[INFO] fetching crate swasm-utils 0.6.1... [INFO] testing swasm-utils-0.6.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate swasm-utils 0.6.1 into /workspace/builds/worker-106/source [INFO] validating manifest of crates.io crate swasm-utils 0.6.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate swasm-utils 0.6.1 [INFO] finished tweaking crates.io crate swasm-utils 0.6.1 [INFO] tweaked toml for crates.io crate swasm-utils 0.6.1 written to /workspace/builds/worker-106/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea7a98dec45531b12026790cde1759143859c270a1e2828e49d66ac4d4054b97 [INFO] running `Command { std: "docker" "start" "-a" "ea7a98dec45531b12026790cde1759143859c270a1e2828e49d66ac4d4054b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea7a98dec45531b12026790cde1759143859c270a1e2828e49d66ac4d4054b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea7a98dec45531b12026790cde1759143859c270a1e2828e49d66ac4d4054b97", kill_on_drop: false }` [INFO] [stdout] ea7a98dec45531b12026790cde1759143859c270a1e2828e49d66ac4d4054b97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f563e138b0e088b0b543cd8083860dcbb17d1104878304e5108c58122f564cf5 [INFO] running `Command { std: "docker" "start" "-a" "f563e138b0e088b0b543cd8083860dcbb17d1104878304e5108c58122f564cf5", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling swasm v0.31.3 [INFO] [stderr] Compiling swasm-utils v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stack_height/mod.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | let mut opcodes = func_body.code_mut(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.71s [INFO] running `Command { std: "docker" "inspect" "f563e138b0e088b0b543cd8083860dcbb17d1104878304e5108c58122f564cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f563e138b0e088b0b543cd8083860dcbb17d1104878304e5108c58122f564cf5", kill_on_drop: false }` [INFO] [stdout] f563e138b0e088b0b543cd8083860dcbb17d1104878304e5108c58122f564cf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5df77e0481497d127f7e6aa3255aff9f7dee77907e22893ff3c1768e4d92657b [INFO] running `Command { std: "docker" "start" "-a" "5df77e0481497d127f7e6aa3255aff9f7dee77907e22893ff3c1768e4d92657b", kill_on_drop: false }` [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling wabt-sys v0.1.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stack_height/mod.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | let mut opcodes = func_body.code_mut(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] error: could not compile `serde_derive` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.130/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=8fe885f1d4439ddc -C extra-filename=-8fe885f1d4439ddc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c2be4b3e2eeadbea.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5df77e0481497d127f7e6aa3255aff9f7dee77907e22893ff3c1768e4d92657b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5df77e0481497d127f7e6aa3255aff9f7dee77907e22893ff3c1768e4d92657b", kill_on_drop: false }` [INFO] [stdout] 5df77e0481497d127f7e6aa3255aff9f7dee77907e22893ff3c1768e4d92657b