[INFO] fetching crate juliet 0.3.0... [INFO] checking juliet-0.3.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate juliet 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate juliet 0.3.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate juliet 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate juliet 0.3.0 [INFO] tweaked toml for crates.io crate juliet 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate juliet 0.3.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded errno v0.3.7 [INFO] [stderr] Downloaded proptest-derive v0.3.0 [INFO] [stderr] Downloaded proptest-attr-macro v1.0.0 [INFO] [stderr] Downloaded bimap v0.6.3 [INFO] [stderr] Downloaded derive_more v1.0.0-beta.2 [INFO] [stderr] Downloaded derive_more-impl v1.0.0-beta.2 [INFO] [stderr] Downloaded futures-macro v0.3.29 [INFO] [stderr] Downloaded rustix v0.38.25 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f09a6a6c8360c352e65e769b7240f2ef60601b92057f67b979d87b88d86621ed [INFO] running `Command { std: "docker" "start" "-a" "f09a6a6c8360c352e65e769b7240f2ef60601b92057f67b979d87b88d86621ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f09a6a6c8360c352e65e769b7240f2ef60601b92057f67b979d87b88d86621ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f09a6a6c8360c352e65e769b7240f2ef60601b92057f67b979d87b88d86621ed", kill_on_drop: false }` [INFO] [stdout] f09a6a6c8360c352e65e769b7240f2ef60601b92057f67b979d87b88d86621ed [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7049bf46dc5c5976beb84e659a7560eca7f9542c2d57cb3205c52b611a100b79 [INFO] running `Command { std: "docker" "start" "-a" "7049bf46dc5c5976beb84e659a7560eca7f9542c2d57cb3205c52b611a100b79", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustix v0.38.25 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling proptest-attr-macro v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling derive_more-impl v1.0.0-beta.2 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking derive_more v1.0.0-beta.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking juliet v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/varint.rs:313:9 [INFO] [stdout] | [INFO] [stdout] 313 | format!("{:?}", Varint32::encode(value)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.04s [INFO] running `Command { std: "docker" "inspect" "7049bf46dc5c5976beb84e659a7560eca7f9542c2d57cb3205c52b611a100b79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7049bf46dc5c5976beb84e659a7560eca7f9542c2d57cb3205c52b611a100b79", kill_on_drop: false }` [INFO] [stdout] 7049bf46dc5c5976beb84e659a7560eca7f9542c2d57cb3205c52b611a100b79 [INFO] checking juliet-0.3.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate juliet 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate juliet 0.3.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate juliet 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate juliet 0.3.0 [INFO] tweaked toml for crates.io crate juliet 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate juliet 0.3.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d4dd8366b48b80b87fb3e2428c37bf8fe759bae3643722d11a25dc2e3623388 [INFO] running `Command { std: "docker" "start" "-a" "2d4dd8366b48b80b87fb3e2428c37bf8fe759bae3643722d11a25dc2e3623388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d4dd8366b48b80b87fb3e2428c37bf8fe759bae3643722d11a25dc2e3623388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d4dd8366b48b80b87fb3e2428c37bf8fe759bae3643722d11a25dc2e3623388", kill_on_drop: false }` [INFO] [stdout] 2d4dd8366b48b80b87fb3e2428c37bf8fe759bae3643722d11a25dc2e3623388 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab18518a5f92904e1be447f88a2d831e487b00981e6de8c907bad2764ebaa9dd [INFO] running `Command { std: "docker" "start" "-a" "ab18518a5f92904e1be447f88a2d831e487b00981e6de8c907bad2764ebaa9dd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling rustix v0.38.25 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling proptest-attr-macro v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling derive_more-impl v1.0.0-beta.2 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking derive_more v1.0.0-beta.2 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking juliet v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/varint.rs:313:9 [INFO] [stdout] | [INFO] [stdout] 313 | format!("{:?}", Varint32::encode(value)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s [INFO] running `Command { std: "docker" "inspect" "ab18518a5f92904e1be447f88a2d831e487b00981e6de8c907bad2764ebaa9dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab18518a5f92904e1be447f88a2d831e487b00981e6de8c907bad2764ebaa9dd", kill_on_drop: false }` [INFO] [stdout] ab18518a5f92904e1be447f88a2d831e487b00981e6de8c907bad2764ebaa9dd