[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 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-0/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 040bdce3c40d4e564fd4a8fea909e6337a893dbca5f4a1145e77c46cc2cf1f46
[INFO] running `"docker" "start" "-a" "040bdce3c40d4e564fd4a8fea909e6337a893dbca5f4a1145e77c46cc2cf1f46"`
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[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 13s
[INFO] running `"docker" "inspect" "040bdce3c40d4e564fd4a8fea909e6337a893dbca5f4a1145e77c46cc2cf1f46"`
[INFO] running `"docker" "rm" "-f" "040bdce3c40d4e564fd4a8fea909e6337a893dbca5f4a1145e77c46cc2cf1f46"`
[INFO] [stdout] 040bdce3c40d4e564fd4a8fea909e6337a893dbca5f4a1145e77c46cc2cf1f46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 534ed2524a576380dfe6f9d4aebc7a15d15edb6d8eaab03c4dd00df27eb2aff3
[INFO] running `"docker" "start" "-a" "534ed2524a576380dfe6f9d4aebc7a15d15edb6d8eaab03c4dd00df27eb2aff3"`
[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 2.17s
[INFO] running `"docker" "inspect" "534ed2524a576380dfe6f9d4aebc7a15d15edb6d8eaab03c4dd00df27eb2aff3"`
[INFO] running `"docker" "rm" "-f" "534ed2524a576380dfe6f9d4aebc7a15d15edb6d8eaab03c4dd00df27eb2aff3"`
[INFO] [stdout] 534ed2524a576380dfe6f9d4aebc7a15d15edb6d8eaab03c4dd00df27eb2aff3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 10c625d608c54133c138607fb43424b4406a95bb8713ba71e7d09f44bc1ef57d
[INFO] running `"docker" "start" "-a" "10c625d608c54133c138607fb43424b4406a95bb8713ba71e7d09f44bc1ef57d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/github_label_adder-802bc709b7de72d6
[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" "10c625d608c54133c138607fb43424b4406a95bb8713ba71e7d09f44bc1ef57d"`
[INFO] running `"docker" "rm" "-f" "10c625d608c54133c138607fb43424b4406a95bb8713ba71e7d09f44bc1ef57d"`
[INFO] [stdout] 10c625d608c54133c138607fb43424b4406a95bb8713ba71e7d09f44bc1ef57d