[INFO] cloning repository https://github.com/lupuchard/rust-expr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lupuchard/rust-expr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 869f62bb01f622ea95866fc71b464fc120a65cf8
[INFO] testing lupuchard/rust-expr against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupuchard%2Frust-expr" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lupuchard/rust-expr on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lupuchard/rust-expr
[INFO] finished tweaking git repo https://github.com/lupuchard/rust-expr
[INFO] tweaked toml for git repo https://github.com/lupuchard/rust-expr written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/lupuchard/rust-expr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2df21a91847bbb3899c6e57d75757802a286af7263d31fdf8db0183437faa39b
[INFO] running `Command { std: "docker" "start" "-a" "2df21a91847bbb3899c6e57d75757802a286af7263d31fdf8db0183437faa39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df21a91847bbb3899c6e57d75757802a286af7263d31fdf8db0183437faa39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df21a91847bbb3899c6e57d75757802a286af7263d31fdf8db0183437faa39b", kill_on_drop: false }`
[INFO] [stdout] 2df21a91847bbb3899c6e57d75757802a286af7263d31fdf8db0183437faa39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ac689c44ab0bb0561a3a469d6b4a0752965a4da91e125f7eceaaec558a189a
[INFO] running `Command { std: "docker" "start" "-a" "e9ac689c44ab0bb0561a3a469d6b4a0752965a4da91e125f7eceaaec558a189a", kill_on_drop: false }`
[INFO] [stderr]    Compiling expr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |         if token[].contains(".") {
[INFO] [stdout]     |                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/expr.rs:331:37
[INFO] [stdout]     |
[INFO] [stdout] 331 |     pub fn set_variables(&mut self, f: |&str| -> Val<T>) {
[INFO] [stdout]     |                                        ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:333:39
[INFO] [stdout]     |
[INFO] [stdout] 333 |             self.variables[*idx] = Some(f(name[]));
[INFO] [stdout]     |                                                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `regex`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate regex;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e9ac689c44ab0bb0561a3a469d6b4a0752965a4da91e125f7eceaaec558a189a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ac689c44ab0bb0561a3a469d6b4a0752965a4da91e125f7eceaaec558a189a", kill_on_drop: false }`
[INFO] [stdout] e9ac689c44ab0bb0561a3a469d6b4a0752965a4da91e125f7eceaaec558a189a