[INFO] updating cached repository JohanBaskovec/learningrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohanBaskovec/learningrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohanBaskovec/learningrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohanBaskovec/learningrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohanBaskovec/learningrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohanBaskovec/learningrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5d50d3b2e16816e164e86b42e54e08a38d5e267
[INFO] sha for GitHub repo JohanBaskovec/learningrust: c5d50d3b2e16816e164e86b42e54e08a38d5e267
[INFO] validating manifest of JohanBaskovec/learningrust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JohanBaskovec/learningrust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JohanBaskovec/learningrust
[INFO] finished frobbing JohanBaskovec/learningrust
[INFO] frobbed toml for JohanBaskovec/learningrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust/Cargo.toml
[INFO] started frobbing JohanBaskovec/learningrust
[INFO] finished frobbing JohanBaskovec/learningrust
[INFO] frobbed toml for JohanBaskovec/learningrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohanBaskovec/learningrust/Cargo.toml
[INFO] crate JohanBaskovec/learningrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JohanBaskovec/learningrust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 488532d630ba1ead3745951bbb58ec63b6272e645c913ed24bc67c8fd6edc494
[INFO] running `"docker" "start" "-a" "488532d630ba1ead3745951bbb58ec63b6272e645c913ed24bc67c8fd6edc494"`
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "488532d630ba1ead3745951bbb58ec63b6272e645c913ed24bc67c8fd6edc494"`
[INFO] running `"docker" "rm" "-f" "488532d630ba1ead3745951bbb58ec63b6272e645c913ed24bc67c8fd6edc494"`
[INFO] [stdout] 488532d630ba1ead3745951bbb58ec63b6272e645c913ed24bc67c8fd6edc494
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c078625f7e5698dedfcaee2c149154075e63c741a14d6dc1ac0c53984b857d53
[INFO] running `"docker" "start" "-a" "c078625f7e5698dedfcaee2c149154075e63c741a14d6dc1ac0c53984b857d53"`
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "c078625f7e5698dedfcaee2c149154075e63c741a14d6dc1ac0c53984b857d53"`
[INFO] running `"docker" "rm" "-f" "c078625f7e5698dedfcaee2c149154075e63c741a14d6dc1ac0c53984b857d53"`
[INFO] [stdout] c078625f7e5698dedfcaee2c149154075e63c741a14d6dc1ac0c53984b857d53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohanBaskovec/learningrust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ad56b1140717772f8ac2c5443b5b224b51337de125e94f56f13e9ad334fd6857
[INFO] running `"docker" "start" "-a" "ad56b1140717772f8ac2c5443b5b224b51337de125e94f56f13e9ad334fd6857"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learningrust-09f82178ea9d4fc9
[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" "ad56b1140717772f8ac2c5443b5b224b51337de125e94f56f13e9ad334fd6857"`
[INFO] running `"docker" "rm" "-f" "ad56b1140717772f8ac2c5443b5b224b51337de125e94f56f13e9ad334fd6857"`
[INFO] [stdout] ad56b1140717772f8ac2c5443b5b224b51337de125e94f56f13e9ad334fd6857