[INFO] cloning repository https://github.com/dustlang/chalk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/chalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fchalk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fchalk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fbfa00e831a12eae33f1dd56b705655ded3bc42b [INFO] checking dustlang/chalk against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fchalk" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dustlang/chalk on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dustlang/chalk [INFO] finished tweaking git repo https://github.com/dustlang/chalk [INFO] tweaked toml for git repo https://github.com/dustlang/chalk written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dustlang/chalk already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.10 [INFO] [stderr] Downloaded oorandom v11.1.2 [INFO] [stderr] Downloaded tracing-core v0.1.14 [INFO] [stderr] Downloaded lalrpop-util v0.19.0 [INFO] [stderr] Downloaded sharded-slab v0.0.9 [INFO] [stderr] Downloaded ctor v0.1.15 [INFO] [stderr] Downloaded tracing-subscriber v0.2.11 [INFO] [stderr] Downloaded rustyline v7.1.0 [INFO] [stderr] Downloaded lalrpop v0.19.0 [INFO] [stderr] Downloaded salsa v0.16.0 [INFO] [stderr] Downloaded tracing-tree v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35b169ddc582844c9ca40c16502c4531361eaa67d5878d5ded21c3f5f6be8a51 [INFO] running `Command { std: "docker" "start" "-a" "35b169ddc582844c9ca40c16502c4531361eaa67d5878d5ded21c3f5f6be8a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35b169ddc582844c9ca40c16502c4531361eaa67d5878d5ded21c3f5f6be8a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35b169ddc582844c9ca40c16502c4531361eaa67d5878d5ded21c3f5f6be8a51", kill_on_drop: false }` [INFO] [stdout] 35b169ddc582844c9ca40c16502c4531361eaa67d5878d5ded21c3f5f6be8a51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1443c02503e5de94af8d8ae050c39a1309cace0e47b4e45def92a4d98df7a0f8 [INFO] running `Command { std: "docker" "start" "-a" "1443c02503e5de94af8d8ae050c39a1309cace0e47b4e45def92a4d98df7a0f8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.14 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking instant v0.1.6 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking lalrpop-util v0.19.0 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling tracing-attributes v0.1.10 [INFO] [stderr] Compiling chalk-derive v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-derive) [INFO] [stderr] Compiling salsa-macros v0.16.0 [INFO] [stderr] Checking chalk-ir v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-ir) [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking salsa v0.16.0 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking string_cache v0.8.0 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking tracing-subscriber v0.2.11 [INFO] [stderr] Compiling lalrpop v0.19.0 [INFO] [stderr] Checking tracing-tree v0.1.5 [INFO] [stderr] Checking chalk-solve v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-solve) [INFO] [stdout] warning: field `max_universe` is never read [INFO] [stdout] --> chalk-solve/src/infer/canonicalize.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Canonicalized { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 67 | max_universe: UniverseIndex, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Canonicalized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chalk-recursive v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-recursive) [INFO] [stderr] Checking chalk-engine v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-engine) [INFO] [stdout] warning: trait `MergeWith` is never used [INFO] [stdout] --> chalk-recursive/src/recursive.rs:66:7 [INFO] [stdout] | [INFO] [stdout] 66 | trait MergeWith { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chalk-engine/src/logic.rs:1315:9 [INFO] [stdout] | [INFO] [stdout] 1315 | mut canonical_strand: &mut CanonicalStrand, [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chalk-parse v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-parse) [INFO] [stderr] Checking chalk-integration v0.61.0-dev.0 (/opt/rustwide/workdir/chalk-integration) [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> chalk-integration/src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "bench", feature(test))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bench` [INFO] [stdout] --> chalk-integration/src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "bench", feature(test))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `bench` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chalk-integration/src/lowering/env.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 85 | Trait(TraitId), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 85 | Trait(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chalk-integration/src/lowering/env.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 85 | Trait(TraitId), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 85 | Trait(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chalk v0.61.0-dev.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `MergeWith` is never used [INFO] [stdout] --> chalk-recursive/src/recursive.rs:66:7 [INFO] [stdout] | [INFO] [stdout] 66 | trait MergeWith { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chalk-engine/src/logic.rs:1315:9 [INFO] [stdout] | [INFO] [stdout] 1315 | mut canonical_strand: &mut CanonicalStrand, [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `max_universe` is never read [INFO] [stdout] --> chalk-solve/src/infer/canonicalize.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Canonicalized { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 67 | max_universe: UniverseIndex, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Canonicalized` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1443c02503e5de94af8d8ae050c39a1309cace0e47b4e45def92a4d98df7a0f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1443c02503e5de94af8d8ae050c39a1309cace0e47b4e45def92a4d98df7a0f8", kill_on_drop: false }` [INFO] [stdout] 1443c02503e5de94af8d8ae050c39a1309cace0e47b4e45def92a4d98df7a0f8