[INFO] fetching crate prost-amino 0.6.0...
[INFO] checking prost-amino-0.6.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate prost-amino 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate prost-amino 0.6.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-amino 0.6.0
[INFO] finished tweaking crates.io crate prost-amino 0.6.0
[INFO] tweaked toml for crates.io crate prost-amino 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644cb23ebaf6a9323ac35b9601ca6ac6343301c1ef1581cd48addc592c087bd4
[INFO] running `Command { std: "docker" "start" "-a" "644cb23ebaf6a9323ac35b9601ca6ac6343301c1ef1581cd48addc592c087bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644cb23ebaf6a9323ac35b9601ca6ac6343301c1ef1581cd48addc592c087bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644cb23ebaf6a9323ac35b9601ca6ac6343301c1ef1581cd48addc592c087bd4", kill_on_drop: false }`
[INFO] [stdout] 644cb23ebaf6a9323ac35b9601ca6ac6343301c1ef1581cd48addc592c087bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1690f82ac4c36bff1e9c146633d82617ebed4ab126a054662ddc6a402da7b2
[INFO] running `Command { std: "docker" "start" "-a" "4d1690f82ac4c36bff1e9c146633d82617ebed4ab126a054662ddc6a402da7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]     Checking prost-amino v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling prost-amino-derive v0.6.1
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/encoding.rs:1279:61
[INFO] [stdout]      |
[INFO] [stdout] 1279 |             let roundtrip_value = decode_varint(&mut encoded.clone()).expect("decoding failed");
[INFO] [stdout]      |                                                             ^^^^^^^^ unnecessary method 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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/encoding.rs:1282:66
[INFO] [stdout]      |
[INFO] [stdout] 1282 |             let roundtrip_value = decode_varint_slow(&mut encoded.clone()).expect("slow decoding failed");
[INFO] [stdout]      |                                                                  ^^^^^^^^ unnecessary method 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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-amino` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d1690f82ac4c36bff1e9c146633d82617ebed4ab126a054662ddc6a402da7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1690f82ac4c36bff1e9c146633d82617ebed4ab126a054662ddc6a402da7b2", kill_on_drop: false }`
[INFO] [stdout] 4d1690f82ac4c36bff1e9c146633d82617ebed4ab126a054662ddc6a402da7b2