[INFO] fetching crate nock 0.4.0... [INFO] checking nock-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate nock 0.4.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate nock 0.4.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nock 0.4.0 [INFO] finished tweaking crates.io crate nock 0.4.0 [INFO] tweaked toml for crates.io crate nock 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c573001c983e200601ab725ed8dd0c28cea808045c1644028a16e1cdbe47e78 [INFO] running `Command { std: "docker" "start" "-a" "7c573001c983e200601ab725ed8dd0c28cea808045c1644028a16e1cdbe47e78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c573001c983e200601ab725ed8dd0c28cea808045c1644028a16e1cdbe47e78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c573001c983e200601ab725ed8dd0c28cea808045c1644028a16e1cdbe47e78", kill_on_drop: false }` [INFO] [stdout] 7c573001c983e200601ab725ed8dd0c28cea808045c1644028a16e1cdbe47e78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed058a23c6773a5b33d89fd9ebfc7de1d4144dd21121ec17baecce08094a7809 [INFO] running `Command { std: "docker" "start" "-a" "ed058a23c6773a5b33d89fd9ebfc7de1d4144dd21121ec17baecce08094a7809", kill_on_drop: false }` [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking nock v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/digit_slice.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | fn from_digits(&[u8]) -> Result; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:53:41 [INFO] [stdout] | [INFO] [stdout] 53 | ... let p = try!(self.nock_on(subject.clone(), [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/nock.rs:55:41 [INFO] [stdout] | [INFO] [stdout] 55 | ... let q = try!(self.nock_on(subject, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:91:33 [INFO] [stdout] | [INFO] [stdout] 91 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:110:37 [INFO] [stdout] | [INFO] [stdout] 110 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:134:41 [INFO] [stdout] | [INFO] [stdout] 134 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:148:41 [INFO] [stdout] | [INFO] [stdout] 148 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:163:43 [INFO] [stdout] | [INFO] [stdout] 163 | ... subject = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:166:43 [INFO] [stdout] | [INFO] [stdout] 166 | ... formula = try!(get_axis(axis, &subject)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:183:33 [INFO] [stdout] | [INFO] [stdout] 183 | ... try!(self.hint(&subject, b, c)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:200:37 [INFO] [stdout] | [INFO] [stdout] 200 | ... let a = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:202:37 [INFO] [stdout] | [INFO] [stdout] 202 | ... let b = try!(self.nock_on(subject, tail.clone())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:258:21 [INFO] [stdout] | [INFO] [stdout] 258 | try!(write!(f, "{}", c)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:256:25 [INFO] [stdout] | [INFO] [stdout] 256 | try!(write!(f, ".")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | try!(a.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:270:17 [INFO] [stdout] | [INFO] [stdout] 270 | try!(write!(f, " ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:276:29 [INFO] [stdout] | [INFO] [stdout] 276 | ... try!(a.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:277:29 [INFO] [stdout] | [INFO] [stdout] 277 | ... try!(write!(f, " ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:281:29 [INFO] [stdout] | [INFO] [stdout] 281 | ... try!(cur.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:413:13 [INFO] [stdout] | [INFO] [stdout] 413 | Ok((try!(T::from_noun(n)),)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:432:25 [INFO] [stdout] | [INFO] [stdout] 432 | let t = try!(T::from_noun(a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:433:25 [INFO] [stdout] | [INFO] [stdout] 433 | let u = try!(U::from_noun(b)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:458:26 [INFO] [stdout] | [INFO] [stdout] 458 | let t1 = try!(T1::from_noun(t1)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:459:26 [INFO] [stdout] | [INFO] [stdout] 459 | let t2 = try!(T2::from_noun(t2)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:460:26 [INFO] [stdout] | [INFO] [stdout] 460 | let t3 = try!(T3::from_noun(t3)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/digit_slice.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | fn from_digits(&[u8]) -> Result; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:525:26 [INFO] [stdout] | [INFO] [stdout] 525 | ret.push(try!(T::from_noun(head))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:650:23 [INFO] [stdout] | [INFO] [stdout] 650 | elts.push(try!(parse(input))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:651:23 [INFO] [stdout] | [INFO] [stdout] 651 | elts.push(try!(parse(input))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:53:41 [INFO] [stdout] | [INFO] [stdout] 53 | ... let p = try!(self.nock_on(subject.clone(), [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/lib.rs:658:35 [INFO] [stdout] | [INFO] [stdout] 658 | elts.push(try!(parse_atom(input))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:660:54 [INFO] [stdout] | [INFO] [stdout] 660 | Some(c) if c == '[' => elts.push(try!(parse_cell(input))), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:55:41 [INFO] [stdout] | [INFO] [stdout] 55 | ... let q = try!(self.nock_on(subject, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:91:33 [INFO] [stdout] | [INFO] [stdout] 91 | let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:110:37 [INFO] [stdout] | [INFO] [stdout] 110 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:134:41 [INFO] [stdout] | [INFO] [stdout] 134 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:148:41 [INFO] [stdout] | [INFO] [stdout] 148 | ... let p = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:163:43 [INFO] [stdout] | [INFO] [stdout] 163 | ... subject = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:166:43 [INFO] [stdout] | [INFO] [stdout] 166 | ... formula = try!(get_axis(axis, &subject)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:183:33 [INFO] [stdout] | [INFO] [stdout] 183 | ... try!(self.hint(&subject, b, c)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:200:37 [INFO] [stdout] | [INFO] [stdout] 200 | ... let a = try!(self.nock_on(subject.clone(), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/nock.rs:202:37 [INFO] [stdout] | [INFO] [stdout] 202 | ... let b = try!(self.nock_on(subject, tail.clone())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:258:21 [INFO] [stdout] | [INFO] [stdout] 258 | try!(write!(f, "{}", c)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:256:25 [INFO] [stdout] | [INFO] [stdout] 256 | try!(write!(f, ".")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:268:17 [INFO] [stdout] | [INFO] [stdout] 268 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:269:17 [INFO] [stdout] | [INFO] [stdout] 269 | try!(a.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:270:17 [INFO] [stdout] | [INFO] [stdout] 270 | try!(write!(f, " ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:276:29 [INFO] [stdout] | [INFO] [stdout] 276 | ... try!(a.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:277:29 [INFO] [stdout] | [INFO] [stdout] 277 | ... try!(write!(f, " ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:281:29 [INFO] [stdout] | [INFO] [stdout] 281 | ... try!(cur.print(f, abbrev)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:413:13 [INFO] [stdout] | [INFO] [stdout] 413 | Ok((try!(T::from_noun(n)),)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:432:25 [INFO] [stdout] | [INFO] [stdout] 432 | let t = try!(T::from_noun(a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:433:25 [INFO] [stdout] | [INFO] [stdout] 433 | let u = try!(U::from_noun(b)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:458:26 [INFO] [stdout] | [INFO] [stdout] 458 | let t1 = try!(T1::from_noun(t1)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:459:26 [INFO] [stdout] | [INFO] [stdout] 459 | let t2 = try!(T2::from_noun(t2)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:460:26 [INFO] [stdout] | [INFO] [stdout] 460 | let t3 = try!(T3::from_noun(t3)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:525:26 [INFO] [stdout] | [INFO] [stdout] 525 | ret.push(try!(T::from_noun(head))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:650:23 [INFO] [stdout] | [INFO] [stdout] 650 | elts.push(try!(parse(input))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:651:23 [INFO] [stdout] | [INFO] [stdout] 651 | elts.push(try!(parse(input))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:658:35 [INFO] [stdout] | [INFO] [stdout] 658 | elts.push(try!(parse_atom(input))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:660:54 [INFO] [stdout] | [INFO] [stdout] 660 | Some(c) if c == '[' => elts.push(try!(parse_cell(input))), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:747:27 [INFO] [stdout] | [INFO] [stdout] 747 | let mut s = hash::SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:554:32 [INFO] [stdout] | [INFO] [stdout] 554 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 554 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:575:32 [INFO] [stdout] | [INFO] [stdout] 575 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 575 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:554:32 [INFO] [stdout] | [INFO] [stdout] 554 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 554 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:575:32 [INFO] [stdout] | [INFO] [stdout] 575 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 575 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/nock.rs:93:25 [INFO] [stdout] | [INFO] [stdout] 93 | return match p.get() { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 94 | || Shape::Cell(ref a, ref b) => { [INFO] [stdout] 95 | || if a == b { [INFO] [stdout] 96 | || // Yes. [INFO] [stdout] ... || [INFO] [stdout] 103 | || _ => return Err(NockError(format!("same"))), [INFO] [stdout] 104 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/nock.rs:93:25 [INFO] [stdout] | [INFO] [stdout] 93 | return match p.get() { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 94 | || Shape::Cell(ref a, ref b) => { [INFO] [stdout] 95 | || if a == b { [INFO] [stdout] 96 | || // Yes. [INFO] [stdout] ... || [INFO] [stdout] 103 | || _ => return Err(NockError(format!("same"))), [INFO] [stdout] 104 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:566:30 [INFO] [stdout] | [INFO] [stdout] 566 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:747:38 [INFO] [stdout] | [INFO] [stdout] 747 | let mut s = hash::SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:566:30 [INFO] [stdout] | [INFO] [stdout] 566 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 39 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 37 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> examples/repl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> examples/repl.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, BufRead, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ed058a23c6773a5b33d89fd9ebfc7de1d4144dd21121ec17baecce08094a7809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed058a23c6773a5b33d89fd9ebfc7de1d4144dd21121ec17baecce08094a7809", kill_on_drop: false }` [INFO] [stdout] ed058a23c6773a5b33d89fd9ebfc7de1d4144dd21121ec17baecce08094a7809 [INFO] checking nock-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate nock 0.4.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate nock 0.4.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nock 0.4.0 [INFO] finished tweaking crates.io crate nock 0.4.0 [INFO] tweaked toml for crates.io crate nock 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19634e5e36cbff73b966aebba81b69e3bdee3c80d040eea3c6e87e996fed2aa3 [INFO] running `Command { std: "docker" "start" "-a" "19634e5e36cbff73b966aebba81b69e3bdee3c80d040eea3c6e87e996fed2aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19634e5e36cbff73b966aebba81b69e3bdee3c80d040eea3c6e87e996fed2aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19634e5e36cbff73b966aebba81b69e3bdee3c80d040eea3c6e87e996fed2aa3", kill_on_drop: false }` [INFO] [stdout] 19634e5e36cbff73b966aebba81b69e3bdee3c80d040eea3c6e87e996fed2aa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4923d49d43a91567149f585f2ff6b697e8d3b0949625b5fdb19ba37940f97bef [INFO] running `Command { std: "docker" "start" "-a" "4923d49d43a91567149f585f2ff6b697e8d3b0949625b5fdb19ba37940f97bef", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.25/src/json.rs:1387:20 [INFO] [stdout] | [INFO] [stdout] 1387 | _ => { panic!(); } [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4923d49d43a91567149f585f2ff6b697e8d3b0949625b5fdb19ba37940f97bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4923d49d43a91567149f585f2ff6b697e8d3b0949625b5fdb19ba37940f97bef", kill_on_drop: false }` [INFO] [stdout] 4923d49d43a91567149f585f2ff6b697e8d3b0949625b5fdb19ba37940f97bef