[INFO] updating cached repository euclidr/something-about-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/euclidr/something-about-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/something-about-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/something-about-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 409c6a0747568c894123729e32f894c69bc2390e
[INFO] sha for GitHub repo euclidr/something-about-rust: 409c6a0747568c894123729e32f894c69bc2390e
[INFO] validating manifest of euclidr/something-about-rust 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 euclidr/something-about-rust 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 euclidr/something-about-rust
[INFO] removed workspace from euclidr/something-about-rust
[INFO] finished frobbing euclidr/something-about-rust
[INFO] frobbed toml for euclidr/something-about-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust/Cargo.toml
[INFO] started frobbing euclidr/something-about-rust
[INFO] removed workspace from euclidr/something-about-rust
[INFO] finished frobbing euclidr/something-about-rust
[INFO] frobbed toml for euclidr/something-about-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust/Cargo.toml
[INFO] crate euclidr/something-about-rust 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 euclidr/something-about-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 59f13b859c19b32034aa8736fddf11e60c49c369fcd2ede38ce36b1709bc270c
[INFO] running `"docker" "start" "-a" "59f13b859c19b32034aa8736fddf11e60c49c369fcd2ede38ce36b1709bc270c"`
[INFO] [stderr]    Compiling something-about-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "59f13b859c19b32034aa8736fddf11e60c49c369fcd2ede38ce36b1709bc270c"`
[INFO] running `"docker" "rm" "-f" "59f13b859c19b32034aa8736fddf11e60c49c369fcd2ede38ce36b1709bc270c"`
[INFO] [stdout] 59f13b859c19b32034aa8736fddf11e60c49c369fcd2ede38ce36b1709bc270c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3521733a458642f0153efa1b62a8e161e9ed5caff38e74b8a2f2072a9f7ad91a
[INFO] running `"docker" "start" "-a" "3521733a458642f0153efa1b62a8e161e9ed5caff38e74b8a2f2072a9f7ad91a"`
[INFO] [stderr]    Compiling something-about-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "3521733a458642f0153efa1b62a8e161e9ed5caff38e74b8a2f2072a9f7ad91a"`
[INFO] running `"docker" "rm" "-f" "3521733a458642f0153efa1b62a8e161e9ed5caff38e74b8a2f2072a9f7ad91a"`
[INFO] [stdout] 3521733a458642f0153efa1b62a8e161e9ed5caff38e74b8a2f2072a9f7ad91a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 70c4445874054d8e95518ec7d1b2890cfadb652bea4890146d008980db4710f1
[INFO] running `"docker" "start" "-a" "70c4445874054d8e95518ec7d1b2890cfadb652bea4890146d008980db4710f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/something_about_rust-0d94e3a147429e95
[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" "70c4445874054d8e95518ec7d1b2890cfadb652bea4890146d008980db4710f1"`
[INFO] running `"docker" "rm" "-f" "70c4445874054d8e95518ec7d1b2890cfadb652bea4890146d008980db4710f1"`
[INFO] [stdout] 70c4445874054d8e95518ec7d1b2890cfadb652bea4890146d008980db4710f1