[INFO] fetching crate arcon_state 0.2.1... [INFO] checking arcon_state-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate arcon_state 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate arcon_state 0.2.1 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 crates.io crate arcon_state 0.2.1 [INFO] finished tweaking crates.io crate arcon_state 0.2.1 [INFO] tweaked toml for crates.io crate arcon_state 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 80 packages [INFO] [stderr] Adding bindgen v0.59.2 (latest: v0.69.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding metrics v0.16.0 (latest: v0.22.3) [INFO] [stderr] Adding metrics-macros v0.4.1 (latest: v0.7.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding prost v0.9.0 (latest: v0.12.4) [INFO] [stderr] Adding prost-derive v0.9.0 (latest: v0.12.4) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding rocksdb v0.17.0 (latest: v0.22.0) [INFO] [stderr] Adding snafu v0.6.10 (latest: v0.8.2) [INFO] [stderr] Adding snafu-derive v0.6.10 (latest: v0.8.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded doc-comment v0.3.3 [INFO] [stderr] Downloaded snafu-derive v0.6.10 [INFO] [stderr] Downloaded fs2 v0.4.3 [INFO] [stderr] Downloaded snafu v0.6.10 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded metrics-macros v0.4.1 [INFO] [stderr] Downloaded cexpr v0.6.0 [INFO] [stderr] Downloaded t1ha v0.1.2 [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded metrics v0.16.0 [INFO] [stderr] Downloaded clang-sys v1.7.0 [INFO] [stderr] Downloaded minimal-lexical v0.2.1 [INFO] [stderr] Downloaded nom v7.1.3 [INFO] [stderr] Downloaded sled v0.34.7 [INFO] [stderr] Downloaded bindgen v0.59.2 [INFO] [stderr] Downloaded rocksdb v0.17.0 [INFO] [stderr] Downloaded libloading v0.8.3 [INFO] [stderr] Downloaded shlex v1.3.0 [INFO] [stderr] Downloaded librocksdb-sys v6.20.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4312547e56c423566a6c42b554aaa90eeb4cadb7f3f933c1d9fa33c0e4f31b56 [INFO] running `Command { std: "docker" "start" "-a" "4312547e56c423566a6c42b554aaa90eeb4cadb7f3f933c1d9fa33c0e4f31b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4312547e56c423566a6c42b554aaa90eeb4cadb7f3f933c1d9fa33c0e4f31b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4312547e56c423566a6c42b554aaa90eeb4cadb7f3f933c1d9fa33c0e4f31b56", kill_on_drop: false }` [INFO] [stdout] 4312547e56c423566a6c42b554aaa90eeb4cadb7f3f933c1d9fa33c0e4f31b56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 973cbb6b114599b50dd54c072be28271645c3224c57383e49a689c58c6859e9f [INFO] running `Command { std: "docker" "start" "-a" "973cbb6b114599b50dd54c072be28271645c3224c57383e49a689c58c6859e9f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking prost v0.9.0 [INFO] [stderr] Checking arcon_state v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/backend/serialization.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 276 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/backend/sled/mod.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 274 | use super::*; [INFO] [stdout] | -------- the item `fs` is already imported here [INFO] [stdout] 275 | use std::{ [INFO] [stdout] 276 | fs, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.43s [INFO] running `Command { std: "docker" "inspect" "973cbb6b114599b50dd54c072be28271645c3224c57383e49a689c58c6859e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "973cbb6b114599b50dd54c072be28271645c3224c57383e49a689c58c6859e9f", kill_on_drop: false }` [INFO] [stdout] 973cbb6b114599b50dd54c072be28271645c3224c57383e49a689c58c6859e9f [INFO] checking arcon_state-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate arcon_state 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate arcon_state 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arcon_state 0.2.1 [INFO] finished tweaking crates.io crate arcon_state 0.2.1 [INFO] tweaked toml for crates.io crate arcon_state 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5bd052c1b903a104bda271b15d495d332e0195543df24bc17f79d7f16c2dfba [INFO] running `Command { std: "docker" "start" "-a" "e5bd052c1b903a104bda271b15d495d332e0195543df24bc17f79d7f16c2dfba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5bd052c1b903a104bda271b15d495d332e0195543df24bc17f79d7f16c2dfba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5bd052c1b903a104bda271b15d495d332e0195543df24bc17f79d7f16c2dfba", kill_on_drop: false }` [INFO] [stdout] e5bd052c1b903a104bda271b15d495d332e0195543df24bc17f79d7f16c2dfba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b24b8c869f5ea1b9b7dfdfe2e46cf4f4d10f9c5d858d3f1312ef38cf75cfd97 [INFO] running `Command { std: "docker" "start" "-a" "2b24b8c869f5ea1b9b7dfdfe2e46cf4f4d10f9c5d858d3f1312ef38cf75cfd97", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Checking snafu v0.6.10 [INFO] [stderr] Checking prost v0.9.0 [INFO] [stderr] Checking arcon_state v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/backend/serialization.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 276 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/backend/sled/mod.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 274 | use super::*; [INFO] [stdout] | -------- the item `fs` is already imported here [INFO] [stdout] 275 | use std::{ [INFO] [stdout] 276 | fs, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s [INFO] running `Command { std: "docker" "inspect" "2b24b8c869f5ea1b9b7dfdfe2e46cf4f4d10f9c5d858d3f1312ef38cf75cfd97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b24b8c869f5ea1b9b7dfdfe2e46cf4f4d10f9c5d858d3f1312ef38cf75cfd97", kill_on_drop: false }` [INFO] [stdout] 2b24b8c869f5ea1b9b7dfdfe2e46cf4f4d10f9c5d858d3f1312ef38cf75cfd97