[INFO] fetching crate recap 0.1.1...
[INFO] checking recap-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate recap 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate recap 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recap 0.1.1
[INFO] finished tweaking crates.io crate recap 0.1.1
[INFO] tweaked toml for crates.io crate recap 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envy v0.4.2
[INFO] [stderr]   Downloaded recap-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413bf077cbd8c392e6873b73bda1247afd0417c47e042b2a4f5f7f9d0e3cfd6f
[INFO] running `Command { std: "docker" "start" "-a" "413bf077cbd8c392e6873b73bda1247afd0417c47e042b2a4f5f7f9d0e3cfd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413bf077cbd8c392e6873b73bda1247afd0417c47e042b2a4f5f7f9d0e3cfd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413bf077cbd8c392e6873b73bda1247afd0417c47e042b2a4f5f7f9d0e3cfd6f", kill_on_drop: false }`
[INFO] [stdout] 413bf077cbd8c392e6873b73bda1247afd0417c47e042b2a4f5f7f9d0e3cfd6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ac2ae0a61ed02fe88c0f69b51814080d028e664d386111f783b466e7a92be0
[INFO] running `Command { std: "docker" "start" "-a" "00ac2ae0a61ed02fe88c0f69b51814080d028e664d386111f783b466e7a92be0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling recap-derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking recap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> examples/log.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     foo: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bar`
[INFO] [stdout]   --> examples/log.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     bar: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baz`
[INFO] [stdout]   --> examples/log.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     baz: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.41s
[INFO] running `Command { std: "docker" "inspect" "00ac2ae0a61ed02fe88c0f69b51814080d028e664d386111f783b466e7a92be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ac2ae0a61ed02fe88c0f69b51814080d028e664d386111f783b466e7a92be0", kill_on_drop: false }`
[INFO] [stdout] 00ac2ae0a61ed02fe88c0f69b51814080d028e664d386111f783b466e7a92be0