[INFO] updating cached repository https://github.com/gaultier/kotlin-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/gaultier/kotlin-rs
[INFO] [stderr]  * [new branch]      asm-fn     -> asm-fn
[INFO] [stderr]    318b6c4..12e9001  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12e9001f7a5346b904285dd147531be193a3d4c7
[INFO] checking gaultier/kotlin-rs against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaultier%2Fkotlin-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gaultier/kotlin-rs on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gaultier/kotlin-rs
[INFO] finished tweaking git repo https://github.com/gaultier/kotlin-rs
[INFO] tweaked toml for git repo https://github.com/gaultier/kotlin-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gaultier/kotlin-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1349954d50187294e6b26692cfaf69713b09b4d57e0a8d3f6093a10f258576f6
[INFO] running `"docker" "start" "-a" "1349954d50187294e6b26692cfaf69713b09b4d57e0a8d3f6093a10f258576f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking kotlin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::jvm_stack_map_frame::VerificationTypeInfo`
[INFO] [stderr]     --> src/jvm_emitter.rs:1224:9
[INFO] [stderr]      |
[INFO] [stderr] 1224 |     use crate::jvm_stack_map_frame::VerificationTypeInfo;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attributes`
[INFO] [stderr]     --> src/jvm_emitter.rs:1347:24
[INFO] [stderr]      |
[INFO] [stderr] 1347 |             let (code, attributes) = match &main.attributes[0] {
[INFO] [stderr]      |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_attributes`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/jvm_code.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     If {
[INFO] [stderr] 14 | |         if_location: u16,
[INFO] [stderr] 15 | |         if_target: u16,
[INFO] [stderr] 16 | |         goto_location: u16,
[INFO] [stderr] 17 | |         goto_target: u16,
[INFO] [stderr] 18 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Goto`
[INFO] [stderr]   --> src/jvm_code.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     Goto {
[INFO] [stderr] 20 | |         location: u16,
[INFO] [stderr] 21 | |         target: u16,
[INFO] [stderr] 22 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]  --> src/jvm_stack_map_frame.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]  --> src/jvm_stack_map_frame.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Object(u16),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Same`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     Same {
[INFO] [stderr] 14 | |         offset: u8,
[INFO] [stderr] 15 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameLocalsOneStackItem`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     SameLocalsOneStackItem {
[INFO] [stderr] 17 | |         offset: u8,
[INFO] [stderr] 18 | |         stack: VerificationTypeInfo,
[INFO] [stderr] 19 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Full`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     Full {
[INFO] [stderr] 21 | |         offset: u16,
[INFO] [stderr] 22 | |         locals: Vec<VerificationTypeInfo>,
[INFO] [stderr] 23 | |         stack: Vec<VerificationTypeInfo>,
[INFO] [stderr] 24 | |     }, // More to come
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/jvm_code.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     If {
[INFO] [stderr] 14 | |         if_location: u16,
[INFO] [stderr] 15 | |         if_target: u16,
[INFO] [stderr] 16 | |         goto_location: u16,
[INFO] [stderr] 17 | |         goto_target: u16,
[INFO] [stderr] 18 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Goto`
[INFO] [stderr]   --> src/jvm_code.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | /     Goto {
[INFO] [stderr] 20 | |         location: u16,
[INFO] [stderr] 21 | |         target: u16,
[INFO] [stderr] 22 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]  --> src/jvm_stack_map_frame.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]  --> src/jvm_stack_map_frame.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Object(u16),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Same`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     Same {
[INFO] [stderr] 14 | |         offset: u8,
[INFO] [stderr] 15 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameLocalsOneStackItem`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     SameLocalsOneStackItem {
[INFO] [stderr] 17 | |         offset: u8,
[INFO] [stderr] 18 | |         stack: VerificationTypeInfo,
[INFO] [stderr] 19 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Full`
[INFO] [stderr]   --> src/jvm_stack_map_frame.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     Full {
[INFO] [stderr] 21 | |         offset: u16,
[INFO] [stderr] 22 | |         locals: Vec<VerificationTypeInfo>,
[INFO] [stderr] 23 | |         stack: Vec<VerificationTypeInfo>,
[INFO] [stderr] 24 | |     }, // More to come
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.73s
[INFO] running `"docker" "inspect" "1349954d50187294e6b26692cfaf69713b09b4d57e0a8d3f6093a10f258576f6"`
[INFO] running `"docker" "rm" "-f" "1349954d50187294e6b26692cfaf69713b09b4d57e0a8d3f6093a10f258576f6"`
[INFO] [stdout] 1349954d50187294e6b26692cfaf69713b09b4d57e0a8d3f6093a10f258576f6