[INFO] updating cached repository t-tonchim/iron-gcd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/t-tonchim/iron-gcd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/t-tonchim/iron-gcd" "work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/t-tonchim/iron-gcd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/iron-gcd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/iron-gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48eea87f08892effa292336ccad15bdd41877051
[INFO] sha for GitHub repo t-tonchim/iron-gcd: 48eea87f08892effa292336ccad15bdd41877051
[INFO] validating manifest of t-tonchim/iron-gcd 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 t-tonchim/iron-gcd 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 t-tonchim/iron-gcd
[INFO] finished frobbing t-tonchim/iron-gcd
[INFO] frobbed toml for t-tonchim/iron-gcd written to work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd/Cargo.toml
[INFO] started frobbing t-tonchim/iron-gcd
[INFO] finished frobbing t-tonchim/iron-gcd
[INFO] frobbed toml for t-tonchim/iron-gcd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t-tonchim/iron-gcd/Cargo.toml
[INFO] crate t-tonchim/iron-gcd 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 t-tonchim/iron-gcd 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd:/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] b30674bfbd2093aae9cea1928750cf04ca6356112aee0f2da7bbf33842eb9bb5
[INFO] running `"docker" "start" "-a" "b30674bfbd2093aae9cea1928750cf04ca6356112aee0f2da7bbf33842eb9bb5"`
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.68s
[INFO] running `"docker" "inspect" "b30674bfbd2093aae9cea1928750cf04ca6356112aee0f2da7bbf33842eb9bb5"`
[INFO] running `"docker" "rm" "-f" "b30674bfbd2093aae9cea1928750cf04ca6356112aee0f2da7bbf33842eb9bb5"`
[INFO] [stdout] b30674bfbd2093aae9cea1928750cf04ca6356112aee0f2da7bbf33842eb9bb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd:/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] 32fff4ef0149c13f5dc5d785c6efa6ec3c5f1a0b5d2b2012aebe08f3b7cf1763
[INFO] running `"docker" "start" "-a" "32fff4ef0149c13f5dc5d785c6efa6ec3c5f1a0b5d2b2012aebe08f3b7cf1763"`
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "32fff4ef0149c13f5dc5d785c6efa6ec3c5f1a0b5d2b2012aebe08f3b7cf1763"`
[INFO] running `"docker" "rm" "-f" "32fff4ef0149c13f5dc5d785c6efa6ec3c5f1a0b5d2b2012aebe08f3b7cf1763"`
[INFO] [stdout] 32fff4ef0149c13f5dc5d785c6efa6ec3c5f1a0b5d2b2012aebe08f3b7cf1763
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/t-tonchim/iron-gcd:/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] 06d4236414db1f9abda9fcee3ac588bf10a26d026592b34791d58f8e9fff037f
[INFO] running `"docker" "start" "-a" "06d4236414db1f9abda9fcee3ac588bf10a26d026592b34791d58f8e9fff037f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_gcd-0f0219ad2df4793a
[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" "06d4236414db1f9abda9fcee3ac588bf10a26d026592b34791d58f8e9fff037f"`
[INFO] running `"docker" "rm" "-f" "06d4236414db1f9abda9fcee3ac588bf10a26d026592b34791d58f8e9fff037f"`
[INFO] [stdout] 06d4236414db1f9abda9fcee3ac588bf10a26d026592b34791d58f8e9fff037f