[INFO] fetching crate certified-vars 0.1.4... [INFO] checking certified-vars-0.1.4 against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] extracting crate certified-vars 0.1.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate certified-vars 0.1.4 on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate certified-vars 0.1.4 [INFO] finished tweaking crates.io crate certified-vars 0.1.4 [INFO] tweaked toml for crates.io crate certified-vars 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded beef v0.5.2 [INFO] [stderr] Downloaded ic-cdk v0.5.7 [INFO] [stderr] Downloaded logos v0.12.1 [INFO] [stderr] Downloaded candid v0.7.18 [INFO] [stderr] Downloaded candid_derive v0.4.5 [INFO] [stderr] Downloaded ic-types v0.5.0 [INFO] [stderr] Downloaded logos-derive v0.12.1 [INFO] [stderr] Downloaded binread_derive v2.1.0 [INFO] [stderr] Downloaded binread v2.2.0 [INFO] [stderr] Downloaded pretty v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07f9d50c8bbca195dd4f6df195ae7e193cb5995c06626ef44720ee6ceb19f067 [INFO] running `Command { std: "docker" "start" "-a" "07f9d50c8bbca195dd4f6df195ae7e193cb5995c06626ef44720ee6ceb19f067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07f9d50c8bbca195dd4f6df195ae7e193cb5995c06626ef44720ee6ceb19f067", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07f9d50c8bbca195dd4f6df195ae7e193cb5995c06626ef44720ee6ceb19f067", kill_on_drop: false }` [INFO] [stdout] 07f9d50c8bbca195dd4f6df195ae7e193cb5995c06626ef44720ee6ceb19f067 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6354cd8a730de3b0fa80fc1ae329981369d0eb304387e5a88747ad001ff43a84 [INFO] running `Command { std: "docker" "start" "-a" "6354cd8a730de3b0fa80fc1ae329981369d0eb304387e5a88747ad001ff43a84", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking sha2 v0.9.9 [INFO] [stderr] Checking pretty v0.10.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling lalrpop-util v0.19.12 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Compiling binread_derive v2.1.0 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Compiling candid_derive v0.4.5 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking ic-types v0.5.0 [INFO] [stderr] Checking binread v2.2.0 [INFO] [stderr] Checking logos v0.12.1 [INFO] [stderr] Compiling candid v0.7.18 [INFO] [stderr] Checking ic-cdk v0.5.7 [INFO] [stderr] Checking certified-vars v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `AsRef` is imported redundantly [INFO] [stdout] --> src/rbtree/test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::AsRef; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `AsRef` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rbtree.rs:354:13 [INFO] [stdout] | [INFO] [stdout] 354 | mut h: *mut Node, [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/rbtree.rs:405:13 [INFO] [stdout] | [INFO] [stdout] 405 | mut h: *mut Node, [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/rbtree.rs:927:17 [INFO] [stdout] | [INFO] [stdout] 927 | let mut result = go(self.root, key, value); [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/rbtree.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 886 | mut h: *mut Node, [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/rbtree.rs:1121:9 [INFO] [stdout] | [INFO] [stdout] 1121 | let mut x = (*h).left; [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/rbtree.rs:1139:9 [INFO] [stdout] | [INFO] [stdout] 1139 | let mut x = (*h).right; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DebugView` is never constructed [INFO] [stdout] --> src/rbtree.rs:1195:8 [INFO] [stdout] | [INFO] [stdout] 1195 | struct DebugView(*const Node); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rbtree.rs:354:13 [INFO] [stdout] | [INFO] [stdout] 354 | mut h: *mut Node, [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/rbtree.rs:405:13 [INFO] [stdout] | [INFO] [stdout] 405 | mut h: *mut Node, [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/rbtree.rs:927:17 [INFO] [stdout] | [INFO] [stdout] 927 | let mut result = go(self.root, key, value); [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/rbtree.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 886 | mut h: *mut Node, [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/rbtree.rs:1121:9 [INFO] [stdout] | [INFO] [stdout] 1121 | let mut x = (*h).left; [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/rbtree.rs:1139:9 [INFO] [stdout] | [INFO] [stdout] 1139 | let mut x = (*h).right; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.55s [INFO] running `Command { std: "docker" "inspect" "6354cd8a730de3b0fa80fc1ae329981369d0eb304387e5a88747ad001ff43a84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6354cd8a730de3b0fa80fc1ae329981369d0eb304387e5a88747ad001ff43a84", kill_on_drop: false }` [INFO] [stdout] 6354cd8a730de3b0fa80fc1ae329981369d0eb304387e5a88747ad001ff43a84