[INFO] fetching crate int-enum-impl 0.4.0...
[INFO] checking int-enum-impl-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate int-enum-impl 0.4.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate int-enum-impl 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate int-enum-impl 0.4.0
[INFO] finished tweaking crates.io crate int-enum-impl 0.4.0
[INFO] tweaked toml for crates.io crate int-enum-impl 0.4.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99b5418fdedf158c7c1a2e36aed64a65f894e4c0163deb29f67d22f1ff6cb256
[INFO] running `Command { std: "docker" "start" "-a" "99b5418fdedf158c7c1a2e36aed64a65f894e4c0163deb29f67d22f1ff6cb256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b5418fdedf158c7c1a2e36aed64a65f894e4c0163deb29f67d22f1ff6cb256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b5418fdedf158c7c1a2e36aed64a65f894e4c0163deb29f67d22f1ff6cb256", kill_on_drop: false }`
[INFO] [stdout] 99b5418fdedf158c7c1a2e36aed64a65f894e4c0163deb29f67d22f1ff6cb256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 200443ff6fe6d1dcbe009e30e63e60cbd9d167b6225f245e750b178e09fde8ae
[INFO] running `Command { std: "docker" "start" "-a" "200443ff6fe6d1dcbe009e30e63e60cbd9d167b6225f245e750b178e09fde8ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proc-macro2 v1.0.30
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking syn v1.0.80
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking int-enum-impl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq_token`
[INFO] [stdout]   --> src/parse.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub eq_token: Token![=],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eq_token`
[INFO] [stdout]   --> src/parse.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub eq_token: Token![=],
[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 [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "200443ff6fe6d1dcbe009e30e63e60cbd9d167b6225f245e750b178e09fde8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200443ff6fe6d1dcbe009e30e63e60cbd9d167b6225f245e750b178e09fde8ae", kill_on_drop: false }`
[INFO] [stdout] 200443ff6fe6d1dcbe009e30e63e60cbd9d167b6225f245e750b178e09fde8ae
