[INFO] cloning repository https://github.com/TheCodeHeist/evilstack-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheCodeHeist/evilstack-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCodeHeist%2Fevilstack-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCodeHeist%2Fevilstack-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7e4cb875a4963643304694f905d36e0f737dee1 [INFO] building TheCodeHeist/evilstack-lang against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheCodeHeist%2Fevilstack-lang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheCodeHeist/evilstack-lang on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheCodeHeist/evilstack-lang [INFO] finished tweaking git repo https://github.com/TheCodeHeist/evilstack-lang [INFO] tweaked toml for git repo https://github.com/TheCodeHeist/evilstack-lang written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheCodeHeist/evilstack-lang 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c0deaa65ec94282b9a73e466446089be3c76e9c19ffded8dffa1537c6c2d64c [INFO] running `Command { std: "docker" "start" "-a" "8c0deaa65ec94282b9a73e466446089be3c76e9c19ffded8dffa1537c6c2d64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c0deaa65ec94282b9a73e466446089be3c76e9c19ffded8dffa1537c6c2d64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c0deaa65ec94282b9a73e466446089be3c76e9c19ffded8dffa1537c6c2d64c", kill_on_drop: false }` [INFO] [stdout] 8c0deaa65ec94282b9a73e466446089be3c76e9c19ffded8dffa1537c6c2d64c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 866d11de0910d8c1450724225d0abe184b69c04129ed3984c8f0e2b2931947e8 [INFO] running `Command { std: "docker" "start" "-a" "866d11de0910d8c1450724225d0abe184b69c04129ed3984c8f0e2b2931947e8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling evilstack_lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:127:50 [INFO] [stdout] | [INFO] [stdout] 127 | Instruction::Push(ref value, ref pos) => match value { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:599:39 [INFO] [stdout] | [INFO] [stdout] 599 | Instruction::Exit(ref pos) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:696:43 [INFO] [stdout] | [INFO] [stdout] 696 | Instruction::Label(_, ref pos) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:697:41 [INFO] [stdout] | [INFO] [stdout] 697 | Instruction::Random(ref pos) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:1054:50 [INFO] [stdout] | [INFO] [stdout] 1054 | if let Instruction::Label(ref label, pos) = instruction { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/vm/evilstack_vm.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | Time(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 60 | Time(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Duplicate`, `Swap`, `IToA`, `IToF`, and `FToI` are never constructed [INFO] [stdout] --> src/vm/evilstack_vm.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 16 | enum Instruction { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 20 | Duplicate(String), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 21 | Swap(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | IToA(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] 55 | IToF(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] 56 | FToI(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "866d11de0910d8c1450724225d0abe184b69c04129ed3984c8f0e2b2931947e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "866d11de0910d8c1450724225d0abe184b69c04129ed3984c8f0e2b2931947e8", kill_on_drop: false }` [INFO] [stdout] 866d11de0910d8c1450724225d0abe184b69c04129ed3984c8f0e2b2931947e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88ee05eefff74bed809e48d04ca2524d49d233d324c914120c8a89c2d82adb8b [INFO] running `Command { std: "docker" "start" "-a" "88ee05eefff74bed809e48d04ca2524d49d233d324c914120c8a89c2d82adb8b", kill_on_drop: false }` [INFO] [stderr] Compiling evilstack_lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:127:50 [INFO] [stdout] | [INFO] [stdout] 127 | Instruction::Push(ref value, ref pos) => match value { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:599:39 [INFO] [stdout] | [INFO] [stdout] 599 | Instruction::Exit(ref pos) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:696:43 [INFO] [stdout] | [INFO] [stdout] 696 | Instruction::Label(_, ref pos) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:697:41 [INFO] [stdout] | [INFO] [stdout] 697 | Instruction::Random(ref pos) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> src/vm/evilstack_vm.rs:1054:50 [INFO] [stdout] | [INFO] [stdout] 1054 | if let Instruction::Label(ref label, pos) = instruction { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/vm/evilstack_vm.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | Time(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 60 | Time(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Duplicate`, `Swap`, `IToA`, `IToF`, and `FToI` are never constructed [INFO] [stdout] --> src/vm/evilstack_vm.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 16 | enum Instruction { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 20 | Duplicate(String), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 21 | Swap(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | IToA(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] 55 | IToF(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] 56 | FToI(String), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "88ee05eefff74bed809e48d04ca2524d49d233d324c914120c8a89c2d82adb8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88ee05eefff74bed809e48d04ca2524d49d233d324c914120c8a89c2d82adb8b", kill_on_drop: false }` [INFO] [stdout] 88ee05eefff74bed809e48d04ca2524d49d233d324c914120c8a89c2d82adb8b