[INFO] updating cached repository bradtraversy/rust_sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bradtraversy/rust_sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bradtraversy/rust_sandbox" "work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bradtraversy/rust_sandbox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bradtraversy/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bradtraversy/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c83e284b0e81ce3971ef6fb6bdc436fae08d7af8
[INFO] sha for GitHub repo bradtraversy/rust_sandbox: c83e284b0e81ce3971ef6fb6bdc436fae08d7af8
[INFO] validating manifest of bradtraversy/rust_sandbox 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 bradtraversy/rust_sandbox 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 bradtraversy/rust_sandbox
[INFO] finished frobbing bradtraversy/rust_sandbox
[INFO] frobbed toml for bradtraversy/rust_sandbox written to work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox/Cargo.toml
[INFO] started frobbing bradtraversy/rust_sandbox
[INFO] finished frobbing bradtraversy/rust_sandbox
[INFO] frobbed toml for bradtraversy/rust_sandbox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bradtraversy/rust_sandbox/Cargo.toml
[INFO] crate bradtraversy/rust_sandbox 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 bradtraversy/rust_sandbox against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c0014b531afa427bb63b6f7c4d6736bd22dbe2609dcd225f1ec0e405dbd86703
[INFO] running `"docker" "start" "-a" "c0014b531afa427bb63b6f7c4d6736bd22dbe2609dcd225f1ec0e405dbd86703"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "c0014b531afa427bb63b6f7c4d6736bd22dbe2609dcd225f1ec0e405dbd86703"`
[INFO] running `"docker" "rm" "-f" "c0014b531afa427bb63b6f7c4d6736bd22dbe2609dcd225f1ec0e405dbd86703"`
[INFO] [stdout] c0014b531afa427bb63b6f7c4d6736bd22dbe2609dcd225f1ec0e405dbd86703
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 02e44b8829e4977204218866704ee33c04499af5324f638c4766383360e77cbb
[INFO] running `"docker" "start" "-a" "02e44b8829e4977204218866704ee33c04499af5324f638c4766383360e77cbb"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "02e44b8829e4977204218866704ee33c04499af5324f638c4766383360e77cbb"`
[INFO] running `"docker" "rm" "-f" "02e44b8829e4977204218866704ee33c04499af5324f638c4766383360e77cbb"`
[INFO] [stdout] 02e44b8829e4977204218866704ee33c04499af5324f638c4766383360e77cbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bradtraversy/rust_sandbox:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2df57d4f227406ec4ba6d6a5ba40bf415f3c42072bd6b8631f4ee4bb1fbcb1a3
[INFO] running `"docker" "start" "-a" "2df57d4f227406ec4ba6d6a5ba40bf415f3c42072bd6b8631f4ee4bb1fbcb1a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-36dc9187c31c599e
[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" "2df57d4f227406ec4ba6d6a5ba40bf415f3c42072bd6b8631f4ee4bb1fbcb1a3"`
[INFO] running `"docker" "rm" "-f" "2df57d4f227406ec4ba6d6a5ba40bf415f3c42072bd6b8631f4ee4bb1fbcb1a3"`
[INFO] [stdout] 2df57d4f227406ec4ba6d6a5ba40bf415f3c42072bd6b8631f4ee4bb1fbcb1a3