[INFO] fetching crate grab-meta 0.1.3...
[INFO] checking grab-meta-0.1.3 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate grab-meta 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate grab-meta 0.1.3 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grab-meta 0.1.3
[INFO] finished tweaking crates.io crate grab-meta 0.1.3
[INFO] tweaked toml for crates.io crate grab-meta 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5154b57ce581fdcd9a44d7b3f4b969632a17d8586376bef41a3807022f72833e
[INFO] running `Command { std: "docker" "start" "-a" "5154b57ce581fdcd9a44d7b3f4b969632a17d8586376bef41a3807022f72833e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5154b57ce581fdcd9a44d7b3f4b969632a17d8586376bef41a3807022f72833e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5154b57ce581fdcd9a44d7b3f4b969632a17d8586376bef41a3807022f72833e", kill_on_drop: false }`
[INFO] [stdout] 5154b57ce581fdcd9a44d7b3f4b969632a17d8586376bef41a3807022f72833e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37e6f086b64544311043a93752a7da097aaa575d984a21b6ed14c4d6b01bff7f
[INFO] running `Command { std: "docker" "start" "-a" "37e6f086b64544311043a93752a7da097aaa575d984a21b6ed14c4d6b01bff7f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
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[INFO] [stderr]     Checking grab-meta v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]   --> src/meta.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MetaIterator {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 28 |     meta: MetaType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaIterator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]   --> src/meta.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MetaIterator {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 28 |     meta: MetaType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaIterator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 26.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xml5ever v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "37e6f086b64544311043a93752a7da097aaa575d984a21b6ed14c4d6b01bff7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e6f086b64544311043a93752a7da097aaa575d984a21b6ed14c4d6b01bff7f", kill_on_drop: false }`
[INFO] [stdout] 37e6f086b64544311043a93752a7da097aaa575d984a21b6ed14c4d6b01bff7f