[INFO] fetching crate prost-bytes05 0.0.2... [INFO] building prost-bytes05-0.0.2 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] extracting crate prost-bytes05 0.0.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate prost-bytes05 0.0.2 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate prost-bytes05 0.0.2 [INFO] finished tweaking crates.io crate prost-bytes05 0.0.2 [INFO] tweaked toml for crates.io crate prost-bytes05 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 97 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (available: v1.10.1) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.6.0) [INFO] [stderr] Adding env_logger v0.7.1 (available: v0.11.8) [INFO] [stderr] Adding prost-derive v0.5.0 (available: v0.13.5) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-derive v0.5.0 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf19626b7608d479a0944a6f59451d7dbccefe0763c17bc764611b3790555620 [INFO] running `Command { std: "docker" "start" "-a" "cf19626b7608d479a0944a6f59451d7dbccefe0763c17bc764611b3790555620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf19626b7608d479a0944a6f59451d7dbccefe0763c17bc764611b3790555620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf19626b7608d479a0944a6f59451d7dbccefe0763c17bc764611b3790555620", kill_on_drop: false }` [INFO] [stdout] cf19626b7608d479a0944a6f59451d7dbccefe0763c17bc764611b3790555620 [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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3986752f3fac09984efc184963ff23f6c983188ca303f62a15ce2b00703d1417 [INFO] running `Command { std: "docker" "start" "-a" "3986752f3fac09984efc184963ff23f6c983188ca303f62a15ce2b00703d1417", kill_on_drop: false }` [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling adler2 v2.0.0 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling miniz_oxide v0.8.8 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling prost-bytes05 v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:102:35 [INFO] [stdout] | [INFO] [stdout] 102 | f.write_str(error::Error::description(self))?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.05s [INFO] running `Command { std: "docker" "inspect" "3986752f3fac09984efc184963ff23f6c983188ca303f62a15ce2b00703d1417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3986752f3fac09984efc184963ff23f6c983188ca303f62a15ce2b00703d1417", kill_on_drop: false }` [INFO] [stdout] 3986752f3fac09984efc184963ff23f6c983188ca303f62a15ce2b00703d1417 [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=warn" "-e" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31af3840e765e250c5fe50756804a75766cc75e996a092a5bfc3db554dcb2d17 [INFO] running `Command { std: "docker" "start" "-a" "31af3840e765e250c5fe50756804a75766cc75e996a092a5bfc3db554dcb2d17", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling half v1.8.3 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling prost-bytes05 v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:102:35 [INFO] [stdout] | [INFO] [stdout] 102 | f.write_str(error::Error::description(self))?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:102:35 [INFO] [stdout] | [INFO] [stdout] 102 | f.write_str(error::Error::description(self))?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/encoding.rs:1443:61 [INFO] [stdout] | [INFO] [stdout] 1443 | let roundtrip_value = decode_varint(&mut encoded.clone()).expect("decoding failed"); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 51.01s [INFO] running `Command { std: "docker" "inspect" "31af3840e765e250c5fe50756804a75766cc75e996a092a5bfc3db554dcb2d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31af3840e765e250c5fe50756804a75766cc75e996a092a5bfc3db554dcb2d17", kill_on_drop: false }` [INFO] [stdout] 31af3840e765e250c5fe50756804a75766cc75e996a092a5bfc3db554dcb2d17