[INFO] cloning repository nelhage/iron-gollum
[INFO] running `"git" "clone" "--bare" "git://github.com/nelhage/iron-gollum.git" "work/cache/sources/gh/nelhage/iron-gollum"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nelhage/iron-gollum'...
[INFO] running `"git" "clone" "work/cache/sources/gh/nelhage/iron-gollum" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nelhage/iron-gollum"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nelhage/iron-gollum'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nelhage/iron-gollum" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 504c88b3d928478fce2c98b6a54d5b85e728e858
[INFO] sha for GitHub repo nelhage/iron-gollum: 504c88b3d928478fce2c98b6a54d5b85e728e858
[INFO] validating manifest of nelhage/iron-gollum 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 nelhage/iron-gollum 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 nelhage/iron-gollum
[INFO] finished frobbing nelhage/iron-gollum
[INFO] frobbed toml for nelhage/iron-gollum written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/nelhage/iron-gollum/Cargo.toml
[INFO] started frobbing nelhage/iron-gollum
[INFO] finished frobbing nelhage/iron-gollum
[INFO] frobbed toml for nelhage/iron-gollum written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum/Cargo.toml
[INFO] crate nelhage/iron-gollum 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 nelhage/iron-gollum against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 8d75d41db03df88a12102b76158118d4eddedee9bcc1c41def2c2458e7bdda7e
[INFO] running `"docker" "start" "-a" "8d75d41db03df88a12102b76158118d4eddedee9bcc1c41def2c2458e7bdda7e"`
[INFO] [stderr]    Compiling iron-golem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut inner = pair.into_inner();
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let mut expr = *build(path, inner.next().unwrap());
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `"docker" "inspect" "8d75d41db03df88a12102b76158118d4eddedee9bcc1c41def2c2458e7bdda7e"`
[INFO] running `"docker" "rm" "-f" "8d75d41db03df88a12102b76158118d4eddedee9bcc1c41def2c2458e7bdda7e"`
[INFO] [stdout] 8d75d41db03df88a12102b76158118d4eddedee9bcc1c41def2c2458e7bdda7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7da2ccf0df05cd77ce7a2c4b21a3f4378087185e891054a22c271ccb536cfa58
[INFO] running `"docker" "start" "-a" "7da2ccf0df05cd77ce7a2c4b21a3f4378087185e891054a22c271ccb536cfa58"`
[INFO] [stderr]    Compiling iron-golem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut inner = pair.into_inner();
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let mut expr = *build(path, inner.next().unwrap());
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "7da2ccf0df05cd77ce7a2c4b21a3f4378087185e891054a22c271ccb536cfa58"`
[INFO] running `"docker" "rm" "-f" "7da2ccf0df05cd77ce7a2c4b21a3f4378087185e891054a22c271ccb536cfa58"`
[INFO] [stdout] 7da2ccf0df05cd77ce7a2c4b21a3f4378087185e891054a22c271ccb536cfa58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/nelhage/iron-gollum:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 958dc858a4448e1aae3e866f26cfebcf0aadcdbef6b6e5b3693e23ab7e9c5749
[INFO] running `"docker" "start" "-a" "958dc858a4448e1aae3e866f26cfebcf0aadcdbef6b6e5b3693e23ab7e9c5749"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_golem-26aeac7260a84978
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::test_bad ... ok
[INFO] [stdout] test parser::tests::test_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_golem-5a015a53b95107f9
[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] [stderr]      Running /opt/crater/target/debug/deps/test_corpus-c2bc5e6a7812ca9f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_bad ... ok
[INFO] [stdout] test test_typecheck ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iron_golem
[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" "958dc858a4448e1aae3e866f26cfebcf0aadcdbef6b6e5b3693e23ab7e9c5749"`
[INFO] running `"docker" "rm" "-f" "958dc858a4448e1aae3e866f26cfebcf0aadcdbef6b6e5b3693e23ab7e9c5749"`
[INFO] [stdout] 958dc858a4448e1aae3e866f26cfebcf0aadcdbef6b6e5b3693e23ab7e9c5749