[INFO] fetching crate ullage 0.1.0... [INFO] checking ullage-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate ullage 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ullage 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ullage 0.1.0 [INFO] finished tweaking crates.io crate ullage 0.1.0 [INFO] tweaked toml for crates.io crate ullage 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 51 packages [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding llvm-sys v80.3.1 (latest: v181.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded llvm-sys v80.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29ce6f422831608309372a77a3be6a3f7e66fc0361264cc8e9fdd54d7e63929c [INFO] running `Command { std: "docker" "start" "-a" "29ce6f422831608309372a77a3be6a3f7e66fc0361264cc8e9fdd54d7e63929c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29ce6f422831608309372a77a3be6a3f7e66fc0361264cc8e9fdd54d7e63929c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29ce6f422831608309372a77a3be6a3f7e66fc0361264cc8e9fdd54d7e63929c", kill_on_drop: false }` [INFO] [stdout] 29ce6f422831608309372a77a3be6a3f7e66fc0361264cc8e9fdd54d7e63929c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3061a0e0cd714c249b6c945f1f01cc6a348f143195bcacd01b5321766ec4574 [INFO] running `Command { std: "docker" "start" "-a" "a3061a0e0cd714c249b6c945f1f01cc6a348f143195bcacd01b5321766ec4574", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Compiling llvm-sys v80.3.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking rustix v0.38.32 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking docopt v1.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ullage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `core` is imported redundantly [INFO] [stdout] --> src/low_loader/builder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::llvm_sys::core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | use super::llvm_sys::prelude::*; [INFO] [stdout] 10 | use super::llvm_sys::*; [INFO] [stdout] | ------------------ the item `core` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/low_loader/targets.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/syntax/parse.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `core` is imported redundantly [INFO] [stdout] --> src/low_loader/builder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::llvm_sys::core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | use super::llvm_sys::prelude::*; [INFO] [stdout] 10 | use super::llvm_sys::*; [INFO] [stdout] | ------------------ the item `core` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/low_loader/targets.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Literal` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `Literal` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:35 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `Token` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TokenKind` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:42 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `TokenKind` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/syntax/parse.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SourceText` is imported redundantly [INFO] [stdout] --> src/syntax/tree.rs:175:31 [INFO] [stdout] | [INFO] [stdout] 174 | use super::*; [INFO] [stdout] | -------- the item `SourceText` is already imported here [INFO] [stdout] 175 | use crate::syntax::text::{SourceText, DUMMY_SPAN}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:97:44 [INFO] [stdout] | [INFO] [stdout] 97 | fn skip_over

(&mut self, chars: &mut Iterator, mut pred: P) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 97 | fn skip_over

(&mut self, chars: &mut dyn Iterator, mut pred: P) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | chars: &mut Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 122 | chars: &mut dyn Iterator, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:97:44 [INFO] [stdout] | [INFO] [stdout] 97 | fn skip_over

(&mut self, chars: &mut Iterator, mut pred: P) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 97 | fn skip_over

(&mut self, chars: &mut dyn Iterator, mut pred: P) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | chars: &mut Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 122 | chars: &mut dyn Iterator, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lhs_typ`, `rhs_typ`, and `op` are never read [INFO] [stdout] --> src/sem/operators.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SemOp { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | pub lhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | pub rhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | pub op: InfixOp, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lhs_typ`, `rhs_typ`, and `op` are never read [INFO] [stdout] --> src/sem/operators.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SemOp { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | pub lhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | pub rhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | pub op: InfixOp, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s [INFO] running `Command { std: "docker" "inspect" "a3061a0e0cd714c249b6c945f1f01cc6a348f143195bcacd01b5321766ec4574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3061a0e0cd714c249b6c945f1f01cc6a348f143195bcacd01b5321766ec4574", kill_on_drop: false }` [INFO] [stdout] a3061a0e0cd714c249b6c945f1f01cc6a348f143195bcacd01b5321766ec4574 [INFO] checking ullage-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate ullage 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate ullage 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ullage 0.1.0 [INFO] finished tweaking crates.io crate ullage 0.1.0 [INFO] tweaked toml for crates.io crate ullage 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding llvm-sys v80.3.1 (latest: v181.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acd3dc47ff7a0801b18a0339206c6f09ba82c4a4dbec53d54f25136d55ba711f [INFO] running `Command { std: "docker" "start" "-a" "acd3dc47ff7a0801b18a0339206c6f09ba82c4a4dbec53d54f25136d55ba711f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acd3dc47ff7a0801b18a0339206c6f09ba82c4a4dbec53d54f25136d55ba711f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acd3dc47ff7a0801b18a0339206c6f09ba82c4a4dbec53d54f25136d55ba711f", kill_on_drop: false }` [INFO] [stdout] acd3dc47ff7a0801b18a0339206c6f09ba82c4a4dbec53d54f25136d55ba711f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a83ac3fe10c1e0549227a7c41d014d36bf3ebb130eb49bb95d60f9293c7e3bc7 [INFO] running `Command { std: "docker" "start" "-a" "a83ac3fe10c1e0549227a7c41d014d36bf3ebb130eb49bb95d60f9293c7e3bc7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Compiling llvm-sys v80.3.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking rustix v0.38.32 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking docopt v1.1.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ullage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `core` is imported redundantly [INFO] [stdout] --> src/low_loader/builder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::llvm_sys::core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | use super::llvm_sys::prelude::*; [INFO] [stdout] 10 | use super::llvm_sys::*; [INFO] [stdout] | ------------------ the item `core` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/low_loader/targets.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/syntax/parse.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:97:44 [INFO] [stdout] | [INFO] [stdout] 97 | fn skip_over

(&mut self, chars: &mut Iterator, mut pred: P) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 97 | fn skip_over

(&mut self, chars: &mut dyn Iterator, mut pred: P) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | chars: &mut Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 122 | chars: &mut dyn Iterator, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `core` is imported redundantly [INFO] [stdout] --> src/low_loader/builder.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use super::llvm_sys::core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | use super::llvm_sys::prelude::*; [INFO] [stdout] 10 | use super::llvm_sys::*; [INFO] [stdout] | ------------------ the item `core` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/low_loader/targets.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Literal` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `Literal` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:35 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `Token` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TokenKind` is imported redundantly [INFO] [stdout] --> src/syntax/parse/checkparse_tests.rs:8:42 [INFO] [stdout] | [INFO] [stdout] 8 | use super::super::tree::{Literal, Token, TokenKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | use super::super::*; [INFO] [stdout] | --------------- the item `TokenKind` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/syntax/parse.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SourceText` is imported redundantly [INFO] [stdout] --> src/syntax/tree.rs:175:31 [INFO] [stdout] | [INFO] [stdout] 174 | use super::*; [INFO] [stdout] | -------- the item `SourceText` is already imported here [INFO] [stdout] 175 | use crate::syntax::text::{SourceText, DUMMY_SPAN}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/low_loader/context.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 24 | static INIT: Once = Once::new(); [INFO] [stdout] | ~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:97:44 [INFO] [stdout] | [INFO] [stdout] 97 | fn skip_over

(&mut self, chars: &mut Iterator, mut pred: P) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 97 | fn skip_over

(&mut self, chars: &mut dyn Iterator, mut pred: P) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/syntax/parse/tokeniser.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | chars: &mut Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 122 | chars: &mut dyn Iterator, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lhs_typ`, `rhs_typ`, and `op` are never read [INFO] [stdout] --> src/sem/operators.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SemOp { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | pub lhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | pub rhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | pub op: InfixOp, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lhs_typ`, `rhs_typ`, and `op` are never read [INFO] [stdout] --> src/sem/operators.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SemOp { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | pub lhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 15 | pub rhs_typ: Typ, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | pub op: InfixOp, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s [INFO] running `Command { std: "docker" "inspect" "a83ac3fe10c1e0549227a7c41d014d36bf3ebb130eb49bb95d60f9293c7e3bc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a83ac3fe10c1e0549227a7c41d014d36bf3ebb130eb49bb95d60f9293c7e3bc7", kill_on_drop: false }` [INFO] [stdout] a83ac3fe10c1e0549227a7c41d014d36bf3ebb130eb49bb95d60f9293c7e3bc7