[INFO] updating cached repository TinyBuilder/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TinyBuilder/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TinyBuilder/rust-practice" "work/ex/beta-1.37-6/sources/1.36.0/gh/TinyBuilder/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/TinyBuilder/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TinyBuilder/rust-practice" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TinyBuilder/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TinyBuilder/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4015aefeda896c4cfca8720c794334a3501c48b
[INFO] sha for GitHub repo TinyBuilder/rust-practice: b4015aefeda896c4cfca8720c794334a3501c48b
[INFO] validating manifest of TinyBuilder/rust-practice 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 TinyBuilder/rust-practice 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 TinyBuilder/rust-practice
[INFO] finished frobbing TinyBuilder/rust-practice
[INFO] frobbed toml for TinyBuilder/rust-practice written to work/ex/beta-1.37-6/sources/1.36.0/gh/TinyBuilder/rust-practice/Cargo.toml
[INFO] started frobbing TinyBuilder/rust-practice
[INFO] finished frobbing TinyBuilder/rust-practice
[INFO] frobbed toml for TinyBuilder/rust-practice written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/TinyBuilder/rust-practice/Cargo.toml
[INFO] crate TinyBuilder/rust-practice 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing TinyBuilder/rust-practice 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-7/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/TinyBuilder/rust-practice:/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] 71774b29345006daa0e277c6314fe94d62823ab4d40021c766ad224017de1b6f
[INFO] running `"docker" "start" "-a" "71774b29345006daa0e277c6314fe94d62823ab4d40021c766ad224017de1b6f"`
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.86s
[INFO] running `"docker" "inspect" "71774b29345006daa0e277c6314fe94d62823ab4d40021c766ad224017de1b6f"`
[INFO] running `"docker" "rm" "-f" "71774b29345006daa0e277c6314fe94d62823ab4d40021c766ad224017de1b6f"`
[INFO] [stdout] 71774b29345006daa0e277c6314fe94d62823ab4d40021c766ad224017de1b6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/TinyBuilder/rust-practice:/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] 9f1e2364a4196104819f16dbd81d219c06c97ad430a8aa3fa1e228a9f915200a
[INFO] running `"docker" "start" "-a" "9f1e2364a4196104819f16dbd81d219c06c97ad430a8aa3fa1e228a9f915200a"`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "9f1e2364a4196104819f16dbd81d219c06c97ad430a8aa3fa1e228a9f915200a"`
[INFO] running `"docker" "rm" "-f" "9f1e2364a4196104819f16dbd81d219c06c97ad430a8aa3fa1e228a9f915200a"`
[INFO] [stdout] 9f1e2364a4196104819f16dbd81d219c06c97ad430a8aa3fa1e228a9f915200a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/TinyBuilder/rust-practice:/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] 14a31e80d1ed5ced62c04b81036b51e9b77cbfd3313548c649b8a7c9a1c52cbc
[INFO] running `"docker" "start" "-a" "14a31e80d1ed5ced62c04b81036b51e9b77cbfd3313548c649b8a7c9a1c52cbc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/server-b9a5d73f850938bf
[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" "14a31e80d1ed5ced62c04b81036b51e9b77cbfd3313548c649b8a7c9a1c52cbc"`
[INFO] running `"docker" "rm" "-f" "14a31e80d1ed5ced62c04b81036b51e9b77cbfd3313548c649b8a7c9a1c52cbc"`
[INFO] [stdout] 14a31e80d1ed5ced62c04b81036b51e9b77cbfd3313548c649b8a7c9a1c52cbc