[INFO] fetching crate wasm-component-semver 1.0.1...
[INFO] building wasm-component-semver-1.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wasm-component-semver 1.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate wasm-component-semver 1.0.1
[INFO] finished tweaking crates.io crate wasm-component-semver 1.0.1
[INFO] tweaked toml for crates.io crate wasm-component-semver 1.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-component-semver 1.0.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasm-component-semver 1.0.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5009ea631e0fa4789cf9855f7f7f2dda34c801b8a76ab9ba4c71e0cd4ad4b0
[INFO] running `Command { std: "docker" "start" "-a" "2c5009ea631e0fa4789cf9855f7f7f2dda34c801b8a76ab9ba4c71e0cd4ad4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5009ea631e0fa4789cf9855f7f7f2dda34c801b8a76ab9ba4c71e0cd4ad4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5009ea631e0fa4789cf9855f7f7f2dda34c801b8a76ab9ba4c71e0cd4ad4b0", kill_on_drop: false }`
[INFO] [stdout] 2c5009ea631e0fa4789cf9855f7f7f2dda34c801b8a76ab9ba4c71e0cd4ad4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d37493b5449a1faa218cdbc8ccc26eb11da1f1755283b98536a90dca1e2b366
[INFO] running `Command { std: "docker" "start" "-a" "5d37493b5449a1faa218cdbc8ccc26eb11da1f1755283b98536a90dca1e2b366", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling wasm-component-semver v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_versions` is never used
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T> VersionMap<T> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn from_versions(versions: BTreeMap<WrappedVersion, T>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "5d37493b5449a1faa218cdbc8ccc26eb11da1f1755283b98536a90dca1e2b366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d37493b5449a1faa218cdbc8ccc26eb11da1f1755283b98536a90dca1e2b366", kill_on_drop: false }`
[INFO] [stdout] 5d37493b5449a1faa218cdbc8ccc26eb11da1f1755283b98536a90dca1e2b366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f0569385203c3e5e90768ef09ab426fadcc3b654bc30cb66094dbd83b633114
[INFO] running `Command { std: "docker" "start" "-a" "5f0569385203c3e5e90768ef09ab426fadcc3b654bc30cb66094dbd83b633114", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_versions` is never used
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T> VersionMap<T> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn from_versions(versions: BTreeMap<WrappedVersion, T>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-component-semver v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_versions` is never used
[INFO] [stdout]   --> src/lib.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T> VersionMap<T> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn from_versions(versions: BTreeMap<WrappedVersion, T>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "5f0569385203c3e5e90768ef09ab426fadcc3b654bc30cb66094dbd83b633114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0569385203c3e5e90768ef09ab426fadcc3b654bc30cb66094dbd83b633114", kill_on_drop: false }`
[INFO] [stdout] 5f0569385203c3e5e90768ef09ab426fadcc3b654bc30cb66094dbd83b633114