[INFO] updating cached repository andyyu2004/rust_lambda_calculus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andyyu2004/rust_lambda_calculus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andyyu2004/rust_lambda_calculus" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andyyu2004/rust_lambda_calculus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andyyu2004/rust_lambda_calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andyyu2004/rust_lambda_calculus" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andyyu2004/rust_lambda_calculus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andyyu2004/rust_lambda_calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0338fcf8342bbbfc079270004d4bd93960520f56
[INFO] sha for GitHub repo andyyu2004/rust_lambda_calculus: 0338fcf8342bbbfc079270004d4bd93960520f56
[INFO] validating manifest of andyyu2004/rust_lambda_calculus on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andyyu2004/rust_lambda_calculus on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andyyu2004/rust_lambda_calculus
[INFO] finished frobbing andyyu2004/rust_lambda_calculus
[INFO] frobbed toml for andyyu2004/rust_lambda_calculus written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andyyu2004/rust_lambda_calculus/Cargo.toml
[INFO] started frobbing andyyu2004/rust_lambda_calculus
[INFO] finished frobbing andyyu2004/rust_lambda_calculus
[INFO] frobbed toml for andyyu2004/rust_lambda_calculus written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andyyu2004/rust_lambda_calculus/Cargo.toml
[INFO] crate andyyu2004/rust_lambda_calculus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking andyyu2004/rust_lambda_calculus against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andyyu2004/rust_lambda_calculus:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 65abb25cc7b83dc793bb6576f1931b6de14f7e0a7817148c74edc640b9b7c89e
[INFO] running `"docker" "start" "-a" "65abb25cc7b83dc793bb6576f1931b6de14f7e0a7817148c74edc640b9b7c89e"`
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]     Checking r_lambda_calculus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexing/lexer.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 'a'...'z' => tokens.push(
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexing/lexer.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 '$' | 'A'...'Z' => {
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexing/lexer.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 'a'...'z' => tokens.push(
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexing/lexer.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 '$' | 'A'...'Z' => {
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `"docker" "inspect" "65abb25cc7b83dc793bb6576f1931b6de14f7e0a7817148c74edc640b9b7c89e"`
[INFO] running `"docker" "rm" "-f" "65abb25cc7b83dc793bb6576f1931b6de14f7e0a7817148c74edc640b9b7c89e"`
[INFO] [stdout] 65abb25cc7b83dc793bb6576f1931b6de14f7e0a7817148c74edc640b9b7c89e