[INFO] fetching crate zisvalidator_derive 0.1.5...
[INFO] checking zisvalidator_derive-0.1.5 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate zisvalidator_derive 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zisvalidator_derive 0.1.5 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zisvalidator_derive 0.1.5
[INFO] finished tweaking crates.io crate zisvalidator_derive 0.1.5
[INFO] tweaked toml for crates.io crate zisvalidator_derive 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c53cbaa4b2774f00c3d531386a7292a614dd83388a4e157d9a87a2ef53c76e32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c53cbaa4b2774f00c3d531386a7292a614dd83388a4e157d9a87a2ef53c76e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c53cbaa4b2774f00c3d531386a7292a614dd83388a4e157d9a87a2ef53c76e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53cbaa4b2774f00c3d531386a7292a614dd83388a4e157d9a87a2ef53c76e32", kill_on_drop: false }`
[INFO] [stdout] c53cbaa4b2774f00c3d531386a7292a614dd83388a4e157d9a87a2ef53c76e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3750dffe1e0cea2bc5f24df5782d58643de896e6be92c9f8c7b193344976a898
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3750dffe1e0cea2bc5f24df5782d58643de896e6be92c9f8c7b193344976a898", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]     Checking zisvalidator_derive v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MESSAGE`
[INFO] [stdout]   --> src/symbol.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MESSAGE: Symbol = Symbol("message");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MESSAGE`
[INFO] [stdout]   --> src/symbol.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const MESSAGE: Symbol = Symbol("message");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3750dffe1e0cea2bc5f24df5782d58643de896e6be92c9f8c7b193344976a898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3750dffe1e0cea2bc5f24df5782d58643de896e6be92c9f8c7b193344976a898", kill_on_drop: false }`
[INFO] [stdout] 3750dffe1e0cea2bc5f24df5782d58643de896e6be92c9f8c7b193344976a898