[INFO] updating cached repository eeeeeta/matrix-extractor-hacky
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eeeeeta/matrix-extractor-hacky
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eeeeeta/matrix-extractor-hacky" "work/ex/beta-1.38-1/sources/1.37.0/gh/eeeeeta/matrix-extractor-hacky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/eeeeeta/matrix-extractor-hacky'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eeeeeta/matrix-extractor-hacky" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eeeeeta/matrix-extractor-hacky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eeeeeta/matrix-extractor-hacky'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd103cec72a3bd4913c49832df1d6a0cac1b31d
[INFO] sha for GitHub repo eeeeeta/matrix-extractor-hacky: 1dd103cec72a3bd4913c49832df1d6a0cac1b31d
[INFO] validating manifest of eeeeeta/matrix-extractor-hacky 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 eeeeeta/matrix-extractor-hacky 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 eeeeeta/matrix-extractor-hacky
[INFO] finished frobbing eeeeeta/matrix-extractor-hacky
[INFO] frobbed toml for eeeeeta/matrix-extractor-hacky written to work/ex/beta-1.38-1/sources/1.37.0/gh/eeeeeta/matrix-extractor-hacky/Cargo.toml
[INFO] started frobbing eeeeeta/matrix-extractor-hacky
[INFO] finished frobbing eeeeeta/matrix-extractor-hacky
[INFO] frobbed toml for eeeeeta/matrix-extractor-hacky written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eeeeeta/matrix-extractor-hacky/Cargo.toml
[INFO] crate eeeeeta/matrix-extractor-hacky 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 eeeeeta/matrix-extractor-hacky 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-1/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/eeeeeta/matrix-extractor-hacky:/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] c8b3fbfb4999acb15530f168ee2483801378f1dbe637f1d6daee362900753901
[INFO] running `"docker" "start" "-a" "c8b3fbfb4999acb15530f168ee2483801378f1dbe637f1d6daee362900753901"`
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling gm-types v0.4.0 (https://github.com/eeeeeta/glitch-in-the-matrix?branch=horrible-hack-for-hacky-extractor#df20888f)
[INFO] [stderr]    Compiling matrix-extractor-hacky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let meta: Metadata = match ::serde_json::from_str(&rec.meta) {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_meta`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.36s
[INFO] running `"docker" "inspect" "c8b3fbfb4999acb15530f168ee2483801378f1dbe637f1d6daee362900753901"`
[INFO] running `"docker" "rm" "-f" "c8b3fbfb4999acb15530f168ee2483801378f1dbe637f1d6daee362900753901"`
[INFO] [stdout] c8b3fbfb4999acb15530f168ee2483801378f1dbe637f1d6daee362900753901
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/eeeeeta/matrix-extractor-hacky:/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] a0a5fea28c4e8e10e723cd094d64538571242761a0d97ca5f0c45c8118c22163
[INFO] running `"docker" "start" "-a" "a0a5fea28c4e8e10e723cd094d64538571242761a0d97ca5f0c45c8118c22163"`
[INFO] [stderr]    Compiling matrix-extractor-hacky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let meta: Metadata = match ::serde_json::from_str(&rec.meta) {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_meta`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "a0a5fea28c4e8e10e723cd094d64538571242761a0d97ca5f0c45c8118c22163"`
[INFO] running `"docker" "rm" "-f" "a0a5fea28c4e8e10e723cd094d64538571242761a0d97ca5f0c45c8118c22163"`
[INFO] [stdout] a0a5fea28c4e8e10e723cd094d64538571242761a0d97ca5f0c45c8118c22163
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/eeeeeta/matrix-extractor-hacky:/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] 6ae008a27e68437f25d65651b0f745e17a016246c93df97f3ca9ab505b87f806
[INFO] running `"docker" "start" "-a" "6ae008a27e68437f25d65651b0f745e17a016246c93df97f3ca9ab505b87f806"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matrix_extractor_hacky-6d865b5fd496c940
[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" "6ae008a27e68437f25d65651b0f745e17a016246c93df97f3ca9ab505b87f806"`
[INFO] running `"docker" "rm" "-f" "6ae008a27e68437f25d65651b0f745e17a016246c93df97f3ca9ab505b87f806"`
[INFO] [stdout] 6ae008a27e68437f25d65651b0f745e17a016246c93df97f3ca9ab505b87f806