[INFO] updating cached repository TNkemdilim/hut
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TNkemdilim/hut
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TNkemdilim/hut" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/TNkemdilim/hut"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/TNkemdilim/hut'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TNkemdilim/hut" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7eac5f7b764d97898ccb41556e4e6941e9294bab
[INFO] sha for GitHub repo TNkemdilim/hut: 7eac5f7b764d97898ccb41556e4e6941e9294bab
[INFO] validating manifest of TNkemdilim/hut on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TNkemdilim/hut on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TNkemdilim/hut
[INFO] finished frobbing TNkemdilim/hut
[INFO] frobbed toml for TNkemdilim/hut written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/TNkemdilim/hut/Cargo.toml
[INFO] started frobbing TNkemdilim/hut
[INFO] finished frobbing TNkemdilim/hut
[INFO] frobbed toml for TNkemdilim/hut written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut/Cargo.toml
[INFO] crate TNkemdilim/hut has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing TNkemdilim/hut against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] f4fe124f956f1ca216f1dcfcaf2eca9dec9c580b751505563ec486d3f353f6e1
[INFO] running `"docker" "start" "-a" "f4fe124f956f1ca216f1dcfcaf2eca9dec9c580b751505563ec486d3f353f6e1"`
[INFO] [stderr]    Compiling hut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/analysis/mod.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   String(&'a str),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "f4fe124f956f1ca216f1dcfcaf2eca9dec9c580b751505563ec486d3f353f6e1"`
[INFO] running `"docker" "rm" "-f" "f4fe124f956f1ca216f1dcfcaf2eca9dec9c580b751505563ec486d3f353f6e1"`
[INFO] [stdout] f4fe124f956f1ca216f1dcfcaf2eca9dec9c580b751505563ec486d3f353f6e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0f0b734275627273eecc063f9556743e411fc5deb14a825e1bc35a831bdeea4
[INFO] running `"docker" "start" "-a" "d0f0b734275627273eecc063f9556743e411fc5deb14a825e1bc35a831bdeea4"`
[INFO] [stderr]    Compiling hut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/analysis/mod.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   String(&'a str),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "d0f0b734275627273eecc063f9556743e411fc5deb14a825e1bc35a831bdeea4"`
[INFO] running `"docker" "rm" "-f" "d0f0b734275627273eecc063f9556743e411fc5deb14a825e1bc35a831bdeea4"`
[INFO] [stdout] d0f0b734275627273eecc063f9556743e411fc5deb14a825e1bc35a831bdeea4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/TNkemdilim/hut:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 902f921c86364053400752a8a1d49bef33b233a4d70b9e60cfc9e78eec60c55e
[INFO] running `"docker" "start" "-a" "902f921c86364053400752a8a1d49bef33b233a4d70b9e60cfc9e78eec60c55e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hut-55b5aa4056c667dc
[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" "902f921c86364053400752a8a1d49bef33b233a4d70b9e60cfc9e78eec60c55e"`
[INFO] running `"docker" "rm" "-f" "902f921c86364053400752a8a1d49bef33b233a4d70b9e60cfc9e78eec60c55e"`
[INFO] [stdout] 902f921c86364053400752a8a1d49bef33b233a4d70b9e60cfc9e78eec60c55e