[INFO] updating cached repository codeslinger/glasspack
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/codeslinger/glasspack
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/codeslinger/glasspack" "work/ex/beta-1.38-1/sources/1.37.0/gh/codeslinger/glasspack"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/codeslinger/glasspack'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/codeslinger/glasspack" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/codeslinger/glasspack"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/codeslinger/glasspack'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a79c442ca8a08a5a147d260f20edd2d5797d4108
[INFO] sha for GitHub repo codeslinger/glasspack: a79c442ca8a08a5a147d260f20edd2d5797d4108
[INFO] validating manifest of codeslinger/glasspack 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 codeslinger/glasspack 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 codeslinger/glasspack
[INFO] finished frobbing codeslinger/glasspack
[INFO] frobbed toml for codeslinger/glasspack written to work/ex/beta-1.38-1/sources/1.37.0/gh/codeslinger/glasspack/Cargo.toml
[INFO] started frobbing codeslinger/glasspack
[INFO] finished frobbing codeslinger/glasspack
[INFO] frobbed toml for codeslinger/glasspack written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/codeslinger/glasspack/Cargo.toml
[INFO] crate codeslinger/glasspack 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 codeslinger/glasspack 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/codeslinger/glasspack:/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] d9bc8227cd8bfb52cb1268320237ab661d99b261e7408a33b8413e0e436c8053
[INFO] running `"docker" "start" "-a" "d9bc8227cd8bfb52cb1268320237ab661d99b261e7408a33b8413e0e436c8053"`
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling evmap v4.2.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling glasspack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `payload`
[INFO] [stderr]   --> src/packet.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn payload(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `"docker" "inspect" "d9bc8227cd8bfb52cb1268320237ab661d99b261e7408a33b8413e0e436c8053"`
[INFO] running `"docker" "rm" "-f" "d9bc8227cd8bfb52cb1268320237ab661d99b261e7408a33b8413e0e436c8053"`
[INFO] [stdout] d9bc8227cd8bfb52cb1268320237ab661d99b261e7408a33b8413e0e436c8053
[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/codeslinger/glasspack:/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] f5f6744a93aa9c10ada5266c9ed2e5ce1cb55baddb3086611b2ddce5fa984e64
[INFO] running `"docker" "start" "-a" "f5f6744a93aa9c10ada5266c9ed2e5ce1cb55baddb3086611b2ddce5fa984e64"`
[INFO] [stderr]    Compiling glasspack v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `payload`
[INFO] [stderr]   --> src/packet.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn payload(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "f5f6744a93aa9c10ada5266c9ed2e5ce1cb55baddb3086611b2ddce5fa984e64"`
[INFO] running `"docker" "rm" "-f" "f5f6744a93aa9c10ada5266c9ed2e5ce1cb55baddb3086611b2ddce5fa984e64"`
[INFO] [stdout] f5f6744a93aa9c10ada5266c9ed2e5ce1cb55baddb3086611b2ddce5fa984e64
[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/codeslinger/glasspack:/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] 9f0a3c50a27114dbec436bf286243b591f59bbd7c674b927278b1ab7e761c77e
[INFO] running `"docker" "start" "-a" "9f0a3c50a27114dbec436bf286243b591f59bbd7c674b927278b1ab7e761c77e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/glasspack-302ae6d4c3433e23
[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" "9f0a3c50a27114dbec436bf286243b591f59bbd7c674b927278b1ab7e761c77e"`
[INFO] running `"docker" "rm" "-f" "9f0a3c50a27114dbec436bf286243b591f59bbd7c674b927278b1ab7e761c77e"`
[INFO] [stdout] 9f0a3c50a27114dbec436bf286243b591f59bbd7c674b927278b1ab7e761c77e