[INFO] cloning repository https://github.com/kyperbelt/TTP_Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyperbelt/TTP_Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyperbelt%2FTTP_Compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyperbelt%2FTTP_Compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ef030f9feb66df64959a2066252627e25289e3a
[INFO] building kyperbelt/TTP_Compiler 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%2Fkyperbelt%2FTTP_Compiler" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyperbelt/TTP_Compiler 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/kyperbelt/TTP_Compiler
[INFO] finished tweaking git repo https://github.com/kyperbelt/TTP_Compiler
[INFO] tweaked toml for git repo https://github.com/kyperbelt/TTP_Compiler written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kyperbelt/TTP_Compiler 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4a89022629e0ce541725b0a54e215a43550a8a3f154614c7a3a5e63a9dace4f7
[INFO] running `Command { std: "docker" "start" "-a" "4a89022629e0ce541725b0a54e215a43550a8a3f154614c7a3a5e63a9dace4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a89022629e0ce541725b0a54e215a43550a8a3f154614c7a3a5e63a9dace4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a89022629e0ce541725b0a54e215a43550a8a3f154614c7a3a5e63a9dace4f7", kill_on_drop: false }`
[INFO] [stdout] 4a89022629e0ce541725b0a54e215a43550a8a3f154614c7a3a5e63a9dace4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5854bc9d59d3aac70b305b26d56ec69cb4ee5f9aad16fb231ffa30c80949e0ca
[INFO] running `Command { std: "docker" "start" "-a" "5854bc9d59d3aac70b305b26d56ec69cb4ee5f9aad16fb231ffa30c80949e0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttpc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `operation` is never read
[INFO] [stdout]    --> src/compiler.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct Instruction{
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 172 |     pub operation : Ops,    // operation
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump_memory` is never used
[INFO] [stdout]    --> src/vm.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl VirtualMachine{
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 331 |     fn dump_memory(&self)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     &parser.root.statements.push(statement);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     &parser.root.statements.push(statement);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 &parser.root.statements.push(statement);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5854bc9d59d3aac70b305b26d56ec69cb4ee5f9aad16fb231ffa30c80949e0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5854bc9d59d3aac70b305b26d56ec69cb4ee5f9aad16fb231ffa30c80949e0ca", kill_on_drop: false }`
[INFO] [stdout] 5854bc9d59d3aac70b305b26d56ec69cb4ee5f9aad16fb231ffa30c80949e0ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e5b0a5a5538d417ef114a50581e7f69314af58e26fcc8bfb5c06c07419903677
[INFO] running `Command { std: "docker" "start" "-a" "e5b0a5a5538d417ef114a50581e7f69314af58e26fcc8bfb5c06c07419903677", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttpc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `operation` is never read
[INFO] [stdout]    --> src/compiler.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct Instruction{
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 172 |     pub operation : Ops,    // operation
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump_memory` is never used
[INFO] [stdout]    --> src/vm.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl VirtualMachine{
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 331 |     fn dump_memory(&self)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     &parser.root.statements.push(statement);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     &parser.root.statements.push(statement);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/compiler/parser.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 &parser.root.statements.push(statement);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let _ = &parser.root.statements.push(statement);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e5b0a5a5538d417ef114a50581e7f69314af58e26fcc8bfb5c06c07419903677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b0a5a5538d417ef114a50581e7f69314af58e26fcc8bfb5c06c07419903677", kill_on_drop: false }`
[INFO] [stdout] e5b0a5a5538d417ef114a50581e7f69314af58e26fcc8bfb5c06c07419903677