[INFO] fetching crate itsy 0.2.0...
[INFO] checking itsy-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate itsy 0.2.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate itsy 0.2.0 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 itsy 0.2.0
[INFO] finished tweaking crates.io crate itsy 0.2.0
[INFO] tweaked toml for crates.io crate itsy 0.2.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate itsy 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded nom v6.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 669ff4895c5dbcd3ede582eb9f641030c6810379a0e69e5a19b838a2e9533b7a
[INFO] running `Command { std: "docker" "start" "-a" "669ff4895c5dbcd3ede582eb9f641030c6810379a0e69e5a19b838a2e9533b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669ff4895c5dbcd3ede582eb9f641030c6810379a0e69e5a19b838a2e9533b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669ff4895c5dbcd3ede582eb9f641030c6810379a0e69e5a19b838a2e9533b7a", kill_on_drop: false }`
[INFO] [stdout] 669ff4895c5dbcd3ede582eb9f641030c6810379a0e69e5a19b838a2e9533b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 67a073b72a77e273f89993e6bc22bca2fd40b9573c0679d0a9e9f3c1306ac1c9
[INFO] running `Command { std: "docker" "start" "-a" "67a073b72a77e273f89993e6bc22bca2fd40b9573c0679d0a9e9f3c1306ac1c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking itsy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Positioned`
[INFO] [stdout]   --> src/bytecode/compiler/compiler.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::frontend::{ast::{self, Bindable, Positioned, Returns}, resolver::ResolvedProgram};
[INFO] [stdout]    |                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Positioned`
[INFO] [stdout]   --> src/bytecode/compiler/compiler.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::frontend::{ast::{self, Bindable, Positioned, Returns}, resolver::ResolvedProgram};
[INFO] [stdout]    |                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_intrinsic_len`
[INFO] [stdout]     --> src/bytecode/compiler/compiler.rs:1238:8
[INFO] [stdout]      |
[INFO] [stdout] 1238 |     fn write_intrinsic_len(self: &Self, ty: &Type) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_intrinsic_len`
[INFO] [stdout]     --> src/bytecode/compiler/compiler.rs:1238:8
[INFO] [stdout]      |
[INFO] [stdout] 1238 |     fn write_intrinsic_len(self: &Self, ty: &Type) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.62s
[INFO] running `Command { std: "docker" "inspect" "67a073b72a77e273f89993e6bc22bca2fd40b9573c0679d0a9e9f3c1306ac1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a073b72a77e273f89993e6bc22bca2fd40b9573c0679d0a9e9f3c1306ac1c9", kill_on_drop: false }`
[INFO] [stdout] 67a073b72a77e273f89993e6bc22bca2fd40b9573c0679d0a9e9f3c1306ac1c9
