[INFO] fetching crate kupo 0.1.0...
[INFO] checking kupo-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate kupo 0.1.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate kupo 0.1.0 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 kupo 0.1.0
[INFO] finished tweaking crates.io crate kupo 0.1.0
[INFO] tweaked toml for crates.io crate kupo 0.1.0 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate crates.io crate kupo 0.1.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 5fc32e8468c879a1b2f34972e1ffbb3465bec11f25f6e6bf99b64e9d974862d6
[INFO] running `Command { std: "docker" "start" "-a" "5fc32e8468c879a1b2f34972e1ffbb3465bec11f25f6e6bf99b64e9d974862d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc32e8468c879a1b2f34972e1ffbb3465bec11f25f6e6bf99b64e9d974862d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc32e8468c879a1b2f34972e1ffbb3465bec11f25f6e6bf99b64e9d974862d6", kill_on_drop: false }`
[INFO] [stdout] 5fc32e8468c879a1b2f34972e1ffbb3465bec11f25f6e6bf99b64e9d974862d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 7bed19b62cbb9c4fad41eb582748ff9d422972d26be1ec39f6fa7037d6e230cf
[INFO] running `Command { std: "docker" "start" "-a" "7bed19b62cbb9c4fad41eb582748ff9d422972d26be1ec39f6fa7037d6e230cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking moogle v0.3.1
[INFO] [stderr]     Checking kupo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]  --> src/runtime/code/bytecode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Local(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Local`
[INFO] [stdout]  --> src/runtime/code/bytecode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Local(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RustCallMut`
[INFO] [stdout]   --> src/runtime/code/bytecode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     RustCallMut { rust_fn: usize, arg: Register, out: Register},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_clone`
[INFO] [stdout]   --> src/runtime/code/structure.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new_clone<T: Any>(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> src/runtime/dynamism/asserts.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/runtime/dynamism/asserts.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn extract(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RustCallMut`
[INFO] [stdout]   --> src/runtime/code/bytecode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     RustCallMut { rust_fn: usize, arg: Register, out: Register},
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_clone`
[INFO] [stdout]   --> src/runtime/code/structure.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new_clone<T: Any>(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> src/runtime/dynamism/asserts.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/runtime/dynamism/asserts.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn extract(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.62s
[INFO] running `Command { std: "docker" "inspect" "7bed19b62cbb9c4fad41eb582748ff9d422972d26be1ec39f6fa7037d6e230cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bed19b62cbb9c4fad41eb582748ff9d422972d26be1ec39f6fa7037d6e230cf", kill_on_drop: false }`
[INFO] [stdout] 7bed19b62cbb9c4fad41eb582748ff9d422972d26be1ec39f6fa7037d6e230cf