[INFO] fetching crate protobuf_codec 0.2.8...
[INFO] checking protobuf_codec-0.2.8 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate protobuf_codec 0.2.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate protobuf_codec 0.2.8 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd1b64f2ca43fa26bfd8f85c2b11e3f94a70494884e0de12f8a9c33a27e09c0
[INFO] running `Command { std: "docker" "start" "-a" "7cd1b64f2ca43fa26bfd8f85c2b11e3f94a70494884e0de12f8a9c33a27e09c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd1b64f2ca43fa26bfd8f85c2b11e3f94a70494884e0de12f8a9c33a27e09c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd1b64f2ca43fa26bfd8f85c2b11e3f94a70494884e0de12f8a9c33a27e09c0", kill_on_drop: false }`
[INFO] [stdout] 7cd1b64f2ca43fa26bfd8f85c2b11e3f94a70494884e0de12f8a9c33a27e09c0
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ee0b3cb9d1c6a1cbb2341cf467e86cb543ce86a2a2aa38f17466a813560962
[INFO] running `Command { std: "docker" "start" "-a" "82ee0b3cb9d1c6a1cbb2341cf467e86cb543ce86a2a2aa38f17466a813560962", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[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: field `values` is never read
[INFO] [stdout]    --> src/repeated_field.rs:408:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | pub struct PackedFieldEncoder<F, E, V: IntoIterator> {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] 407 |     num: F,
[INFO] [stdout] 408 |     values: Option<V::IntoIter>,
[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: field `values` is never read
[INFO] [stdout]    --> src/repeated_field.rs:408:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | pub struct PackedFieldEncoder<F, E, V: IntoIterator> {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] 407 |     num: F,
[INFO] [stdout] 408 |     values: Option<V::IntoIter>,
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.64s
[INFO] running `Command { std: "docker" "inspect" "82ee0b3cb9d1c6a1cbb2341cf467e86cb543ce86a2a2aa38f17466a813560962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ee0b3cb9d1c6a1cbb2341cf467e86cb543ce86a2a2aa38f17466a813560962", kill_on_drop: false }`
[INFO] [stdout] 82ee0b3cb9d1c6a1cbb2341cf467e86cb543ce86a2a2aa38f17466a813560962