[INFO] fetching crate nanoserde 0.2.1...
[INFO] checking nanoserde-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate nanoserde 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nanoserde 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nanoserde 0.2.1
[INFO] tweaked toml for crates.io crate nanoserde 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanoserde 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nanoserde 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoserde-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d06ed7dab009d09a6b26c49c4910925c62bf401b105b5961c7ba0478f05b4b
[INFO] running `Command { std: "docker" "start" "-a" "d5d06ed7dab009d09a6b26c49c4910925c62bf401b105b5961c7ba0478f05b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d06ed7dab009d09a6b26c49c4910925c62bf401b105b5961c7ba0478f05b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d06ed7dab009d09a6b26c49c4910925c62bf401b105b5961c7ba0478f05b4b", kill_on_drop: false }`
[INFO] [stdout] d5d06ed7dab009d09a6b26c49c4910925c62bf401b105b5961c7ba0478f05b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08e5ae4e39ee0a201fba0c70c544a6b32b67a8324777f1705c90c848172c4e71
[INFO] running `Command { std: "docker" "start" "-a" "08e5ae4e39ee0a201fba0c70c544a6b32b67a8324777f1705c90c848172c4e71", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanoserde-derive v0.2.1
[INFO] [stderr]     Checking nanoserde v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `TestEnum` is never used
[INFO] [stdout]  --> tests/parse.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     enum TestEnum {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> tests/parse.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     enum Message { Goodbye, Greeting{} }
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec2` is never constructed
[INFO] [stdout]    --> tests/bin.rs:193:16
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub struct Vec2(pub(crate) f32, pub(crate) f32);
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> tests/bin.rs:245:12
[INFO] [stdout]     |
[INFO] [stdout] 245 |     struct Foo(pub [u8; 3]);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec2` is never constructed
[INFO] [stdout]    --> tests/ron.rs:577:16
[INFO] [stdout]     |
[INFO] [stdout] 577 |     pub struct Vec2(pub(crate) f32, pub(crate) f32);
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec2` is never constructed
[INFO] [stdout]     --> tests/json.rs:1069:16
[INFO] [stdout]      |
[INFO] [stdout] 1069 |     pub struct Vec2(pub(crate) f32, pub(crate) f32);
[INFO] [stdout]      |                ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "08e5ae4e39ee0a201fba0c70c544a6b32b67a8324777f1705c90c848172c4e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e5ae4e39ee0a201fba0c70c544a6b32b67a8324777f1705c90c848172c4e71", kill_on_drop: false }`
[INFO] [stdout] 08e5ae4e39ee0a201fba0c70c544a6b32b67a8324777f1705c90c848172c4e71