[INFO] fetching crate serser 0.1.0...
[INFO] checking serser-0.1.0 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate serser 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate serser 0.1.0
[INFO] finished tweaking crates.io crate serser 0.1.0
[INFO] tweaked toml for crates.io crate serser 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serser 0.1.0 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to highest compatible versions
[INFO] [stderr]       Adding base64 v0.22.1 (available: v0.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serser_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3
[INFO] running `Command { std: "docker" "start" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling serser_derive v0.1.0
[INFO] [stderr]     Checking serser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `AnEnum` is never used
[INFO] [stdout]    --> tests/derive_from_tokens.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |         enum AnEnum {}
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `maybe-owned`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.maybe-owned]
[INFO] [stderr]   |               ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `maybe-owned`
[INFO] [stderr] warning: `serser` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3", kill_on_drop: false }`
[INFO] [stdout] ffe4232946c8fed489f030f6d44b9e29529a6e6899a3c5cffebed0ca119eddc3
