[INFO] fetching crate smetamath 3.0.0... [INFO] checking smetamath-3.0.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate smetamath 3.0.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate smetamath 3.0.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate smetamath 3.0.0 [INFO] finished tweaking crates.io crate smetamath 3.0.0 [INFO] tweaked toml for crates.io crate smetamath 3.0.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded filetime v0.1.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58a843f44b51e4b03267a163f3b3b68cbe48645f5d342a9021fc443842a7de55 [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" "58a843f44b51e4b03267a163f3b3b68cbe48645f5d342a9021fc443842a7de55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58a843f44b51e4b03267a163f3b3b68cbe48645f5d342a9021fc443842a7de55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58a843f44b51e4b03267a163f3b3b68cbe48645f5d342a9021fc443842a7de55", kill_on_drop: false }` [INFO] [stdout] 58a843f44b51e4b03267a163f3b3b68cbe48645f5d342a9021fc443842a7de55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d2bbd83a8d66859c9d5db9715c5df9cab64b633dc43681fe617a0ae213dfcf3 [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" "6d2bbd83a8d66859c9d5db9715c5df9cab64b633dc43681fe617a0ae213dfcf3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking smetamath v3.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | struct Job(usize, Box); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:61:60 [INFO] [stdout] | [INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:133:27 [INFO] [stdout] | [INFO] [stdout] 133 | pub struct Promise(Box T + Send>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> T + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | struct Job(usize, Box); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/segment_set.rs:190:28 [INFO] [stdout] | [INFO] [stdout] 190 | let metadata = try!(fs::metadata(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:61:60 [INFO] [stdout] | [INFO] [stdout] 61 | fn queue_work(exec: &Executor, estimate: usize, mut f: Box) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:133:27 [INFO] [stdout] | [INFO] [stdout] 133 | pub struct Promise(Box T + Send>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> T + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/segment_set.rs:190:28 [INFO] [stdout] | [INFO] [stdout] 190 | let metadata = try!(fs::metadata(&path)); [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/segment_set.rs:196:34 [INFO] [stdout] | [INFO] [stdout] 196 | let mut fh = try!(File::open(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/segment_set.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | try!(fh.read_to_end(&mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/segment_set.rs:196:34 [INFO] [stdout] | [INFO] [stdout] 196 | let mut fh = try!(File::open(&path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/segment_set.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | try!(fh.read_to_end(&mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:247:25 [INFO] [stdout] | [INFO] [stdout] 247 | let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap()); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:268:25 [INFO] [stdout] | [INFO] [stdout] 268 | let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap()); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:291:25 [INFO] [stdout] | [INFO] [stdout] 291 | let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap()); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_bad_labels` [INFO] [stdout] --> src/parser.rs:481:5 [INFO] [stdout] | [INFO] [stdout] 481 | has_bad_labels: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:247:25 [INFO] [stdout] | [INFO] [stdout] 247 | let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap()); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:268:25 [INFO] [stdout] | [INFO] [stdout] 268 | let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap()); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/database.rs:291:25 [INFO] [stdout] | [INFO] [stdout] 291 | let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap()); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `has_bad_labels` [INFO] [stdout] --> src/parser.rs:481:5 [INFO] [stdout] | [INFO] [stdout] 481 | has_bad_labels: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 11.23s [INFO] running `Command { std: "docker" "inspect" "6d2bbd83a8d66859c9d5db9715c5df9cab64b633dc43681fe617a0ae213dfcf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d2bbd83a8d66859c9d5db9715c5df9cab64b633dc43681fe617a0ae213dfcf3", kill_on_drop: false }` [INFO] [stdout] 6d2bbd83a8d66859c9d5db9715c5df9cab64b633dc43681fe617a0ae213dfcf3