[INFO] fetching crate parse-regex 0.0.1...
[INFO] checking parse-regex-0.0.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate parse-regex 0.0.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate parse-regex 0.0.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parse-regex 0.0.1
[INFO] finished tweaking crates.io crate parse-regex 0.0.1
[INFO] tweaked toml for crates.io crate parse-regex 0.0.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19bd3507e834517adf66001a85871667b77f3b64612ddcd82f0c56606f47abc0
[INFO] running `Command { std: "docker" "start" "-a" "19bd3507e834517adf66001a85871667b77f3b64612ddcd82f0c56606f47abc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19bd3507e834517adf66001a85871667b77f3b64612ddcd82f0c56606f47abc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bd3507e834517adf66001a85871667b77f3b64612ddcd82f0c56606f47abc0", kill_on_drop: false }`
[INFO] [stdout] 19bd3507e834517adf66001a85871667b77f3b64612ddcd82f0c56606f47abc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdea44c09eacca2a779b3e89d03320c9aaa46f322e5d428f56b46a9388460584
[INFO] running `Command { std: "docker" "start" "-a" "cdea44c09eacca2a779b3e89d03320c9aaa46f322e5d428f56b46a9388460584", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking parse-regex v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let t1 = try!(self.term());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let t1 = try!(self.term());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let t2 = try!(self.term());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let f = try!(self.factor());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let t2 = try!(self.term());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let b = try!(self.base());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let f = try!(self.factor());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let r = try!(self.regex());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let b = try!(self.base());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let r = try!(self.regex());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for struct `String` in the current scope
[INFO] [stdout]   --> src/parser.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.s.char_at(self.pos)
[INFO] [stdout]    |                ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `char_at` found for struct `String` in the current scope
[INFO] [stdout]   --> src/parser.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.s.char_at(self.pos)
[INFO] [stdout]    |                ^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parse-regex` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cdea44c09eacca2a779b3e89d03320c9aaa46f322e5d428f56b46a9388460584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdea44c09eacca2a779b3e89d03320c9aaa46f322e5d428f56b46a9388460584", kill_on_drop: false }`
[INFO] [stdout] cdea44c09eacca2a779b3e89d03320c9aaa46f322e5d428f56b46a9388460584