[INFO] updating cached repository mattfarina/github-label-adder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattfarina/github-label-adder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattfarina/github-label-adder" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattfarina/github-label-adder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattfarina/github-label-adder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattfarina/github-label-adder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ff31dfd7fb1441b995453fefeb729aaef046d05
[INFO] sha for GitHub repo mattfarina/github-label-adder: 6ff31dfd7fb1441b995453fefeb729aaef046d05
[INFO] validating manifest of mattfarina/github-label-adder 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 mattfarina/github-label-adder 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 mattfarina/github-label-adder
[INFO] finished frobbing mattfarina/github-label-adder
[INFO] frobbed toml for mattfarina/github-label-adder written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder/Cargo.toml
[INFO] started frobbing mattfarina/github-label-adder
[INFO] finished frobbing mattfarina/github-label-adder
[INFO] frobbed toml for mattfarina/github-label-adder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattfarina/github-label-adder/Cargo.toml
[INFO] crate mattfarina/github-label-adder 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 mattfarina/github-label-adder against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 76d555f4600bc598bd9fc322ee6e1c222b3fc8c4cfa5d799f838a9c53fae87d1
[INFO] running `"docker" "start" "-a" "76d555f4600bc598bd9fc322ee6e1c222b3fc8c4cfa5d799f838a9c53fae87d1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling hubcaps v0.4.10
[INFO] [stderr]    Compiling github-label-adder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:65
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn env_or_error(input: &str) -> Result<std::string::String, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "76d555f4600bc598bd9fc322ee6e1c222b3fc8c4cfa5d799f838a9c53fae87d1"`
[INFO] running `"docker" "rm" "-f" "76d555f4600bc598bd9fc322ee6e1c222b3fc8c4cfa5d799f838a9c53fae87d1"`
[INFO] [stdout] 76d555f4600bc598bd9fc322ee6e1c222b3fc8c4cfa5d799f838a9c53fae87d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4db4a9ea55b23d4131ca364e76dbecc1f0c3f7640556441b1479d6919bdc2817
[INFO] running `"docker" "start" "-a" "4db4a9ea55b23d4131ca364e76dbecc1f0c3f7640556441b1479d6919bdc2817"`
[INFO] [stderr]    Compiling github-label-adder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:65
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn env_or_error(input: &str) -> Result<std::string::String, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "4db4a9ea55b23d4131ca364e76dbecc1f0c3f7640556441b1479d6919bdc2817"`
[INFO] running `"docker" "rm" "-f" "4db4a9ea55b23d4131ca364e76dbecc1f0c3f7640556441b1479d6919bdc2817"`
[INFO] [stdout] 4db4a9ea55b23d4131ca364e76dbecc1f0c3f7640556441b1479d6919bdc2817
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattfarina/github-label-adder:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 18a1594c6f9653245e40af594bd9a4e42e77314a3f3f1c011d90f1f6ec77240b
[INFO] running `"docker" "start" "-a" "18a1594c6f9653245e40af594bd9a4e42e77314a3f3f1c011d90f1f6ec77240b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/github_label_adder-182f5358833e543f
[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" "18a1594c6f9653245e40af594bd9a4e42e77314a3f3f1c011d90f1f6ec77240b"`
[INFO] running `"docker" "rm" "-f" "18a1594c6f9653245e40af594bd9a4e42e77314a3f3f1c011d90f1f6ec77240b"`
[INFO] [stdout] 18a1594c6f9653245e40af594bd9a4e42e77314a3f3f1c011d90f1f6ec77240b