Cargo.toml
[INFO] crate rahmanfadhil/learn-rust 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 rahmanfadhil/learn-rust 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/rahmanfadhil/learn-rust:/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] 38bac5f30d61b67ab2e538bf5296383d6767fd6a651aec2601f16ae9b4ded381
[INFO] running `"docker" "start" "-a" "38bac5f30d61b67ab2e538bf5296383d6767fd6a651aec2601f16ae9b4ded381"`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "38bac5f30d61b67ab2e538bf5296383d6767fd6a651aec2601f16ae9b4ded381"`
[INFO] running `"docker" "rm" "-f" "38bac5f30d61b67ab2e538bf5296383d6767fd6a651aec2601f16ae9b4ded381"`
[INFO] [stdout] 38bac5f30d61b67ab2e538bf5296383d6767fd6a651aec2601f16ae9b4ded381
[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/rahmanfadhil/learn-rust:/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] 2c5409c4a8ead7f5de76ae495219210c9d4e5abe433a6526e08e4267f889f6f8
[INFO] running `"docker" "start" "-a" "2c5409c4a8ead7f5de76ae495219210c9d4e5abe433a6526e08e4267f889f6f8"`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "2c5409c4a8ead7f5de76ae495219210c9d4e5abe433a6526e08e4267f889f6f8"`
[INFO] running `"docker" "rm" "-f" "2c5409c4a8ead7f5de76ae495219210c9d4e5abe433a6526e08e4267f889f6f8"`
[INFO] [stdout] 2c5409c4a8ead7f5de76ae495219210c9d4e5abe433a6526e08e4267f889f6f8
[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/rahmanfadhil/learn-rust:/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] 2486a08b05c573a368369215d2947e4b222bf2eab66b75db76a84bf0c4f7c5dd
[INFO] running `"docker" "start" "-a" "2486a08b05c573a368369215d2947e4b222bf2eab66b75db76a84bf0c4f7c5dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-e9c370e6bee20d44
[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" "2486a08b05c573a368369215d2947e4b222bf2eab66b75db76a84bf0c4f7c5dd"`
[INFO] running `"docker" "rm" "-f" "2486a08b05c573a368369215d2947e4b222bf2eab66b75db76a84bf0c4f7c5dd"`
[INFO] [stdout] 2486a08b05c573a368369215d2947e4b222bf2eab66b75db76a84bf0c4f7c5dd