[INFO] cloning repository https://github.com/ruchirK/persisting-arrangements [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruchirK/persisting-arrangements" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fpersisting-arrangements", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fpersisting-arrangements'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1ac686ba1e885f4d6bc721557e77812896a0661 [INFO] checking ruchirK/persisting-arrangements against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruchirK%2Fpersisting-arrangements" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruchirK/persisting-arrangements on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ruchirK/persisting-arrangements [INFO] finished tweaking git repo https://github.com/ruchirK/persisting-arrangements [INFO] tweaked toml for git repo https://github.com/ruchirK/persisting-arrangements written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ruchirK/persisting-arrangements 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/TimelyDataflow/differential-dataflow` [INFO] [stderr] Updating git repository `https://github.com/TimelyDataflow/timely-dataflow` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded abomonation_derive v0.5.0 [INFO] [stderr] Downloaded timely_sort v0.1.6 [INFO] [stderr] Downloaded abomonation v0.7.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b920a2137954f9d916c485f6b4eded4d5a15d65611efae5dae7f78313197e9f6 [INFO] running `Command { std: "docker" "start" "-a" "b920a2137954f9d916c485f6b4eded4d5a15d65611efae5dae7f78313197e9f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b920a2137954f9d916c485f6b4eded4d5a15d65611efae5dae7f78313197e9f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b920a2137954f9d916c485f6b4eded4d5a15d65611efae5dae7f78313197e9f6", kill_on_drop: false }` [INFO] [stdout] b920a2137954f9d916c485f6b4eded4d5a15d65611efae5dae7f78313197e9f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fb09f6d9b869e59ae556894527b84f1e76fbb75d2ab57a574af7b2dd4fd15e8 [INFO] running `Command { std: "docker" "start" "-a" "4fb09f6d9b869e59ae556894527b84f1e76fbb75d2ab57a574af7b2dd4fd15e8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking timely_logging v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#516e1d19) [INFO] [stderr] Checking timely_bytes v0.11.0 (https://github.com/TimelyDataflow/timely-dataflow#516e1d19) [INFO] [stderr] Checking abomonation v0.7.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking timely_sort v0.1.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling abomonation_derive v0.5.0 [INFO] [stderr] Checking timely_communication v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#516e1d19) [INFO] [stderr] Checking timely v0.11.1 (https://github.com/TimelyDataflow/timely-dataflow#516e1d19) [INFO] [stderr] Checking differential-dataflow v0.11.0 (https://github.com/TimelyDataflow/differential-dataflow#1a977866) [INFO] [stderr] Checking persisting-arrangements v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `differential_dataflow::input::Input` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use differential_dataflow::input::Input; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArrangeBySelf` [INFO] [stdout] --> src/main.rs:7:63 [INFO] [stdout] | [INFO] [stdout] 7 | use differential_dataflow::operators::arrange::{ArrangeByKey, ArrangeBySelf}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Handle` [INFO] [stdout] --> src/main.rs:16:42 [INFO] [stdout] | [INFO] [stdout] 16 | use timely::dataflow::operators::probe::{Handle, Probe}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Capability` [INFO] [stdout] --> src/main.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | use timely::dataflow::operators::{Capability, Inspect}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `differential_dataflow::input::Input` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use differential_dataflow::input::Input; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArrangeBySelf` [INFO] [stdout] --> src/main.rs:7:63 [INFO] [stdout] | [INFO] [stdout] 7 | use differential_dataflow::operators::arrange::{ArrangeByKey, ArrangeBySelf}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Handle` [INFO] [stdout] --> src/main.rs:16:42 [INFO] [stdout] | [INFO] [stdout] 16 | use timely::dataflow::operators::probe::{Handle, Probe}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Capability` [INFO] [stdout] --> src/main.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | use timely::dataflow::operators::{Capability, Inspect}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Inspect` [INFO] [stdout] --> src/main.rs:17:47 [INFO] [stdout] | [INFO] [stdout] 17 | use timely::dataflow::operators::{Capability, Inspect}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Probe` [INFO] [stdout] --> src/main.rs:16:50 [INFO] [stdout] | [INFO] [stdout] 16 | use timely::dataflow::operators::probe::{Handle, Probe}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Inspect` [INFO] [stdout] --> src/main.rs:17:47 [INFO] [stdout] | [INFO] [stdout] 17 | use timely::dataflow::operators::{Capability, Inspect}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Probe` [INFO] [stdout] --> src/main.rs:16:50 [INFO] [stdout] | [INFO] [stdout] 16 | use timely::dataflow::operators::probe::{Handle, Probe}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:176:21 [INFO] [stdout] | [INFO] [stdout] 176 | let handle = probe.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:57 [INFO] [stdout] | [INFO] [stdout] 85 | source::<_, _, _, _>(scope, "BatchReader", |mut capability, info| { [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/main.rs:184:29 [INFO] [stdout] | [INFO] [stdout] 184 | let mut time = cap.time().clone(); [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/main.rs:174:55 [INFO] [stdout] | [INFO] [stdout] 174 | let manages = source(scope, "DataInput", |mut capability, info| { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:176:21 [INFO] [stdout] | [INFO] [stdout] 176 | let handle = probe.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut delta = 10000; [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/main.rs:85:57 [INFO] [stdout] | [INFO] [stdout] 85 | source::<_, _, _, _>(scope, "BatchReader", |mut capability, info| { [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:184:29 [INFO] [stdout] | [INFO] [stdout] 184 | let mut time = cap.time().clone(); [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/main.rs:174:55 [INFO] [stdout] | [INFO] [stdout] 174 | let manages = source(scope, "DataInput", |mut capability, info| { [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/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut delta = 10000; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.44s [INFO] running `Command { std: "docker" "inspect" "4fb09f6d9b869e59ae556894527b84f1e76fbb75d2ab57a574af7b2dd4fd15e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fb09f6d9b869e59ae556894527b84f1e76fbb75d2ab57a574af7b2dd4fd15e8", kill_on_drop: false }` [INFO] [stdout] 4fb09f6d9b869e59ae556894527b84f1e76fbb75d2ab57a574af7b2dd4fd15e8