[INFO] fetching crate rysk-tools 0.0.1...
[INFO] checking rysk-tools-0.0.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate rysk-tools 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rysk-tools 0.0.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rysk-tools 0.0.1
[INFO] finished tweaking crates.io crate rysk-tools 0.0.1
[INFO] tweaked toml for crates.io crate rysk-tools 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rysk-tools 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.37
[INFO] [stderr]   Downloaded rysk-tools-macro v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f7094fb3c7f1a37d63b423daff0cc8a8a36dcf745b5f98faf1f0a9572e0944e
[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" "8f7094fb3c7f1a37d63b423daff0cc8a8a36dcf745b5f98faf1f0a9572e0944e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7094fb3c7f1a37d63b423daff0cc8a8a36dcf745b5f98faf1f0a9572e0944e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7094fb3c7f1a37d63b423daff0cc8a8a36dcf745b5f98faf1f0a9572e0944e", kill_on_drop: false }`
[INFO] [stdout] 8f7094fb3c7f1a37d63b423daff0cc8a8a36dcf745b5f98faf1f0a9572e0944e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3c21fc08e43cdc1cabc881df18a167c6fd114db46f9f799ca273a82dadd9e7f
[INFO] running `Command { std: "docker" "start" "-a" "e3c21fc08e43cdc1cabc881df18a167c6fd114db46f9f799ca273a82dadd9e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rysk-tools-macro v0.0.1
[INFO] [stderr]     Checking rysk-tools v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Normal`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Normal([u8; 4]),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Compressed`
[INFO] [stdout]  --> src/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Compressed([u8; 2])
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BaseInstruction`
[INFO] [stdout]   --> src/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BaseInstruction(BaseInstruction),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PseudoInstruction`
[INFO] [stdout]   --> src/instruction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PseudoInstruction(PseudoInstruction)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_pseudo`
[INFO] [stdout]   --> src/instruction.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn make_pseudo(instructions: &mut [Self]) -> (Self, &mut [Self]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Normal`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Normal([u8; 4]),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Compressed`
[INFO] [stdout]  --> src/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Compressed([u8; 2])
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BaseInstruction`
[INFO] [stdout]   --> src/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     BaseInstruction(BaseInstruction),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PseudoInstruction`
[INFO] [stdout]   --> src/instruction.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PseudoInstruction(PseudoInstruction)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_pseudo`
[INFO] [stdout]   --> src/instruction.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn make_pseudo(instructions: &mut [Self]) -> (Self, &mut [Self]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.16s
[INFO] running `Command { std: "docker" "inspect" "e3c21fc08e43cdc1cabc881df18a167c6fd114db46f9f799ca273a82dadd9e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c21fc08e43cdc1cabc881df18a167c6fd114db46f9f799ca273a82dadd9e7f", kill_on_drop: false }`
[INFO] [stdout] e3c21fc08e43cdc1cabc881df18a167c6fd114db46f9f799ca273a82dadd9e7f