[INFO] updating cached repository https://github.com/augustt198/json-rs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53f09b4fe8ed5cc8a91acf614f2284f974933502 [INFO] testing augustt198/json-rs against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugustt198%2Fjson-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/augustt198/json-rs on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/augustt198/json-rs [INFO] finished tweaking git repo https://github.com/augustt198/json-rs [INFO] tweaked toml for git repo https://github.com/augustt198/json-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/augustt198/json-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90a5bfa5bfc438019f37ad88e1be90c31a4347615f97215d28703f59c99038dd [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" "90a5bfa5bfc438019f37ad88e1be90c31a4347615f97215d28703f59c99038dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90a5bfa5bfc438019f37ad88e1be90c31a4347615f97215d28703f59c99038dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90a5bfa5bfc438019f37ad88e1be90c31a4347615f97215d28703f59c99038dd", kill_on_drop: false }` [INFO] [stdout] 90a5bfa5bfc438019f37ad88e1be90c31a4347615f97215d28703f59c99038dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] bcf16c0cc38fe63c9fb8f00403ca5366a10540663bf0413c54d1a2768dffa330 [INFO] running `Command { std: "docker" "start" "-a" "bcf16c0cc38fe63c9fb8f00403ca5366a10540663bf0413c54d1a2768dffa330", kill_on_drop: false }` [INFO] [stderr] Compiling json v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core, collections)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:91:35 [INFO] [stdout] | [INFO] [stdout] 91 | else if c == '"' { try!(self.next_str_token()) } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:35 [INFO] [stdout] | [INFO] [stdout] 92 | else if is_alpha(c) { try!(self.next_ident_token(c)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:93:35 [INFO] [stdout] | [INFO] [stdout] 93 | else if is_digit(c) { try!(self.next_num_token(c)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:239:25 [INFO] [stdout] | [INFO] [stdout] 239 | let token = try!(lex.next_token()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:298:34 [INFO] [stdout] | [INFO] [stdout] 298 | vec.push(try!(self.parse())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:341:39 [INFO] [stdout] | [INFO] [stdout] 341 | map.insert(s, try!(self.parse())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:406:26 [INFO] [stdout] | [INFO] [stdout] 406 | let mut parser = try!(Parser::new(&mut lexer)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/lib.rs:414:23 [INFO] [stdout] | [INFO] [stdout] 414 | let tok = try!(lexer.next_token()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope [INFO] [stdout] --> src/lib.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | Some(self.source.as_slice().char_at(self.pos)) [INFO] [stdout] | ^^^^^^^^ method not found in `std::string::String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope [INFO] [stdout] --> src/lib.rs:159:29 [INFO] [stdout] | [INFO] [stdout] 159 | let ident_str = res.as_slice(); [INFO] [stdout] | ^^^^^^^^ method not found in `std::string::String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope [INFO] [stdout] --> src/lib.rs:189:27 [INFO] [stdout] | [INFO] [stdout] 189 | let num_str = res.as_slice(); [INFO] [stdout] | ^^^^^^^^ method not found in `std::string::String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `json`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "bcf16c0cc38fe63c9fb8f00403ca5366a10540663bf0413c54d1a2768dffa330", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcf16c0cc38fe63c9fb8f00403ca5366a10540663bf0413c54d1a2768dffa330", kill_on_drop: false }` [INFO] [stdout] bcf16c0cc38fe63c9fb8f00403ca5366a10540663bf0413c54d1a2768dffa330