[INFO] fetching crate balancer 0.2.0... [INFO] checking balancer-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate balancer 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate balancer 0.2.0 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 balancer 0.2.0 [INFO] finished tweaking crates.io crate balancer 0.2.0 [INFO] tweaked toml for crates.io crate balancer 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate balancer 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.2.6 [INFO] [stderr] Downloaded either v1.8.1 [INFO] [stderr] Downloaded num_cpus v1.15.0 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded memoffset v0.8.0 [INFO] [stderr] Downloaded build-probe-mpi v0.1.2 [INFO] [stderr] Downloaded custom_derive v0.1.7 [INFO] [stderr] Downloaded conv v0.3.3 [INFO] [stderr] Downloaded libffi v3.1.0 [INFO] [stderr] Downloaded clang-sys v1.6.0 [INFO] [stderr] Downloaded libc v0.2.139 [INFO] [stderr] Downloaded indexmap v1.9.2 [INFO] [stderr] Downloaded clap v3.2.23 [INFO] [stderr] Downloaded unicode-ident v1.0.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.51 [INFO] [stderr] Downloaded aho-corasick v0.7.20 [INFO] [stderr] Downloaded libffi-sys v2.1.0 [INFO] [stderr] Downloaded regex-syntax v0.6.28 [INFO] [stderr] Downloaded regex v1.7.1 [INFO] [stderr] Downloaded bindgen v0.60.1 [INFO] [stderr] Downloaded cc v1.0.79 [INFO] [stderr] Downloaded mpi v0.6.0 [INFO] [stderr] Downloaded crossbeam-channel v0.5.7 [INFO] [stderr] Downloaded cexpr v0.6.0 [INFO] [stderr] Downloaded glob v0.3.1 [INFO] [stderr] Downloaded libloading v0.7.4 [INFO] [stderr] Downloaded os_str_bytes v6.4.1 [INFO] [stderr] Downloaded lazycell v1.3.0 [INFO] [stderr] Downloaded quote v1.0.23 [INFO] [stderr] Downloaded which v4.4.0 [INFO] [stderr] Downloaded pkg-config v0.3.26 [INFO] [stderr] Downloaded mpi-sys v0.2.0 [INFO] [stderr] Downloaded once_cell v1.17.1 [INFO] [stderr] Downloaded smallvec v1.10.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.14 [INFO] [stderr] Downloaded crossbeam-utils v0.8.15 [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] 94fac8ee3f69b70126962028f0a3543f22fee427a826c40d832804b557a09f4a [INFO] running `Command { std: "docker" "start" "-a" "94fac8ee3f69b70126962028f0a3543f22fee427a826c40d832804b557a09f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94fac8ee3f69b70126962028f0a3543f22fee427a826c40d832804b557a09f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94fac8ee3f69b70126962028f0a3543f22fee427a826c40d832804b557a09f4a", kill_on_drop: false }` [INFO] [stdout] 94fac8ee3f69b70126962028f0a3543f22fee427a826c40d832804b557a09f4a [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] cc1c9e96836dbd806876239f0734f3171e6bd1e6e7b2b48f00d45e4ff0c92c7f [INFO] running `Command { std: "docker" "start" "-a" "cc1c9e96836dbd806876239f0734f3171e6bd1e6e7b2b48f00d45e4ff0c92c7f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling clang-sys v1.6.0 [INFO] [stderr] Compiling unicode-ident v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling os_str_bytes v6.4.1 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling build-probe-mpi v0.1.2 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling which v4.4.0 [INFO] [stderr] Compiling clap v3.2.23 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling libffi-sys v2.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling regex v1.7.1 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking crossbeam-channel v0.5.7 [INFO] [stderr] Compiling mpi v0.6.0 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Compiling mpi-sys v0.2.0 [INFO] [stderr] Checking libffi v3.1.0 [INFO] [stderr] Checking balancer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Communicator` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use mpi::topology::{Communicator, SystemCommunicator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 6 | use mpi::traits::*; [INFO] [stdout] | -------------- the item `Communicator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Communicator` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use mpi::topology::{Communicator, SystemCommunicator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 6 | use mpi::traits::*; [INFO] [stdout] | -------------- the item `Communicator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "cc1c9e96836dbd806876239f0734f3171e6bd1e6e7b2b48f00d45e4ff0c92c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc1c9e96836dbd806876239f0734f3171e6bd1e6e7b2b48f00d45e4ff0c92c7f", kill_on_drop: false }` [INFO] [stdout] cc1c9e96836dbd806876239f0734f3171e6bd1e6e7b2b48f00d45e4ff0c92c7f [INFO] checking balancer-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate balancer 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate balancer 0.2.0 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 balancer 0.2.0 [INFO] finished tweaking crates.io crate balancer 0.2.0 [INFO] tweaked toml for crates.io crate balancer 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate balancer 0.2.0 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" "+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] c8ef346af97db05a82ff4683af3967c38d25dc04a01b6e8e0ae094a1c047ef64 [INFO] running `Command { std: "docker" "start" "-a" "c8ef346af97db05a82ff4683af3967c38d25dc04a01b6e8e0ae094a1c047ef64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8ef346af97db05a82ff4683af3967c38d25dc04a01b6e8e0ae094a1c047ef64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8ef346af97db05a82ff4683af3967c38d25dc04a01b6e8e0ae094a1c047ef64", kill_on_drop: false }` [INFO] [stdout] c8ef346af97db05a82ff4683af3967c38d25dc04a01b6e8e0ae094a1c047ef64 [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] 234b61facb2f3af084aa44862711d00064c2db8f004b736a6beddbdeeaa73b48 [INFO] running `Command { std: "docker" "start" "-a" "234b61facb2f3af084aa44862711d00064c2db8f004b736a6beddbdeeaa73b48", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling os_str_bytes v6.4.1 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling unicode-ident v1.0.7 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling clang-sys v1.6.0 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling build-probe-mpi v0.1.2 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling clap v3.2.23 [INFO] [stderr] Compiling which v4.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libffi-sys v2.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling regex v1.7.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking crossbeam-channel v0.5.7 [INFO] [stderr] Compiling mpi v0.6.0 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Compiling mpi-sys v0.2.0 [INFO] [stderr] Checking libffi v3.1.0 [INFO] [stderr] Checking balancer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Communicator` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use mpi::topology::{Communicator, SystemCommunicator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 6 | use mpi::traits::*; [INFO] [stdout] | -------------- the item `Communicator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Communicator` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use mpi::topology::{Communicator, SystemCommunicator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 6 | use mpi::traits::*; [INFO] [stdout] | -------------- the item `Communicator` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.52s [INFO] running `Command { std: "docker" "inspect" "234b61facb2f3af084aa44862711d00064c2db8f004b736a6beddbdeeaa73b48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "234b61facb2f3af084aa44862711d00064c2db8f004b736a6beddbdeeaa73b48", kill_on_drop: false }` [INFO] [stdout] 234b61facb2f3af084aa44862711d00064c2db8f004b736a6beddbdeeaa73b48