[INFO] fetching crate rustagram 0.1.0... [INFO] checking rustagram-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rustagram 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate rustagram 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 rustagram 0.1.0 [INFO] finished tweaking crates.io crate rustagram 0.1.0 [INFO] tweaked toml for crates.io crate rustagram 0.1.0 written to /workspace/builds/worker-1-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 38 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding deflate v0.7.20 (latest: v1.0.0) [INFO] [stderr] Adding gif v0.9.2 (latest: v0.13.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding image v0.18.0 (latest: v0.25.1) [INFO] [stderr] Adding inflate v0.3.4 (latest: v0.4.5) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding png v0.11.0 (latest: v0.17.13) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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 png v0.11.0 [INFO] [stderr] Downloaded inflate v0.3.4 [INFO] [stderr] Downloaded image v0.18.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 09443c95c8adcd2585d042b6590ec4c7e4e2b72388e9a15aaccb4acf8f4a83b4 [INFO] running `Command { std: "docker" "start" "-a" "09443c95c8adcd2585d042b6590ec4c7e4e2b72388e9a15aaccb4acf8f4a83b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09443c95c8adcd2585d042b6590ec4c7e4e2b72388e9a15aaccb4acf8f4a83b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09443c95c8adcd2585d042b6590ec4c7e4e2b72388e9a15aaccb4acf8f4a83b4", kill_on_drop: false }` [INFO] [stdout] 09443c95c8adcd2585d042b6590ec4c7e4e2b72388e9a15aaccb4acf8f4a83b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eb2b4a7e61f03a373a1fb2355c949f18f92a04b806134b9478d804b0ece5c093 [INFO] running `Command { std: "docker" "start" "-a" "eb2b4a7e61f03a373a1fb2355c949f18f92a04b806134b9478d804b0ece5c093", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking rustagram v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rustaops/mod.rs:243:57 [INFO] [stdout] | [INFO] [stdout] 243 | fn process_blend(foreground: &I, background: &I, f: &Fn(u8, u8) -> u8) -> ImageBuffer, Vec> [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] 243 | fn process_blend(foreground: &I, background: &I, f: &dyn Fn(u8, u8) -> u8) -> ImageBuffer, Vec> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rustaops/mod.rs:243:57 [INFO] [stdout] | [INFO] [stdout] 243 | fn process_blend(foreground: &I, background: &I, f: &Fn(u8, u8) -> u8) -> ImageBuffer, Vec> [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] 243 | fn process_blend(foreground: &I, background: &I, f: &dyn Fn(u8, u8) -> u8) -> ImageBuffer, Vec> [INFO] [stdout] | +++ [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 4.43s [INFO] running `Command { std: "docker" "inspect" "eb2b4a7e61f03a373a1fb2355c949f18f92a04b806134b9478d804b0ece5c093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb2b4a7e61f03a373a1fb2355c949f18f92a04b806134b9478d804b0ece5c093", kill_on_drop: false }` [INFO] [stdout] eb2b4a7e61f03a373a1fb2355c949f18f92a04b806134b9478d804b0ece5c093