[INFO] updating cached repository Buzov/StudyOfRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Buzov/StudyOfRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Buzov/StudyOfRust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Buzov/StudyOfRust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Buzov/StudyOfRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Buzov/StudyOfRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ae44673d4ef3f06b13dc85aa0da7c71309ce591
[INFO] sha for GitHub repo Buzov/StudyOfRust: 6ae44673d4ef3f06b13dc85aa0da7c71309ce591
[INFO] validating manifest of Buzov/StudyOfRust 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 Buzov/StudyOfRust 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 Buzov/StudyOfRust
[INFO] finished frobbing Buzov/StudyOfRust
[INFO] frobbed toml for Buzov/StudyOfRust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust/Cargo.toml
[INFO] started frobbing Buzov/StudyOfRust
[INFO] finished frobbing Buzov/StudyOfRust
[INFO] frobbed toml for Buzov/StudyOfRust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Buzov/StudyOfRust/Cargo.toml
[INFO] crate Buzov/StudyOfRust 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 Buzov/StudyOfRust 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust:/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] 2b742c134bf9ae52d68bb7558f77f478d868cdd984b7e533baf74636a09eb832
[INFO] running `"docker" "start" "-a" "2b742c134bf9ae52d68bb7558f77f478d868cdd984b7e533baf74636a09eb832"`
[INFO] [stderr]    Compiling StudyOfRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `StudyOfRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `study_of_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "2b742c134bf9ae52d68bb7558f77f478d868cdd984b7e533baf74636a09eb832"`
[INFO] running `"docker" "rm" "-f" "2b742c134bf9ae52d68bb7558f77f478d868cdd984b7e533baf74636a09eb832"`
[INFO] [stdout] 2b742c134bf9ae52d68bb7558f77f478d868cdd984b7e533baf74636a09eb832
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust:/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] 774e0d416b74ff733cf10a6f3d6d750d8b4cb43b1f5d09e4fb06e20ac31939e8
[INFO] running `"docker" "start" "-a" "774e0d416b74ff733cf10a6f3d6d750d8b4cb43b1f5d09e4fb06e20ac31939e8"`
[INFO] [stderr]    Compiling StudyOfRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `StudyOfRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `study_of_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "774e0d416b74ff733cf10a6f3d6d750d8b4cb43b1f5d09e4fb06e20ac31939e8"`
[INFO] running `"docker" "rm" "-f" "774e0d416b74ff733cf10a6f3d6d750d8b4cb43b1f5d09e4fb06e20ac31939e8"`
[INFO] [stdout] 774e0d416b74ff733cf10a6f3d6d750d8b4cb43b1f5d09e4fb06e20ac31939e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Buzov/StudyOfRust:/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] c4557f61cc1631e7343cfc4b127cc017ae08a6ec068fa9dfe86a6fe2da1ea82a
[INFO] running `"docker" "start" "-a" "c4557f61cc1631e7343cfc4b127cc017ae08a6ec068fa9dfe86a6fe2da1ea82a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/StudyOfRust-73a8ba28d833074b
[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" "c4557f61cc1631e7343cfc4b127cc017ae08a6ec068fa9dfe86a6fe2da1ea82a"`
[INFO] running `"docker" "rm" "-f" "c4557f61cc1631e7343cfc4b127cc017ae08a6ec068fa9dfe86a6fe2da1ea82a"`
[INFO] [stdout] c4557f61cc1631e7343cfc4b127cc017ae08a6ec068fa9dfe86a6fe2da1ea82a