[INFO] fetching crate timely 0.12.0... [INFO] checking timely-0.12.0 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160 [INFO] extracting crate timely 0.12.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate timely 0.12.0 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate timely 0.12.0 [INFO] finished tweaking crates.io crate timely 0.12.0 [INFO] tweaked toml for crates.io crate timely 0.12.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate timely 0.12.0 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.63 [INFO] [stderr] Downloaded timely_bytes v0.12.0 [INFO] [stderr] Downloaded timely_logging v0.12.0 [INFO] [stderr] Downloaded abomonation_derive v0.5.0 [INFO] [stderr] Downloaded serde v1.0.124 [INFO] [stderr] Downloaded abomonation v0.7.3 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded libc v0.2.88 [INFO] [stderr] Downloaded serde_derive v1.0.124 [INFO] [stderr] Downloaded timely_communication v0.12.0 [INFO] [stderr] Downloaded bincode v1.3.2 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4149323f647672b4e1c978a7ee9534bec9859e52bd26f68dfda266daaa27cc2 [INFO] running `Command { std: "docker" "start" "-a" "d4149323f647672b4e1c978a7ee9534bec9859e52bd26f68dfda266daaa27cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4149323f647672b4e1c978a7ee9534bec9859e52bd26f68dfda266daaa27cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4149323f647672b4e1c978a7ee9534bec9859e52bd26f68dfda266daaa27cc2", kill_on_drop: false }` [INFO] [stdout] d4149323f647672b4e1c978a7ee9534bec9859e52bd26f68dfda266daaa27cc2 [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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34ac29d7d6b61241548ebde39fe6602551352a1c6b972698a78f9b81b2a8f485 [INFO] running `Command { std: "docker" "start" "-a" "34ac29d7d6b61241548ebde39fe6602551352a1c6b972698a78f9b81b2a8f485", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking abomonation v0.7.3 [INFO] [stderr] Checking timely_bytes v0.12.0 [INFO] [stderr] Checking timely_logging v0.12.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking timely_communication v0.12.0 [INFO] [stderr] Checking timely v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/synchronization/sequence.rs:160:29 [INFO] [stdout] | [INFO] [stdout] 160 | let mut activator = activator_borrow.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/synchronization/sequence.rs:191:29 [INFO] [stdout] | [INFO] [stdout] 191 | let mut activator = activator_borrow.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/synchronization/sequence.rs:160:29 [INFO] [stdout] | [INFO] [stdout] 160 | let mut activator = activator_borrow.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/synchronization/sequence.rs:191:29 [INFO] [stdout] | [INFO] [stdout] 191 | let mut activator = activator_borrow.as_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `field` is never read [INFO] [stdout] --> examples/rc.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Test { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 11 | field: Rc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Test` has derived impls for the traits `Clone` and `Debug`, but these are 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 [unoptimized + debuginfo] target(s) in 7.65s [INFO] running `Command { std: "docker" "inspect" "34ac29d7d6b61241548ebde39fe6602551352a1c6b972698a78f9b81b2a8f485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34ac29d7d6b61241548ebde39fe6602551352a1c6b972698a78f9b81b2a8f485", kill_on_drop: false }` [INFO] [stdout] 34ac29d7d6b61241548ebde39fe6602551352a1c6b972698a78f9b81b2a8f485