[INFO] fetching crate cargo-fvmc 1.0.0...
[INFO] checking cargo-fvmc-1.0.0 against 1.95.0 for pr-155915
[INFO] extracting crate cargo-fvmc 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cargo-fvmc 1.0.0
[INFO] finished tweaking crates.io crate cargo-fvmc 1.0.0
[INFO] tweaked toml for crates.io crate cargo-fvmc 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-fvmc 1.0.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-fvmc 1.0.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded project-root v0.2.2
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded camino v1.1.2
[INFO] [stderr]   Downloaded cargo_metadata v0.15.3
[INFO] [stderr]   Downloaded serde_json v1.0.92
[INFO] [stderr]   Downloaded toml v0.7.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.0
[INFO] [stderr]   Downloaded toml_edit v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8193918ef60da5a567d5fd907aa39fcc12f88454d12bce0f56514dbc5017e3a
[INFO] running `Command { std: "docker" "start" "-a" "c8193918ef60da5a567d5fd907aa39fcc12f88454d12bce0f56514dbc5017e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8193918ef60da5a567d5fd907aa39fcc12f88454d12bce0f56514dbc5017e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8193918ef60da5a567d5fd907aa39fcc12f88454d12bce0f56514dbc5017e3a", kill_on_drop: false }`
[INFO] [stdout] c8193918ef60da5a567d5fd907aa39fcc12f88454d12bce0f56514dbc5017e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759327d9694f62b7ff779e8b6b42df9c13e7fce37e818b77fd87e1147a9087f4
[INFO] running `Command { std: "docker" "start" "-a" "759327d9694f62b7ff779e8b6b42df9c13e7fce37e818b77fd87e1147a9087f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking project-root v0.2.2
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking toml_datetime v0.6.1
[INFO] [stderr]     Checking serde_spanned v0.6.1
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking toml_edit v0.19.2
[INFO] [stderr]     Checking cargo_metadata v0.15.3
[INFO] [stderr]     Checking toml v0.7.1
[INFO] [stderr]     Checking cargo-fvmc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `meta_version`, `documentation`, `homepage`, and `user` are never read
[INFO] [stdout]   --> src/metadata.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CrateMetadata {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub meta_version: Version,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub documentation: Option<Url>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 21 |     pub homepage: Option<Url>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 22 |     pub user: Option<Map<String, Value>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrateMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `meta_version`, `documentation`, `homepage`, and `user` are never read
[INFO] [stdout]   --> src/metadata.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct CrateMetadata {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub meta_version: Version,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub documentation: Option<Url>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 21 |     pub homepage: Option<Url>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 22 |     pub user: Option<Map<String, Value>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CrateMetadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 17.77s
[INFO] running `Command { std: "docker" "inspect" "759327d9694f62b7ff779e8b6b42df9c13e7fce37e818b77fd87e1147a9087f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759327d9694f62b7ff779e8b6b42df9c13e7fce37e818b77fd87e1147a9087f4", kill_on_drop: false }`
[INFO] [stdout] 759327d9694f62b7ff779e8b6b42df9c13e7fce37e818b77fd87e1147a9087f4
