[INFO] fetching crate walrus 0.20.3... [INFO] checking walrus-0.20.3 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2 [INFO] extracting crate walrus 0.20.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate walrus 0.20.3 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate walrus 0.20.3 [INFO] finished tweaking crates.io crate walrus 0.20.3 [INFO] tweaked toml for crates.io crate walrus 0.20.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate walrus 0.20.3 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termcolor v1.4.0 [INFO] [stderr] Downloaded rayon-core v1.12.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.89 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.89 [INFO] [stderr] Downloaded anyhow v1.0.75 [INFO] [stderr] Downloaded num-traits v0.2.17 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.89 [INFO] [stderr] Downloaded js-sys v0.3.66 [INFO] [stderr] Downloaded regex-syntax v0.8.2 [INFO] [stderr] Downloaded wasm-bindgen v0.2.89 [INFO] [stderr] Downloaded regex-automata v0.4.3 [INFO] [stderr] Downloaded web-sys v0.3.65 [INFO] [stderr] Downloaded libc v0.2.150 [INFO] [stderr] Downloaded serde_json v1.0.108 [INFO] [stderr] Downloaded regex v1.10.2 [INFO] [stderr] Downloaded rayon v1.8.0 [INFO] [stderr] Downloaded walkdir v2.4.0 [INFO] [stderr] Downloaded wasm-encoder v0.29.0 [INFO] [stderr] Downloaded wasmparser v0.80.2 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.89 [INFO] [stderr] Downloaded id-arena v2.2.1 [INFO] [stderr] Downloaded walrus-macro v0.19.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 119578ea84b695b934ca1d88b1c18346a2444e4671429052292a96fb73f03820 [INFO] running `Command { std: "docker" "start" "-a" "119578ea84b695b934ca1d88b1c18346a2444e4671429052292a96fb73f03820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "119578ea84b695b934ca1d88b1c18346a2444e4671429052292a96fb73f03820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "119578ea84b695b934ca1d88b1c18346a2444e4671429052292a96fb73f03820", kill_on_drop: false }` [INFO] [stdout] 119578ea84b695b934ca1d88b1c18346a2444e4671429052292a96fb73f03820 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9bd510e9acf17d0e1cb981c42dbae0a86e96c4a63c8c05d4d4e5e5f5be5bd6a [INFO] running `Command { std: "docker" "start" "-a" "e9bd510e9acf17d0e1cb981c42dbae0a86e96c4a63c8c05d4d4e5e5f5be5bd6a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking wasm-encoder v0.29.0 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking id-arena v2.2.1 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking wasmparser v0.80.2 [INFO] [stderr] Compiling walrus-macro v0.19.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking walrus v0.20.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/error.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bail` [INFO] [stdout] --> src/module/exports.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::{bail, Context}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/module/custom.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | drop(roots); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Roots` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: use of deprecated struct `criterion::Benchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:1:61 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Benchmark, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::Benchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | Benchmark::new("dodrio-todomvc.wasm", |b| { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/benches.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | c.bench( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/error.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bail` [INFO] [stdout] --> src/module/exports.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::{bail, Context}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Module` is imported redundantly [INFO] [stdout] --> src/module/exports.rs:265:34 [INFO] [stdout] | [INFO] [stdout] 264 | use super::*; [INFO] [stdout] | -------- the item `Module` is already imported here [INFO] [stdout] 265 | use crate::{FunctionBuilder, Module}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FunctionBuilder` is imported redundantly [INFO] [stdout] --> src/module/functions/mod.rs:687:25 [INFO] [stdout] | [INFO] [stdout] 686 | use super::*; [INFO] [stdout] | -------- the item `FunctionBuilder` is already imported here [INFO] [stdout] 687 | use crate::{Export, FunctionBuilder, Module}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Module` is imported redundantly [INFO] [stdout] --> src/module/functions/mod.rs:687:42 [INFO] [stdout] | [INFO] [stdout] 686 | use super::*; [INFO] [stdout] | -------- the item `Module` is already imported here [INFO] [stdout] 687 | use crate::{Export, FunctionBuilder, Module}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Module` is imported redundantly [INFO] [stdout] --> src/module/imports.rs:357:34 [INFO] [stdout] | [INFO] [stdout] 356 | use super::*; [INFO] [stdout] | -------- the item `Module` is already imported here [INFO] [stdout] 357 | use crate::{FunctionBuilder, Module}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/module/custom.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | drop(roots); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Roots` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.35s [INFO] running `Command { std: "docker" "inspect" "e9bd510e9acf17d0e1cb981c42dbae0a86e96c4a63c8c05d4d4e5e5f5be5bd6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9bd510e9acf17d0e1cb981c42dbae0a86e96c4a63c8c05d4d4e5e5f5be5bd6a", kill_on_drop: false }` [INFO] [stdout] e9bd510e9acf17d0e1cb981c42dbae0a86e96c4a63c8c05d4d4e5e5f5be5bd6a [INFO] checking walrus-0.20.3 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2 [INFO] extracting crate walrus 0.20.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate walrus 0.20.3 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate walrus 0.20.3 [INFO] finished tweaking crates.io crate walrus 0.20.3 [INFO] tweaked toml for crates.io crate walrus 0.20.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate walrus 0.20.3 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cc3dad2a7a86f333f2022587479418b44340ba64e5fb74870447c117d01ef7f [INFO] running `Command { std: "docker" "start" "-a" "3cc3dad2a7a86f333f2022587479418b44340ba64e5fb74870447c117d01ef7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cc3dad2a7a86f333f2022587479418b44340ba64e5fb74870447c117d01ef7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cc3dad2a7a86f333f2022587479418b44340ba64e5fb74870447c117d01ef7f", kill_on_drop: false }` [INFO] [stdout] 3cc3dad2a7a86f333f2022587479418b44340ba64e5fb74870447c117d01ef7f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bb2d05acbd4f6ee873ff49aa094e120557ce83c6a313f255eb7a1ecd1f325b8 [INFO] running `Command { std: "docker" "start" "-a" "5bb2d05acbd4f6ee873ff49aa094e120557ce83c6a313f255eb7a1ecd1f325b8", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "5bb2d05acbd4f6ee873ff49aa094e120557ce83c6a313f255eb7a1ecd1f325b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb2d05acbd4f6ee873ff49aa094e120557ce83c6a313f255eb7a1ecd1f325b8", kill_on_drop: false }` [INFO] [stdout] 5bb2d05acbd4f6ee873ff49aa094e120557ce83c6a313f255eb7a1ecd1f325b8