[INFO] updating cached repository https://github.com/drewchandler/rust-lisp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c63840e141a8ff4f6a3aa5c45ef39f0cd00fda91
[INFO] checking drewchandler/rust-lisp against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewchandler%2Frust-lisp" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drewchandler/rust-lisp on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/drewchandler/rust-lisp
[INFO] finished tweaking git repo https://github.com/drewchandler/rust-lisp
[INFO] tweaked toml for git repo https://github.com/drewchandler/rust-lisp written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/drewchandler/rust-lisp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53a6584f20fa3b183c680abbf451c068af7d6c80a385afb6780f3dab36e02cb9
[INFO] running `"docker" "start" "-a" "53a6584f20fa3b183c680abbf451c068af7d6c80a385afb6780f3dab36e02cb9"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rustyline v0.2.3
[INFO] [stderr]     Checking rust-lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 try!(write!(f, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         try!(write!(f, " "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(write!(f, "{}", s));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:142:16
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let name = try!(extract_value!(v[1], Sexp::Symbol, "{} is not a legal info name"));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let value = try!(v[2].eval(&env));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let name = try!(extract_value!(v[1], Sexp::Symbol));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let params = try!(extract_values!(v[2], Sexp::Symbol));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let conditional = try!(v[1].eval(&env));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 try!(write!(f, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         try!(write!(f, " "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(write!(f, "{}", s));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:142:16
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let name = try!(extract_value!(v[1], Sexp::Symbol, "{} is not a legal info name"));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let value = try!(v[2].eval(&env));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let name = try!(extract_value!(v[1], Sexp::Symbol));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let params = try!(extract_values!(v[2], Sexp::Symbol));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sexp.rs:160:23
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let conditional = try!(v[1].eval(&env));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `"docker" "inspect" "53a6584f20fa3b183c680abbf451c068af7d6c80a385afb6780f3dab36e02cb9"`
[INFO] running `"docker" "rm" "-f" "53a6584f20fa3b183c680abbf451c068af7d6c80a385afb6780f3dab36e02cb9"`
[INFO] [stdout] 53a6584f20fa3b183c680abbf451c068af7d6c80a385afb6780f3dab36e02cb9