[INFO] fetching crate jajajvm 0.1.1...
[INFO] checking jajajvm-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate jajajvm 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate jajajvm 0.1.1
[INFO] finished tweaking crates.io crate jajajvm 0.1.1
[INFO] tweaked toml for crates.io crate jajajvm 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jajajvm 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jajajvm 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c110253a930790239de0ca7368c0bee8d23db9de78b37367d17f3d8b6dedfb7
[INFO] running `Command { std: "docker" "start" "-a" "7c110253a930790239de0ca7368c0bee8d23db9de78b37367d17f3d8b6dedfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c110253a930790239de0ca7368c0bee8d23db9de78b37367d17f3d8b6dedfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c110253a930790239de0ca7368c0bee8d23db9de78b37367d17f3d8b6dedfb7", kill_on_drop: false }`
[INFO] [stdout] 7c110253a930790239de0ca7368c0bee8d23db9de78b37367d17f3d8b6dedfb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e4907a340b83a8866abc8538eda8515f86af116856b582cd0d65f3e699d3f24
[INFO] running `Command { std: "docker" "start" "-a" "6e4907a340b83a8866abc8538eda8515f86af116856b582cd0d65f3e699d3f24", kill_on_drop: false }`
[INFO] [stderr]     Checking jajajvm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `magic`, `minor_version`, and `major_version` are never read
[INFO] [stdout]  --> src/types.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ClassHeader {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 3 |     pub magic: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |     pub minor_version: u16,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub major_version: u16
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClassHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_flags`, `this_calss`, and `super_class` are never read
[INFO] [stdout]   --> src/types.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ClassInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 9  |     pub access_flags: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub this_calss: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub super_class: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `starting_index` is never read
[INFO] [stdout]   --> src/types.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Class { starting_index: u16 }, // 7
[INFO] [stdout]    |     -----   ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_index` is never read
[INFO] [stdout]   --> src/types.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     MethodOrFieldRef { class_index: u16, name_and_type_index: u16 }, // 9 || 10
[INFO] [stdout]    |     ----------------   ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `magic`, `minor_version`, and `major_version` are never read
[INFO] [stdout]  --> src/types.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ClassHeader {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 3 |     pub magic: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |     pub minor_version: u16,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub major_version: u16
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClassHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `access_flags`, `this_calss`, and `super_class` are never read
[INFO] [stdout]   --> src/types.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ClassInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 9  |     pub access_flags: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub this_calss: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 11 |     pub super_class: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `starting_index` is never read
[INFO] [stdout]   --> src/types.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Class { starting_index: u16 }, // 7
[INFO] [stdout]    |     -----   ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_index` is never read
[INFO] [stdout]   --> src/types.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     MethodOrFieldRef { class_index: u16, name_and_type_index: u16 }, // 9 || 10
[INFO] [stdout]    |     ----------------   ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6e4907a340b83a8866abc8538eda8515f86af116856b582cd0d65f3e699d3f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4907a340b83a8866abc8538eda8515f86af116856b582cd0d65f3e699d3f24", kill_on_drop: false }`
[INFO] [stdout] 6e4907a340b83a8866abc8538eda8515f86af116856b582cd0d65f3e699d3f24