[INFO] updating cached repository justicz/tlstoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justicz/tlstoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justicz/tlstoy" "work/ex/beta-1.38-1/sources/1.37.0/gh/justicz/tlstoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justicz/tlstoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justicz/tlstoy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justicz/tlstoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justicz/tlstoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10fa09eb820398c0a5236c016fe64ac4346abeae
[INFO] sha for GitHub repo justicz/tlstoy: 10fa09eb820398c0a5236c016fe64ac4346abeae
[INFO] validating manifest of justicz/tlstoy 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 justicz/tlstoy 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 justicz/tlstoy
[INFO] finished frobbing justicz/tlstoy
[INFO] frobbed toml for justicz/tlstoy written to work/ex/beta-1.38-1/sources/1.37.0/gh/justicz/tlstoy/Cargo.toml
[INFO] started frobbing justicz/tlstoy
[INFO] finished frobbing justicz/tlstoy
[INFO] frobbed toml for justicz/tlstoy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justicz/tlstoy/Cargo.toml
[INFO] crate justicz/tlstoy 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 justicz/tlstoy 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-3/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/justicz/tlstoy:/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] 969ea3a562fbb8a865b8d06b395aa3bcc68407310f4a70a436759b7bc1cbcf8a
[INFO] running `"docker" "start" "-a" "969ea3a562fbb8a865b8d06b395aa3bcc68407310f4a70a436759b7bc1cbcf8a"`
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling tlstoy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "969ea3a562fbb8a865b8d06b395aa3bcc68407310f4a70a436759b7bc1cbcf8a"`
[INFO] running `"docker" "rm" "-f" "969ea3a562fbb8a865b8d06b395aa3bcc68407310f4a70a436759b7bc1cbcf8a"`
[INFO] [stdout] 969ea3a562fbb8a865b8d06b395aa3bcc68407310f4a70a436759b7bc1cbcf8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/justicz/tlstoy:/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] 36c4681e3b4e06e27320741c85be37c061e8e9032d238e9e4b18fea1773a56c9
[INFO] running `"docker" "start" "-a" "36c4681e3b4e06e27320741c85be37c061e8e9032d238e9e4b18fea1773a56c9"`
[INFO] [stderr]    Compiling tlstoy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "36c4681e3b4e06e27320741c85be37c061e8e9032d238e9e4b18fea1773a56c9"`
[INFO] running `"docker" "rm" "-f" "36c4681e3b4e06e27320741c85be37c061e8e9032d238e9e4b18fea1773a56c9"`
[INFO] [stdout] 36c4681e3b4e06e27320741c85be37c061e8e9032d238e9e4b18fea1773a56c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/justicz/tlstoy:/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] 89871ccca5ac042fda48191a62c21710cad0de874fb5f8f7cfa3ab1c220a0f20
[INFO] running `"docker" "start" "-a" "89871ccca5ac042fda48191a62c21710cad0de874fb5f8f7cfa3ab1c220a0f20"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tlstoy-dade66a73a24d10c
[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" "89871ccca5ac042fda48191a62c21710cad0de874fb5f8f7cfa3ab1c220a0f20"`
[INFO] running `"docker" "rm" "-f" "89871ccca5ac042fda48191a62c21710cad0de874fb5f8f7cfa3ab1c220a0f20"`
[INFO] [stdout] 89871ccca5ac042fda48191a62c21710cad0de874fb5f8f7cfa3ab1c220a0f20