[INFO] fetching crate hazy 0.1.1...
[INFO] checking hazy-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate hazy 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hazy 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hazy 0.1.1
[INFO] finished tweaking crates.io crate hazy 0.1.1
[INFO] tweaked toml for crates.io crate hazy 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hazy_derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b178928606aaedc04cf2fb77c56243b94c9bb689b819bf8e29449a7f09d0e28e
[INFO] running `Command { std: "docker" "start" "-a" "b178928606aaedc04cf2fb77c56243b94c9bb689b819bf8e29449a7f09d0e28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b178928606aaedc04cf2fb77c56243b94c9bb689b819bf8e29449a7f09d0e28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b178928606aaedc04cf2fb77c56243b94c9bb689b819bf8e29449a7f09d0e28e", kill_on_drop: false }`
[INFO] [stdout] b178928606aaedc04cf2fb77c56243b94c9bb689b819bf8e29449a7f09d0e28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ca696e20fcdae8e9c60989659660792c3542fe8f4c1710e97d5900df1ddb6c
[INFO] running `Command { std: "docker" "start" "-a" "58ca696e20fcdae8e9c60989659660792c3542fe8f4c1710e97d5900df1ddb6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling hazy_derive v0.1.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking hazy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> examples/simple.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |     HeapSize { e: String },
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> examples/simple.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     a: Box<T>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> examples/simple.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     b: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> examples/simple.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     c: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]   --> examples/simple.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     d: HeapSize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> examples/simple.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     e: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "58ca696e20fcdae8e9c60989659660792c3542fe8f4c1710e97d5900df1ddb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ca696e20fcdae8e9c60989659660792c3542fe8f4c1710e97d5900df1ddb6c", kill_on_drop: false }`
[INFO] [stdout] 58ca696e20fcdae8e9c60989659660792c3542fe8f4c1710e97d5900df1ddb6c