[INFO] fetching crate expr 0.0.1...
[INFO] checking expr-0.0.1 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate expr 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate expr 0.0.1 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expr 0.0.1
[INFO] finished tweaking crates.io crate expr 0.0.1
[INFO] tweaked toml for crates.io crate expr 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e8f2f844fc36675750098d04c6291138f18d11e3e60d5aa88cb4c86a25d453
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66e8f2f844fc36675750098d04c6291138f18d11e3e60d5aa88cb4c86a25d453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e8f2f844fc36675750098d04c6291138f18d11e3e60d5aa88cb4c86a25d453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e8f2f844fc36675750098d04c6291138f18d11e3e60d5aa88cb4c86a25d453", kill_on_drop: false }`
[INFO] [stdout] 66e8f2f844fc36675750098d04c6291138f18d11e3e60d5aa88cb4c86a25d453
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50d69ee11c31f1556f115aacb5862b0eb82eed189b94afb6cbeff0f40e6ab1f1
[INFO] running `Command { std: "docker" "start" "-a" "50d69ee11c31f1556f115aacb5862b0eb82eed189b94afb6cbeff0f40e6ab1f1", kill_on_drop: false }`
[INFO] [stderr]     Checking expr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if token[].contains(".") {
[INFO] [stdout]     |                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/expr.rs:317:37
[INFO] [stdout]     |
[INFO] [stdout] 317 |     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:319:39
[INFO] [stdout]     |
[INFO] [stdout] 319 |             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] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/expr.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if token[].contains(".") {
[INFO] [stdout]     |                  ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/expr.rs:317:37
[INFO] [stdout]     |
[INFO] [stdout] 317 |     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:319:39
[INFO] [stdout]     |
[INFO] [stdout] 319 |             self.variables[*idx] = Some(f(name[]));
[INFO] [stdout]     |                                                ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `expr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "50d69ee11c31f1556f115aacb5862b0eb82eed189b94afb6cbeff0f40e6ab1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d69ee11c31f1556f115aacb5862b0eb82eed189b94afb6cbeff0f40e6ab1f1", kill_on_drop: false }`
[INFO] [stdout] 50d69ee11c31f1556f115aacb5862b0eb82eed189b94afb6cbeff0f40e6ab1f1