[INFO] fetching crate fixed_width_derive 0.4.0...
[INFO] checking fixed_width_derive-0.4.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate fixed_width_derive 0.4.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate fixed_width_derive 0.4.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed_width_derive 0.4.0
[INFO] finished tweaking crates.io crate fixed_width_derive 0.4.0
[INFO] tweaked toml for crates.io crate fixed_width_derive 0.4.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce5eca60d6fe022c010cea0be0b77f12e4966a3132272999b0cd9819dc835f6
[INFO] running `Command { std: "docker" "start" "-a" "1ce5eca60d6fe022c010cea0be0b77f12e4966a3132272999b0cd9819dc835f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce5eca60d6fe022c010cea0be0b77f12e4966a3132272999b0cd9819dc835f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce5eca60d6fe022c010cea0be0b77f12e4966a3132272999b0cd9819dc835f6", kill_on_drop: false }`
[INFO] [stdout] 1ce5eca60d6fe022c010cea0be0b77f12e4966a3132272999b0cd9819dc835f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8feb8f5290814358bd88dd8e4c2137ac1ee81eaab44684c2fb9033e2220ffa1a
[INFO] running `Command { std: "docker" "start" "-a" "8feb8f5290814358bd88dd8e4c2137ac1ee81eaab44684c2fb9033e2220ffa1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling fixed_width v0.3.0
[INFO] [stderr]     Checking fixed_width_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stdout] warning: field is never read: `record_type`
[INFO] [stdout]   --> tests/integration_test.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub record_type: 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: `record_type`
[INFO] [stdout]   --> tests/integration_test.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub record_type: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `skipped`
[INFO] [stdout]   --> tests/integration_test.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub skipped: i64,
[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 14.79s
[INFO] running `Command { std: "docker" "inspect" "8feb8f5290814358bd88dd8e4c2137ac1ee81eaab44684c2fb9033e2220ffa1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feb8f5290814358bd88dd8e4c2137ac1ee81eaab44684c2fb9033e2220ffa1a", kill_on_drop: false }`
[INFO] [stdout] 8feb8f5290814358bd88dd8e4c2137ac1ee81eaab44684c2fb9033e2220ffa1a