[INFO] updating cached repository Masterchef365/charge_toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Masterchef365/charge_toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Masterchef365/charge_toy" "work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Masterchef365/charge_toy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Masterchef365/charge_toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Masterchef365/charge_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba18e4455f5da677d701300c77ea4865757f0c91
[INFO] sha for GitHub repo Masterchef365/charge_toy: ba18e4455f5da677d701300c77ea4865757f0c91
[INFO] validating manifest of Masterchef365/charge_toy 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 Masterchef365/charge_toy 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 Masterchef365/charge_toy
[INFO] finished frobbing Masterchef365/charge_toy
[INFO] frobbed toml for Masterchef365/charge_toy written to work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy/Cargo.toml
[INFO] started frobbing Masterchef365/charge_toy
[INFO] finished frobbing Masterchef365/charge_toy
[INFO] frobbed toml for Masterchef365/charge_toy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Masterchef365/charge_toy/Cargo.toml
[INFO] crate Masterchef365/charge_toy 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Masterchef365/charge_toy 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy:/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] 0b5fdf50a931c759120a2dc012285988676ea5d39b9d9cf52499fee707289d84
[INFO] running `"docker" "start" "-a" "0b5fdf50a931c759120a2dc012285988676ea5d39b9d9cf52499fee707289d84"`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling glium v0.25.0
[INFO] [stderr]    Compiling electrical_charge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "0b5fdf50a931c759120a2dc012285988676ea5d39b9d9cf52499fee707289d84"`
[INFO] running `"docker" "rm" "-f" "0b5fdf50a931c759120a2dc012285988676ea5d39b9d9cf52499fee707289d84"`
[INFO] [stdout] 0b5fdf50a931c759120a2dc012285988676ea5d39b9d9cf52499fee707289d84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy:/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] ef3ac7619b84248c379e9cfd94efd90db8310bfd02bb41c56779790ceddbedcb
[INFO] running `"docker" "start" "-a" "ef3ac7619b84248c379e9cfd94efd90db8310bfd02bb41c56779790ceddbedcb"`
[INFO] [stderr]    Compiling electrical_charge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "ef3ac7619b84248c379e9cfd94efd90db8310bfd02bb41c56779790ceddbedcb"`
[INFO] running `"docker" "rm" "-f" "ef3ac7619b84248c379e9cfd94efd90db8310bfd02bb41c56779790ceddbedcb"`
[INFO] [stdout] ef3ac7619b84248c379e9cfd94efd90db8310bfd02bb41c56779790ceddbedcb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Masterchef365/charge_toy:/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] 834add6f24cb7412dd983ad2247faf6a659ff5ce5a393cb72058386afaf3a247
[INFO] running `"docker" "start" "-a" "834add6f24cb7412dd983ad2247faf6a659ff5ce5a393cb72058386afaf3a247"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/electrical_charge-8f4d3fac5becb8bf
[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" "834add6f24cb7412dd983ad2247faf6a659ff5ce5a393cb72058386afaf3a247"`
[INFO] running `"docker" "rm" "-f" "834add6f24cb7412dd983ad2247faf6a659ff5ce5a393cb72058386afaf3a247"`
[INFO] [stdout] 834add6f24cb7412dd983ad2247faf6a659ff5ce5a393cb72058386afaf3a247