[INFO] fetching crate timely-master 0.13.0-dev.1... [INFO] checking timely-master-0.13.0-dev.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate timely-master 0.13.0-dev.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate timely-master 0.13.0-dev.1 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 crates.io crate timely-master 0.13.0-dev.1 [INFO] finished tweaking crates.io crate timely-master 0.13.0-dev.1 [INFO] tweaked toml for crates.io crate timely-master 0.13.0-dev.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate timely-master 0.13.0-dev.1 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded timely-container-master v0.13.0-dev.1 [INFO] [stderr] Downloaded timely-logging-master v0.13.0-dev.1 [INFO] [stderr] Downloaded columnation-master v0.1.0-dev.1 [INFO] [stderr] Downloaded abomonation v0.7.3 [INFO] [stderr] Downloaded timely-bytes-master v0.13.0-dev.1 [INFO] [stderr] Downloaded timely-communication-master v0.13.0-dev.1 [INFO] [stderr] Downloaded abomonation_derive v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 28ecd6c7d63f9925820aef2364de427050640db366019ee9ddae4f6d2834c525 [INFO] running `Command { std: "docker" "start" "-a" "28ecd6c7d63f9925820aef2364de427050640db366019ee9ddae4f6d2834c525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28ecd6c7d63f9925820aef2364de427050640db366019ee9ddae4f6d2834c525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28ecd6c7d63f9925820aef2364de427050640db366019ee9ddae4f6d2834c525", kill_on_drop: false }` [INFO] [stdout] 28ecd6c7d63f9925820aef2364de427050640db366019ee9ddae4f6d2834c525 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c5238188f8a1ada2ecda6c1ba807affa7d85b3ba7ad6a636a4b1061f46985af2 [INFO] running `Command { std: "docker" "start" "-a" "c5238188f8a1ada2ecda6c1ba807affa7d85b3ba7ad6a636a4b1061f46985af2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-utils v0.8.17 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking timely-bytes-master v0.13.0-dev.1 [INFO] [stderr] Checking abomonation v0.7.3 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking timely-logging-master v0.13.0-dev.1 [INFO] [stderr] Checking columnation-master v0.1.0-dev.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking crossbeam-channel v0.5.9 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking timely-container-master v0.13.0-dev.1 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Checking timely-communication-master v0.13.0-dev.1 [INFO] [stderr] Checking timely-master v0.13.0-dev.1 (/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:193:29 [INFO] [stdout] | [INFO] [stdout] 193 | 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:193:29 [INFO] [stdout] | [INFO] [stdout] 193 | 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` profile [unoptimized + debuginfo] target(s) in 8.15s [INFO] running `Command { std: "docker" "inspect" "c5238188f8a1ada2ecda6c1ba807affa7d85b3ba7ad6a636a4b1061f46985af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5238188f8a1ada2ecda6c1ba807affa7d85b3ba7ad6a636a4b1061f46985af2", kill_on_drop: false }` [INFO] [stdout] c5238188f8a1ada2ecda6c1ba807affa7d85b3ba7ad6a636a4b1061f46985af2