[INFO] fetching crate nar 0.0.8... [INFO] checking nar-0.0.8 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate nar 0.0.8 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate nar 0.0.8 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nar 0.0.8 [INFO] finished tweaking crates.io crate nar 0.0.8 [INFO] tweaked toml for crates.io crate nar 0.0.8 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate nar 0.0.8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 985140d01ed800f719860b606e3339d906f3ef6e9d82400a1565bdd05f93db2a [INFO] running `"docker" "start" "-a" "985140d01ed800f719860b606e3339d906f3ef6e9d82400a1565bdd05f93db2a"` [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking rustyline v6.0.0 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking voile-util v0.2.2 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Checking structopt v0.3.7 [INFO] [stderr] Checking minitt-util v0.2.3 [INFO] [stderr] Checking nar v0.0.8 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `delta1` [INFO] [stderr] --> src/check/rules/clause/split.rs:32:10 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta2` [INFO] [stderr] --> src/check/rules/clause/split.rs:32:27 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/check/rules/clause/split.rs:33:10 [INFO] [stderr] | [INFO] [stderr] 33 | let (data, tcs) = expect_data(tcs, dom.ty)?; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cons_params` [INFO] [stderr] --> src/check/rules/clause/split.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let cons_params = match tcs.def(head.cons_ix) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cons_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `is_forced` [INFO] [stderr] --> src/check/rules/clause/split.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | is_forced: bool, [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_forced` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pats` [INFO] [stderr] --> src/check/rules/clause/split.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | pats: Vec, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pats` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tcs` [INFO] [stderr] --> src/check/pats/mat.rs:126:14 [INFO] [stderr] | [INFO] [stderr] 126 | fn match_pat(tcs: &TCS, p: CorePat, t: Term) -> (Match, Term) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tcs` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta1` [INFO] [stderr] --> src/check/rules/clause/split.rs:32:10 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta2` [INFO] [stderr] --> src/check/rules/clause/split.rs:32:27 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/check/rules/clause/split.rs:33:10 [INFO] [stderr] | [INFO] [stderr] 33 | let (data, tcs) = expect_data(tcs, dom.ty)?; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cons_params` [INFO] [stderr] --> src/check/rules/clause/split.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let cons_params = match tcs.def(head.cons_ix) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cons_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `is_forced` [INFO] [stderr] --> src/check/rules/clause/split.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | is_forced: bool, [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_forced` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pats` [INFO] [stderr] --> src/check/rules/clause/split.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | pats: Vec, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pats` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tcs` [INFO] [stderr] --> src/check/pats/mat.rs:126:14 [INFO] [stderr] | [INFO] [stderr] 126 | fn match_pat(tcs: &TCS, p: CorePat, t: Term) -> (Match, Term) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tcs` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/check/rules/clause/split.rs:32:10 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_implicit_pats` [INFO] [stderr] --> src/check/rules/clause/state.rs:69:15 [INFO] [stderr] | [INFO] [stderr] 69 | pub(super) fn insert_implicit_pats(pats: Vec, tele: &TeleS) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/check/rules/clause/split.rs:32:10 [INFO] [stderr] | [INFO] [stderr] 32 | let (mut delta1, dom, delta2) = split_tele(lhs.tele, ix); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_implicit_pats` [INFO] [stderr] --> src/check/rules/clause/state.rs:69:15 [INFO] [stderr] | [INFO] [stderr] 69 | pub(super) fn insert_implicit_pats(pats: Vec, tele: &TeleS) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.95s [INFO] running `"docker" "inspect" "985140d01ed800f719860b606e3339d906f3ef6e9d82400a1565bdd05f93db2a"` [INFO] running `"docker" "rm" "-f" "985140d01ed800f719860b606e3339d906f3ef6e9d82400a1565bdd05f93db2a"` [INFO] [stdout] 985140d01ed800f719860b606e3339d906f3ef6e9d82400a1565bdd05f93db2a