[INFO] updating cached repository Cyberduc-k/Cyfu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Cyberduc-k/Cyfu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyberduc-k/Cyfu" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Cyberduc-k/Cyfu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Cyberduc-k/Cyfu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyberduc-k/Cyfu" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Cyberduc-k/Cyfu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Cyberduc-k/Cyfu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a0791f6f64fc5ed592558fc2b03fb85f65baea4
[INFO] sha for GitHub repo Cyberduc-k/Cyfu: 3a0791f6f64fc5ed592558fc2b03fb85f65baea4
[INFO] validating manifest of Cyberduc-k/Cyfu on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Cyberduc-k/Cyfu on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Cyberduc-k/Cyfu
[INFO] finished frobbing Cyberduc-k/Cyfu
[INFO] frobbed toml for Cyberduc-k/Cyfu written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Cyberduc-k/Cyfu/Cargo.toml
[INFO] started frobbing Cyberduc-k/Cyfu
[INFO] finished frobbing Cyberduc-k/Cyfu
[INFO] frobbed toml for Cyberduc-k/Cyfu written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/Cyberduc-k/Cyfu/Cargo.toml
[INFO] crate Cyberduc-k/Cyfu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Cyberduc-k/Cyfu/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Cyberduc-k/Cyfu against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/Cyberduc-k/Cyfu:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 39eea75d3461e11915bfe25361746e56f0fc72c2b679cdfadb76725449834802
[INFO] running `"docker" "start" "-a" "39eea75d3461e11915bfe25361746e56f0fc72c2b679cdfadb76725449834802"`
[INFO] [stderr]     Checking cyfu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]  --> src/e_ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Let(Vec<(String, Expr)>, Box<Expr>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Case`
[INFO] [stderr]   --> src/e_ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Case()
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `elet`
[INFO] [stderr]    --> src/e_ast.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | pub fn elet(defns: Vec<(String, Expr)>, b: Expr) -> Expr {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]  --> src/e_ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Let(Vec<(String, Expr)>, Box<Expr>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Case`
[INFO] [stderr]   --> src/e_ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Case()
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `elet`
[INFO] [stderr]    --> src/e_ast.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | pub fn elet(defns: Vec<(String, Expr)>, b: Expr) -> Expr {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "39eea75d3461e11915bfe25361746e56f0fc72c2b679cdfadb76725449834802"`
[INFO] running `"docker" "rm" "-f" "39eea75d3461e11915bfe25361746e56f0fc72c2b679cdfadb76725449834802"`
[INFO] [stdout] 39eea75d3461e11915bfe25361746e56f0fc72c2b679cdfadb76725449834802