[INFO] fetching crate http_router_alt 0.2.0... [INFO] checking http_router_alt-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate http_router_alt 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate http_router_alt 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 http_router_alt 0.2.0 [INFO] finished tweaking crates.io crate http_router_alt 0.2.0 [INFO] tweaked toml for crates.io crate http_router_alt 0.2.0 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] Updating crates.io index [INFO] [stderr] Locking 34 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.5.6 (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] 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] Downloading crates ... [INFO] [stderr] Downloaded hyper v1.2.0 [INFO] [stderr] Downloaded rand v0.5.6 [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] cba52803dd7bf39b305fa2e02138a3ef8d0d3c93e885b49e410cf31fb7995b30 [INFO] running `Command { std: "docker" "start" "-a" "cba52803dd7bf39b305fa2e02138a3ef8d0d3c93e885b49e410cf31fb7995b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cba52803dd7bf39b305fa2e02138a3ef8d0d3c93e885b49e410cf31fb7995b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cba52803dd7bf39b305fa2e02138a3ef8d0d3c93e885b49e410cf31fb7995b30", kill_on_drop: false }` [INFO] [stdout] cba52803dd7bf39b305fa2e02138a3ef8d0d3c93e885b49e410cf31fb7995b30 [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] bc3de60f27a523f9229c6a50a3add0fe0aef92aad5521176a062c7907e737cb7 [INFO] running `Command { std: "docker" "start" "-a" "bc3de60f27a523f9229c6a50a3add0fe0aef92aad5521176a062c7907e737cb7", kill_on_drop: false }` [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking hyper v1.2.0 [INFO] [stderr] Checking http_router_alt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 139 - { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] 139 + Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 139 - { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] 139 + Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/lib.rs:407:37 [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 407 - for test_case in test_cases.into_iter() { [INFO] [stdout] 407 + for test_case in test_cases { [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 2.58s [INFO] running `Command { std: "docker" "inspect" "bc3de60f27a523f9229c6a50a3add0fe0aef92aad5521176a062c7907e737cb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc3de60f27a523f9229c6a50a3add0fe0aef92aad5521176a062c7907e737cb7", kill_on_drop: false }` [INFO] [stdout] bc3de60f27a523f9229c6a50a3add0fe0aef92aad5521176a062c7907e737cb7 [INFO] checking http_router_alt-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate http_router_alt 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate http_router_alt 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 http_router_alt 0.2.0 [INFO] finished tweaking crates.io crate http_router_alt 0.2.0 [INFO] tweaked toml for crates.io crate http_router_alt 0.2.0 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 28e856d2c63f982cb5668b05c86e890b08540c22a8b6edde7a4449b40654cd84 [INFO] running `Command { std: "docker" "start" "-a" "28e856d2c63f982cb5668b05c86e890b08540c22a8b6edde7a4449b40654cd84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28e856d2c63f982cb5668b05c86e890b08540c22a8b6edde7a4449b40654cd84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28e856d2c63f982cb5668b05c86e890b08540c22a8b6edde7a4449b40654cd84", kill_on_drop: false }` [INFO] [stdout] 28e856d2c63f982cb5668b05c86e890b08540c22a8b6edde7a4449b40654cd84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ea56f80334d3834739365cc66fa1d042edeaed7e4e3bf163ab588078ff3c613 [INFO] running `Command { std: "docker" "start" "-a" "1ea56f80334d3834739365cc66fa1d042edeaed7e4e3bf163ab588078ff3c613", kill_on_drop: false }` [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking hyper v1.2.0 [INFO] [stderr] Checking http_router_alt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 139 - { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] 139 + Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 139 - { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] 139 + Arc::new(Mutex::new(HashMap::new())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/lib.rs:407:37 [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 407 - for test_case in test_cases.into_iter() { [INFO] [stdout] 407 + for test_case in test_cases { [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 2.62s [INFO] running `Command { std: "docker" "inspect" "1ea56f80334d3834739365cc66fa1d042edeaed7e4e3bf163ab588078ff3c613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea56f80334d3834739365cc66fa1d042edeaed7e4e3bf163ab588078ff3c613", kill_on_drop: false }` [INFO] [stdout] 1ea56f80334d3834739365cc66fa1d042edeaed7e4e3bf163ab588078ff3c613