[INFO] cloning repository nathanm2/iron-gcd
[INFO] running `"git" "clone" "--bare" "git://github.com/nathanm2/iron-gcd.git" "work/cache/sources/gh/nathanm2/iron-gcd"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nathanm2/iron-gcd'...
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanm2/iron-gcd" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/iron-gcd"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/iron-gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanm2/iron-gcd" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nathanm2/iron-gcd"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nathanm2/iron-gcd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18b359b8550a720ec93119209eb58a4254086ecc
[INFO] sha for GitHub repo nathanm2/iron-gcd: 18b359b8550a720ec93119209eb58a4254086ecc
[INFO] validating manifest of nathanm2/iron-gcd on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nathanm2/iron-gcd on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nathanm2/iron-gcd
[INFO] finished frobbing nathanm2/iron-gcd
[INFO] frobbed toml for nathanm2/iron-gcd written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/iron-gcd/Cargo.toml
[INFO] started frobbing nathanm2/iron-gcd
[INFO] finished frobbing nathanm2/iron-gcd
[INFO] frobbed toml for nathanm2/iron-gcd written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nathanm2/iron-gcd/Cargo.toml
[INFO] crate nathanm2/iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nathanm2/iron-gcd against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 82fd3e8b0cd01aba1408d7832e3dd87421ed274b2c229622afa73c506fd7a68c
[INFO] running `"docker" "start" "-a" "82fd3e8b0cd01aba1408d7832e3dd87421ed274b2c229622afa73c506fd7a68c"`
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `gcd`
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn gcd(mut a: u64, mut b: u64) -> u64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "82fd3e8b0cd01aba1408d7832e3dd87421ed274b2c229622afa73c506fd7a68c"`
[INFO] running `"docker" "rm" "-f" "82fd3e8b0cd01aba1408d7832e3dd87421ed274b2c229622afa73c506fd7a68c"`
[INFO] [stdout] 82fd3e8b0cd01aba1408d7832e3dd87421ed274b2c229622afa73c506fd7a68c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0902d9a4221315eecd8b698dbd02519c89439fefb87ce1882d816ac130723f78
[INFO] running `"docker" "start" "-a" "0902d9a4221315eecd8b698dbd02519c89439fefb87ce1882d816ac130723f78"`
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "0902d9a4221315eecd8b698dbd02519c89439fefb87ce1882d816ac130723f78"`
[INFO] running `"docker" "rm" "-f" "0902d9a4221315eecd8b698dbd02519c89439fefb87ce1882d816ac130723f78"`
[INFO] [stdout] 0902d9a4221315eecd8b698dbd02519c89439fefb87ce1882d816ac130723f78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nathanm2/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 9f55e97ba1cb3f9bf12cd4cce3817f5d57ff954c5f4318a15d46109e4d10a81d
[INFO] running `"docker" "start" "-a" "9f55e97ba1cb3f9bf12cd4cce3817f5d57ff954c5f4318a15d46109e4d10a81d"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_gcd-708ebc0d1a4aef88
[INFO] [stdout] test test_gcd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f55e97ba1cb3f9bf12cd4cce3817f5d57ff954c5f4318a15d46109e4d10a81d"`
[INFO] running `"docker" "rm" "-f" "9f55e97ba1cb3f9bf12cd4cce3817f5d57ff954c5f4318a15d46109e4d10a81d"`
[INFO] [stdout] 9f55e97ba1cb3f9bf12cd4cce3817f5d57ff954c5f4318a15d46109e4d10a81d