[INFO] fetching crate jupyter-protocol 0.6.0... [INFO] checking jupyter-protocol-0.6.0 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4 [INFO] extracting crate jupyter-protocol 0.6.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate jupyter-protocol 0.6.0 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jupyter-protocol 0.6.0 [INFO] finished tweaking crates.io crate jupyter-protocol 0.6.0 [INFO] tweaked toml for crates.io crate jupyter-protocol 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "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 uuid v1.16.0 [INFO] [stderr] Downloaded futures-executor v0.3.31 [INFO] [stderr] Downloaded futures-macro v0.3.31 [INFO] [stderr] Downloaded sha1_smol v1.0.1 [INFO] [stderr] Downloaded futures v0.3.31 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d07913b83276d30f0143ce34b86cbddbfe94b0105d26b77217d04aaeb4b417b0 [INFO] running `Command { std: "docker" "start" "-a" "d07913b83276d30f0143ce34b86cbddbfe94b0105d26b77217d04aaeb4b417b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d07913b83276d30f0143ce34b86cbddbfe94b0105d26b77217d04aaeb4b417b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d07913b83276d30f0143ce34b86cbddbfe94b0105d26b77217d04aaeb4b417b0", kill_on_drop: false }` [INFO] [stdout] d07913b83276d30f0143ce34b86cbddbfe94b0105d26b77217d04aaeb4b417b0 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58b91ff4018812b852f84f3c8c53a7b01cd53f9197e603edd11e6099895e1b6d [INFO] running `Command { std: "docker" "start" "-a" "58b91ff4018812b852f84f3c8c53a7b01cd53f9197e603edd11e6099895e1b6d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling getrandom v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking ryu v1.0.20 [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 v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.88 [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 uuid v1.16.0 [INFO] [stderr] Checking chrono v0.4.40 [INFO] [stderr] Checking jupyter-protocol v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/messaging.rs:608:17 [INFO] [stdout] | [INFO] [stdout] 608 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 631 | / impl_message_traits!( [INFO] [stdout] 632 | | ClearOutput, [INFO] [stdout] 633 | | CommClose, [INFO] [stdout] 634 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 665 | | UnknownMessage [INFO] [stdout] 666 | | ); [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:616:17 [INFO] [stdout] | [INFO] [stdout] 616 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 631 | / impl_message_traits!( [INFO] [stdout] 632 | | ClearOutput, [INFO] [stdout] 633 | | CommClose, [INFO] [stdout] 634 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 665 | | UnknownMessage [INFO] [stdout] 666 | | ); [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:730:5 [INFO] [stdout] | [INFO] [stdout] 730 | #[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:738:5 [INFO] [stdout] | [INFO] [stdout] 738 | #[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:608:17 [INFO] [stdout] | [INFO] [stdout] 608 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 631 | / impl_message_traits!( [INFO] [stdout] 632 | | ClearOutput, [INFO] [stdout] 633 | | CommClose, [INFO] [stdout] 634 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 665 | | UnknownMessage [INFO] [stdout] 666 | | ); [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:616:17 [INFO] [stdout] | [INFO] [stdout] 616 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 631 | / impl_message_traits!( [INFO] [stdout] 632 | | ClearOutput, [INFO] [stdout] 633 | | CommClose, [INFO] [stdout] 634 | | CommInfoReply, [INFO] [stdout] ... | [INFO] [stdout] 665 | | UnknownMessage [INFO] [stdout] 666 | | ); [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:730:5 [INFO] [stdout] | [INFO] [stdout] 730 | #[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:738:5 [INFO] [stdout] | [INFO] [stdout] 738 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.14s [INFO] running `Command { std: "docker" "inspect" "58b91ff4018812b852f84f3c8c53a7b01cd53f9197e603edd11e6099895e1b6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b91ff4018812b852f84f3c8c53a7b01cd53f9197e603edd11e6099895e1b6d", kill_on_drop: false }` [INFO] [stdout] 58b91ff4018812b852f84f3c8c53a7b01cd53f9197e603edd11e6099895e1b6d