[INFO] fetching crate protobuf_codec 0.2.8... [INFO] checking protobuf_codec-0.2.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate protobuf_codec 0.2.8 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate protobuf_codec 0.2.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate protobuf_codec 0.2.8 [INFO] finished tweaking crates.io crate protobuf_codec 0.2.8 [INFO] tweaked toml for crates.io crate protobuf_codec 0.2.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding trackable v0.2.24 (latest: v1.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trackable v0.2.24 [INFO] [stderr] Downloaded bytecodec v0.4.15 [INFO] [stderr] Downloaded trackable v1.3.0 [INFO] [stderr] Downloaded trackable_derive v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 201e4068d955a59758bbef6ac0b218a5939774ab8d2bcc47d6bf4661c56c2fc3 [INFO] running `Command { std: "docker" "start" "-a" "201e4068d955a59758bbef6ac0b218a5939774ab8d2bcc47d6bf4661c56c2fc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "201e4068d955a59758bbef6ac0b218a5939774ab8d2bcc47d6bf4661c56c2fc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "201e4068d955a59758bbef6ac0b218a5939774ab8d2bcc47d6bf4661c56c2fc3", kill_on_drop: false }` [INFO] [stdout] 201e4068d955a59758bbef6ac0b218a5939774ab8d2bcc47d6bf4661c56c2fc3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 921ad5e8d138dcfd0e95d6ca2e02d2333365a81ac913ba0cb981d237b009254a [INFO] running `Command { std: "docker" "start" "-a" "921ad5e8d138dcfd0e95d6ca2e02d2333365a81ac913ba0cb981d237b009254a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Checking trackable v1.3.0 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking bytecodec v0.4.15 [INFO] [stderr] Checking protobuf_codec v0.2.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/message.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/value.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/message.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `F2` is imported redundantly [INFO] [stdout] --> src/wellknown/google/protobuf.rs:309:24 [INFO] [stdout] | [INFO] [stdout] 308 | use super::*; [INFO] [stdout] | -------- the item `F2` is already imported here [INFO] [stdout] 309 | use crate::field::{num::F2, MessageFieldDecoder}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MessageDecoder` is imported redundantly [INFO] [stdout] --> src/wellknown/google/protobuf.rs:310:9 [INFO] [stdout] | [INFO] [stdout] 308 | use super::*; [INFO] [stdout] | -------- the item `MessageDecoder` is already imported here [INFO] [stdout] 309 | use crate::field::{num::F2, MessageFieldDecoder}; [INFO] [stdout] 310 | use crate::message::MessageDecoder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Encode` is imported redundantly [INFO] [stdout] --> src/wire.rs:371:9 [INFO] [stdout] | [INFO] [stdout] 371 | use bytecodec::Encode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 372 | [INFO] [stdout] 373 | use super::*; [INFO] [stdout] | -------- the item `Encode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/value.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `values` is never read [INFO] [stdout] --> src/repeated_field.rs:408:5 [INFO] [stdout] | [INFO] [stdout] 406 | pub struct PackedFieldEncoder { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 407 | num: F, [INFO] [stdout] 408 | values: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PackedFieldEncoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `values` is never read [INFO] [stdout] --> src/repeated_field.rs:408:5 [INFO] [stdout] | [INFO] [stdout] 406 | pub struct PackedFieldEncoder { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 407 | num: F, [INFO] [stdout] 408 | values: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PackedFieldEncoder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.16s [INFO] running `Command { std: "docker" "inspect" "921ad5e8d138dcfd0e95d6ca2e02d2333365a81ac913ba0cb981d237b009254a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "921ad5e8d138dcfd0e95d6ca2e02d2333365a81ac913ba0cb981d237b009254a", kill_on_drop: false }` [INFO] [stdout] 921ad5e8d138dcfd0e95d6ca2e02d2333365a81ac913ba0cb981d237b009254a