[INFO] cloning repository https://github.com/eddywm/rust-stack-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eddywm/rust-stack-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddywm%2Frust-stack-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddywm%2Frust-stack-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9d6524ad209cd79ea26067ec278e08e88ebeaa3 [INFO] checking eddywm/rust-stack-vm against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddywm%2Frust-stack-vm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eddywm/rust-stack-vm on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eddywm/rust-stack-vm [INFO] finished tweaking git repo https://github.com/eddywm/rust-stack-vm [INFO] tweaked toml for git repo https://github.com/eddywm/rust-stack-vm written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/eddywm/rust-stack-vm 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" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "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 [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking eddywm/rust-stack-vm against try#71235522a9cf955f6b7ff56c0bfb2651ecd0180b for pr-125923 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddywm%2Frust-stack-vm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eddywm/rust-stack-vm on toolchain 71235522a9cf955f6b7ff56c0bfb2651ecd0180b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eddywm/rust-stack-vm [INFO] finished tweaking git repo https://github.com/eddywm/rust-stack-vm [INFO] tweaked toml for git repo https://github.com/eddywm/rust-stack-vm written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/eddywm/rust-stack-vm 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" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 304544fb9dfe5f90d04c2ca6c3a091d3a03838079f1e7bd817867843ee4d3197 [INFO] running `Command { std: "docker" "start" "-a" "304544fb9dfe5f90d04c2ca6c3a091d3a03838079f1e7bd817867843ee4d3197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "304544fb9dfe5f90d04c2ca6c3a091d3a03838079f1e7bd817867843ee4d3197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "304544fb9dfe5f90d04c2ca6c3a091d3a03838079f1e7bd817867843ee4d3197", kill_on_drop: false }` [INFO] [stdout] 304544fb9dfe5f90d04c2ca6c3a091d3a03838079f1e7bd817867843ee4d3197 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6750e205f192aa4067e46027652c0b1f8c711bf82b1901613218978a18b58f7b [INFO] running `Command { std: "docker" "start" "-a" "6750e205f192aa4067e46027652c0b1f8c711bf82b1901613218978a18b58f7b", kill_on_drop: false }` [INFO] [stderr] Checking rust-stack-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `DEFAULT_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | const DEFAULT_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_CALL_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:150:7 [INFO] [stdout] | [INFO] [stdout] 150 | const DEFAULT_CALL_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FALSE` is never used [INFO] [stdout] --> src/lib.rs:151:7 [INFO] [stdout] | [INFO] [stdout] 151 | const FALSE: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TRUE` is never used [INFO] [stdout] --> src/lib.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | const TRUE: i32 = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | const DEFAULT_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_CALL_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:150:7 [INFO] [stdout] | [INFO] [stdout] 150 | const DEFAULT_CALL_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FALSE` is never used [INFO] [stdout] --> src/lib.rs:151:7 [INFO] [stdout] | [INFO] [stdout] 151 | const FALSE: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TRUE` is never used [INFO] [stdout] --> src/lib.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | const TRUE: i32 = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub enum Opcode { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | ICONST, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | LOAD, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | GLOAD, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | STORE, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | GSTORE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | PRINT, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | POP, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | CALL, [INFO] [stdout] | ^^^^ [INFO] [stdout] 59 | RET, [INFO] [stdout] | ^^^ [INFO] [stdout] 60 | HALT, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opcode` 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: function `inst_mapping` is never used [INFO] [stdout] --> src/lib.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn inst_mapping(_opcode: Opcode) -> Instruction { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FuncMetadata` is never constructed [INFO] [stdout] --> src/lib.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct FuncMetadata { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/lib.rs:139:12 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct Context { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | const DEFAULT_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_CALL_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:150:7 [INFO] [stdout] | [INFO] [stdout] 150 | const DEFAULT_CALL_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FALSE` is never used [INFO] [stdout] --> src/lib.rs:151:7 [INFO] [stdout] | [INFO] [stdout] 151 | const FALSE: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TRUE` is never used [INFO] [stdout] --> src/lib.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | const TRUE: i32 = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VM` is never constructed [INFO] [stdout] --> src/lib.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 154 | pub struct VM { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub enum Opcode { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | ICONST, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | LOAD, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | GLOAD, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | STORE, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | PRINT, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | POP, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | CALL, [INFO] [stdout] | ^^^^ [INFO] [stdout] 59 | RET, [INFO] [stdout] | ^^^ [INFO] [stdout] 60 | HALT, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opcode` 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: struct `FuncMetadata` is never constructed [INFO] [stdout] --> src/lib.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct FuncMetadata { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Context` is never constructed [INFO] [stdout] --> src/lib.rs:139:12 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct Context { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | const DEFAULT_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_CALL_STACK_SIZE` is never used [INFO] [stdout] --> src/lib.rs:150:7 [INFO] [stdout] | [INFO] [stdout] 150 | const DEFAULT_CALL_STACK_SIZE: i32 = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FALSE` is never used [INFO] [stdout] --> src/lib.rs:151:7 [INFO] [stdout] | [INFO] [stdout] 151 | const FALSE: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TRUE` is never used [INFO] [stdout] --> src/lib.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | const TRUE: i32 = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VM` is never constructed [INFO] [stdout] --> src/lib.rs:154:12 [INFO] [stdout] | [INFO] [stdout] 154 | pub struct VM { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "6750e205f192aa4067e46027652c0b1f8c711bf82b1901613218978a18b58f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6750e205f192aa4067e46027652c0b1f8c711bf82b1901613218978a18b58f7b", kill_on_drop: false }` [INFO] [stdout] 6750e205f192aa4067e46027652c0b1f8c711bf82b1901613218978a18b58f7b