[INFO] updating cached repository lachlansneff/forge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lachlansneff/forge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lachlansneff/forge" "work/ex/beta-1.38-1/sources/1.37.0/gh/lachlansneff/forge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lachlansneff/forge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lachlansneff/forge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lachlansneff/forge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lachlansneff/forge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ea06f25c19c62313ed28b10e94bc5c47bd2d5ea
[INFO] sha for GitHub repo lachlansneff/forge: 4ea06f25c19c62313ed28b10e94bc5c47bd2d5ea
[INFO] validating manifest of lachlansneff/forge 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 lachlansneff/forge 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 lachlansneff/forge
[INFO] finished frobbing lachlansneff/forge
[INFO] frobbed toml for lachlansneff/forge written to work/ex/beta-1.38-1/sources/1.37.0/gh/lachlansneff/forge/Cargo.toml
[INFO] started frobbing lachlansneff/forge
[INFO] finished frobbing lachlansneff/forge
[INFO] frobbed toml for lachlansneff/forge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lachlansneff/forge/Cargo.toml
[INFO] crate lachlansneff/forge 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 lachlansneff/forge 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/lachlansneff/forge:/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] be696c0c009de79fdd7ee0fa1d9726ae549917be11dc8135246569b858aa1fd7
[INFO] running `"docker" "start" "-a" "be696c0c009de79fdd7ee0fa1d9726ae549917be11dc8135246569b858aa1fd7"`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling forge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/log.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/log.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/log.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn success(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn warn(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cargo`
[INFO] [stderr]   --> src/cargo.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Cargo,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verbose`
[INFO] [stderr]   --> src/cli.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn version(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `"docker" "inspect" "be696c0c009de79fdd7ee0fa1d9726ae549917be11dc8135246569b858aa1fd7"`
[INFO] running `"docker" "rm" "-f" "be696c0c009de79fdd7ee0fa1d9726ae549917be11dc8135246569b858aa1fd7"`
[INFO] [stdout] be696c0c009de79fdd7ee0fa1d9726ae549917be11dc8135246569b858aa1fd7
[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/lachlansneff/forge:/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] dcfa37cd58b92548b761bdaa30c41cb05cb5f37639d7f8f23f1ec6b023c499d1
[INFO] running `"docker" "start" "-a" "dcfa37cd58b92548b761bdaa30c41cb05cb5f37639d7f8f23f1ec6b023c499d1"`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]    Compiling forge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]  --> src/log.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Success,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/log.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Warning,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `success`
[INFO] [stderr]   --> src/log.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn success(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/log.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn warn(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cargo`
[INFO] [stderr]   --> src/cargo.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Cargo,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `verbose`
[INFO] [stderr]   --> src/cli.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn version(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "dcfa37cd58b92548b761bdaa30c41cb05cb5f37639d7f8f23f1ec6b023c499d1"`
[INFO] running `"docker" "rm" "-f" "dcfa37cd58b92548b761bdaa30c41cb05cb5f37639d7f8f23f1ec6b023c499d1"`
[INFO] [stdout] dcfa37cd58b92548b761bdaa30c41cb05cb5f37639d7f8f23f1ec6b023c499d1
[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/lachlansneff/forge:/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] f8deb396121701dadc9d6018df889a65ab1cd597c3891ece3726bbf14a1f102b
[INFO] running `"docker" "start" "-a" "f8deb396121701dadc9d6018df889a65ab1cd597c3891ece3726bbf14a1f102b"`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/forge-88c8750cc9c18fec
[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" "f8deb396121701dadc9d6018df889a65ab1cd597c3891ece3726bbf14a1f102b"`
[INFO] running `"docker" "rm" "-f" "f8deb396121701dadc9d6018df889a65ab1cd597c3891ece3726bbf14a1f102b"`
[INFO] [stdout] f8deb396121701dadc9d6018df889a65ab1cd597c3891ece3726bbf14a1f102b