[INFO] updating cached repository rust-playground/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-playground/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-playground/guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-playground/guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-playground/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-playground/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4671129fbda24f5eca7354636c0ddd2fde9e7cb
[INFO] sha for GitHub repo rust-playground/guessing-game: c4671129fbda24f5eca7354636c0ddd2fde9e7cb
[INFO] validating manifest of rust-playground/guessing-game 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 rust-playground/guessing-game 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 rust-playground/guessing-game
[INFO] finished frobbing rust-playground/guessing-game
[INFO] frobbed toml for rust-playground/guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game/Cargo.toml
[INFO] started frobbing rust-playground/guessing-game
[INFO] finished frobbing rust-playground/guessing-game
[INFO] frobbed toml for rust-playground/guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-playground/guessing-game/Cargo.toml
[INFO] crate rust-playground/guessing-game 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 rust-playground/guessing-game 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game:/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] a37bbcdfce366272b6fd35170cb7edeb2804b304b1877e138034638b161fe368
[INFO] running `"docker" "start" "-a" "a37bbcdfce366272b6fd35170cb7edeb2804b304b1877e138034638b161fe368"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "a37bbcdfce366272b6fd35170cb7edeb2804b304b1877e138034638b161fe368"`
[INFO] running `"docker" "rm" "-f" "a37bbcdfce366272b6fd35170cb7edeb2804b304b1877e138034638b161fe368"`
[INFO] [stdout] a37bbcdfce366272b6fd35170cb7edeb2804b304b1877e138034638b161fe368
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game:/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] 0c73251d060f196172d2392f34a0f26098ac842aff352163167c4b3d3d4025c1
[INFO] running `"docker" "start" "-a" "0c73251d060f196172d2392f34a0f26098ac842aff352163167c4b3d3d4025c1"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "0c73251d060f196172d2392f34a0f26098ac842aff352163167c4b3d3d4025c1"`
[INFO] running `"docker" "rm" "-f" "0c73251d060f196172d2392f34a0f26098ac842aff352163167c4b3d3d4025c1"`
[INFO] [stdout] 0c73251d060f196172d2392f34a0f26098ac842aff352163167c4b3d3d4025c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rust-playground/guessing-game:/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] 161f04264bc107bf0813ed656ccaf81c4796a6070b6406b42dd8eb200b4566a9
[INFO] running `"docker" "start" "-a" "161f04264bc107bf0813ed656ccaf81c4796a6070b6406b42dd8eb200b4566a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-04e3ca67c31179fe
[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" "161f04264bc107bf0813ed656ccaf81c4796a6070b6406b42dd8eb200b4566a9"`
[INFO] running `"docker" "rm" "-f" "161f04264bc107bf0813ed656ccaf81c4796a6070b6406b42dd8eb200b4566a9"`
[INFO] [stdout] 161f04264bc107bf0813ed656ccaf81c4796a6070b6406b42dd8eb200b4566a9