[INFO] fetching crate jupyter-protocol 0.8.1... [INFO] checking jupyter-protocol-0.8.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate jupyter-protocol 0.8.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate jupyter-protocol 0.8.1 [INFO] finished tweaking crates.io crate jupyter-protocol 0.8.1 [INFO] tweaked toml for crates.io crate jupyter-protocol 0.8.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate jupyter-protocol 0.8.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate jupyter-protocol 0.8.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0034180cf1bb6f87338d63e304cffb637c9c594028ffd17ed993efcf5298a2b [INFO] running `Command { std: "docker" "start" "-a" "c0034180cf1bb6f87338d63e304cffb637c9c594028ffd17ed993efcf5298a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0034180cf1bb6f87338d63e304cffb637c9c594028ffd17ed993efcf5298a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0034180cf1bb6f87338d63e304cffb637c9c594028ffd17ed993efcf5298a2b", kill_on_drop: false }` [INFO] [stdout] c0034180cf1bb6f87338d63e304cffb637c9c594028ffd17ed993efcf5298a2b [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab13f4a0d66de688abc6ca7d849dadcc544bbd5c4547a89713c7355e35aa62c6 [INFO] running `Command { std: "docker" "start" "-a" "ab13f4a0d66de688abc6ca7d849dadcc544bbd5c4547a89713c7355e35aa62c6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.93 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Checking jupyter-protocol v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:641:17 [INFO] [stdout] | [INFO] [stdout] 641 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 664 | / impl_message_traits!( [INFO] [stdout] 665 | | ClearOutput, [INFO] [stdout] 666 | | CommClose, [INFO] [stdout] 667 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 698 | | UnknownMessage [INFO] [stdout] 699 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_message_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:649:17 [INFO] [stdout] | [INFO] [stdout] 649 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 664 | / impl_message_traits!( [INFO] [stdout] 665 | | ClearOutput, [INFO] [stdout] 666 | | CommClose, [INFO] [stdout] 667 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 698 | | UnknownMessage [INFO] [stdout] 699 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_message_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:763:5 [INFO] [stdout] | [INFO] [stdout] 763 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:771:5 [INFO] [stdout] | [INFO] [stdout] 771 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:641:17 [INFO] [stdout] | [INFO] [stdout] 641 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 664 | / impl_message_traits!( [INFO] [stdout] 665 | | ClearOutput, [INFO] [stdout] 666 | | CommClose, [INFO] [stdout] 667 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 698 | | UnknownMessage [INFO] [stdout] 699 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_message_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:649:17 [INFO] [stdout] | [INFO] [stdout] 649 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 664 | / impl_message_traits!( [INFO] [stdout] 665 | | ClearOutput, [INFO] [stdout] 666 | | CommClose, [INFO] [stdout] 667 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 698 | | UnknownMessage [INFO] [stdout] 699 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_message_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:763:5 [INFO] [stdout] | [INFO] [stdout] 763 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:771:5 [INFO] [stdout] | [INFO] [stdout] 771 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.03s [INFO] running `Command { std: "docker" "inspect" "ab13f4a0d66de688abc6ca7d849dadcc544bbd5c4547a89713c7355e35aa62c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab13f4a0d66de688abc6ca7d849dadcc544bbd5c4547a89713c7355e35aa62c6", kill_on_drop: false }` [INFO] [stdout] ab13f4a0d66de688abc6ca7d849dadcc544bbd5c4547a89713c7355e35aa62c6