[INFO] fetching crate serde-loader 0.2.0...
[INFO] checking serde-loader-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate serde-loader 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate serde-loader 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-loader 0.2.0
[INFO] finished tweaking crates.io crate serde-loader 0.2.0
[INFO] tweaked toml for crates.io crate serde-loader 0.2.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.1.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.13.2)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.13.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7f5302ffaa9d434243af8d9794b64e76f14fc5284ecfca5b49ebe8ff899e67
[INFO] running `Command { std: "docker" "start" "-a" "aa7f5302ffaa9d434243af8d9794b64e76f14fc5284ecfca5b49ebe8ff899e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7f5302ffaa9d434243af8d9794b64e76f14fc5284ecfca5b49ebe8ff899e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7f5302ffaa9d434243af8d9794b64e76f14fc5284ecfca5b49ebe8ff899e67", kill_on_drop: false }`
[INFO] [stdout] aa7f5302ffaa9d434243af8d9794b64e76f14fc5284ecfca5b49ebe8ff899e67
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42099c94323a094061b6546fd8ffcac5a7615419e149580f3ff00df98ea0c9d9
[INFO] running `Command { std: "docker" "start" "-a" "42099c94323a094061b6546fd8ffcac5a7615419e149580f3ff00df98ea0c9d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde-loader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context as _`
[INFO] [stdout]  --> src/common.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use anyhow::{format_err, Context as _, Result};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs`, `mem::ManuallyDrop`, `ptr::NonNull`, and `ptr`
[INFO] [stdout]   --> src/common.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fmt, fs, io,
[INFO] [stdout]    |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     mem::ManuallyDrop,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     ptr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     ptr::NonNull,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context as _`
[INFO] [stdout]  --> src/common.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use anyhow::{format_err, Context as _, Result};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs`, `mem::ManuallyDrop`, `ptr::NonNull`, and `ptr`
[INFO] [stdout]   --> src/common.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fmt, fs, io,
[INFO] [stdout]    |          ^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     mem::ManuallyDrop,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     ptr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 21 |     ptr::NonNull,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "42099c94323a094061b6546fd8ffcac5a7615419e149580f3ff00df98ea0c9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42099c94323a094061b6546fd8ffcac5a7615419e149580f3ff00df98ea0c9d9", kill_on_drop: false }`
[INFO] [stdout] 42099c94323a094061b6546fd8ffcac5a7615419e149580f3ff00df98ea0c9d9