[INFO] fetching crate batch-loader 0.1.0... [INFO] checking batch-loader-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate batch-loader 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate batch-loader 0.1.0 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 batch-loader 0.1.0 [INFO] finished tweaking crates.io crate batch-loader 0.1.0 [INFO] tweaked toml for crates.io crate batch-loader 0.1.0 written to /workspace/builds/worker-6-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] Updating crates.io index [INFO] [stderr] Locking 41 packages [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.4) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding crossbeam-channel v0.1.3 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-epoch v0.4.3 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.3.2 (latest: v0.8.19) [INFO] [stderr] Adding error-chain v0.11.0 (latest: v0.12.4) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding memoffset v0.2.1 (latest: v0.9.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding owning_ref v0.3.3 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.5.5 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.2.14 (latest: v0.9.9) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [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] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.7.11 [INFO] [stderr] Downloaded worker-sentinel v0.3.1 [INFO] [stderr] Downloaded parking_lot_core v0.2.14 [INFO] [stderr] Downloaded batch-recv v0.1.0 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded parking_lot v0.5.5 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.3 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded rand v0.4.6 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded crossbeam-channel v0.1.3 [INFO] [stderr] Downloaded owning_ref v0.3.3 [INFO] [stderr] Downloaded error-chain v0.11.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8566e49b8673f89daabeaafdff0e3dafd584dc3778329a7c1b540cf7e207b7da [INFO] running `Command { std: "docker" "start" "-a" "8566e49b8673f89daabeaafdff0e3dafd584dc3778329a7c1b540cf7e207b7da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8566e49b8673f89daabeaafdff0e3dafd584dc3778329a7c1b540cf7e207b7da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8566e49b8673f89daabeaafdff0e3dafd584dc3778329a7c1b540cf7e207b7da", kill_on_drop: false }` [INFO] [stdout] 8566e49b8673f89daabeaafdff0e3dafd584dc3778329a7c1b540cf7e207b7da [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef92e79b0a918a1261fc08064f3abd7ec3f07122a83ee3da4156a74231ee4e61 [INFO] running `Command { std: "docker" "start" "-a" "ef92e79b0a918a1261fc08064f3abd7ec3f07122a83ee3da4156a74231ee4e61", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking worker-sentinel v0.3.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking crossbeam-channel v0.1.3 [INFO] [stderr] Checking batch-recv v0.1.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking batch-loader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:241:33 [INFO] [stdout] | [INFO] [stdout] 241 | Box::new(f1) as Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 241 | Box::new(f1) as Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.80s [INFO] running `Command { std: "docker" "inspect" "ef92e79b0a918a1261fc08064f3abd7ec3f07122a83ee3da4156a74231ee4e61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef92e79b0a918a1261fc08064f3abd7ec3f07122a83ee3da4156a74231ee4e61", kill_on_drop: false }` [INFO] [stdout] ef92e79b0a918a1261fc08064f3abd7ec3f07122a83ee3da4156a74231ee4e61 [INFO] checking batch-loader-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate batch-loader 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate batch-loader 0.1.0 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 batch-loader 0.1.0 [INFO] finished tweaking crates.io crate batch-loader 0.1.0 [INFO] tweaked toml for crates.io crate batch-loader 0.1.0 written to /workspace/builds/worker-6-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] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9f95d101af79763dbb35512897444a561331efeb52ffbd9b4029f33e08578aca [INFO] running `Command { std: "docker" "start" "-a" "9f95d101af79763dbb35512897444a561331efeb52ffbd9b4029f33e08578aca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f95d101af79763dbb35512897444a561331efeb52ffbd9b4029f33e08578aca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f95d101af79763dbb35512897444a561331efeb52ffbd9b4029f33e08578aca", kill_on_drop: false }` [INFO] [stdout] 9f95d101af79763dbb35512897444a561331efeb52ffbd9b4029f33e08578aca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fe582ee7e464913fe3159bfe360722e59959c54e815e70b162b239ec0d33bdb0 [INFO] running `Command { std: "docker" "start" "-a" "fe582ee7e464913fe3159bfe360722e59959c54e815e70b162b239ec0d33bdb0", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking worker-sentinel v0.3.1 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking crossbeam-channel v0.1.3 [INFO] [stderr] Checking batch-recv v0.1.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking batch-loader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:241:33 [INFO] [stdout] | [INFO] [stdout] 241 | Box::new(f1) as Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 241 | Box::new(f1) as Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s [INFO] running `Command { std: "docker" "inspect" "fe582ee7e464913fe3159bfe360722e59959c54e815e70b162b239ec0d33bdb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe582ee7e464913fe3159bfe360722e59959c54e815e70b162b239ec0d33bdb0", kill_on_drop: false }` [INFO] [stdout] fe582ee7e464913fe3159bfe360722e59959c54e815e70b162b239ec0d33bdb0