[INFO] cloning repository https://github.com/aweinstock314/ropship-inspired-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aweinstock314/ropship-inspired-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fropship-inspired-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fropship-inspired-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c926c73cb6390b012aad80e5f239efba0ee0e5b1
[INFO] checking aweinstock314/ropship-inspired-lang against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fropship-inspired-lang" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aweinstock314/ropship-inspired-lang on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aweinstock314/ropship-inspired-lang
[INFO] finished tweaking git repo https://github.com/aweinstock314/ropship-inspired-lang
[INFO] tweaked toml for git repo https://github.com/aweinstock314/ropship-inspired-lang written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/aweinstock314/ropship-inspired-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded goblin v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8956796cdc285c390d6974bd1e079cd392e1ef4f583f5aece9566d44c6b97979
[INFO] running `Command { std: "docker" "start" "-a" "8956796cdc285c390d6974bd1e079cd392e1ef4f583f5aece9566d44c6b97979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8956796cdc285c390d6974bd1e079cd392e1ef4f583f5aece9566d44c6b97979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8956796cdc285c390d6974bd1e079cd392e1ef4f583f5aece9566d44c6b97979", kill_on_drop: false }`
[INFO] [stdout] 8956796cdc285c390d6974bd1e079cd392e1ef4f583f5aece9566d44c6b97979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b32e4f9fe7526907279726c38fde49b044d13d8e2cbe45213f166162f1a0dd6
[INFO] running `Command { std: "docker" "start" "-a" "3b32e4f9fe7526907279726c38fde49b044d13d8e2cbe45213f166162f1a0dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.0
[INFO] [stderr]     Checking ropship-inspired-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/graph_algos.rs:80:38
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use petgraph::{Graph, dot::{Dot, Config}};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gadget`
[INFO] [stdout]    --> src/main.rs:702:36
[INFO] [stdout]     |
[INFO] [stdout] 702 |         fn gadget_available(&self, gadget: GadgetKind) -> bool {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gadget`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `absreg`
[INFO] [stdout]    --> src/main.rs:705:38
[INFO] [stdout]     |
[INFO] [stdout] 705 |         fn physreg_for_absreg(&self, absreg: RegisterNumber) -> X86Reg {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_absreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]    --> src/main.rs:708:34
[INFO] [stdout]     |
[INFO] [stdout] 708 |         fn do_codegen(&mut self, prog: &StackishProgram<HigherLevelOps>) {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gadget`
[INFO] [stdout]    --> src/main.rs:702:36
[INFO] [stdout]     |
[INFO] [stdout] 702 |         fn gadget_available(&self, gadget: GadgetKind) -> bool {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_gadget`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `absreg`
[INFO] [stdout]    --> src/main.rs:705:38
[INFO] [stdout]     |
[INFO] [stdout] 705 |         fn physreg_for_absreg(&self, absreg: RegisterNumber) -> X86Reg {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_absreg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]    --> src/main.rs:708:34
[INFO] [stdout]     |
[INFO] [stdout] 708 |         fn do_codegen(&mut self, prog: &StackishProgram<HigherLevelOps>) {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gadget_locs`
[INFO] [stdout]    --> src/main.rs:698:9
[INFO] [stdout]     |
[INFO] [stdout] 698 |         gadget_locs: BTreeMap<&'gadgets [u8], Vec<usize>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `regalloc`
[INFO] [stdout]    --> src/main.rs:699:9
[INFO] [stdout]     |
[INFO] [stdout] 699 |         regalloc: BTreeMap<RegisterNumber, X86Reg>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gadget_available`
[INFO] [stdout]    --> src/main.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |         fn gadget_available(&self, gadget: GadgetKind) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `physreg_for_absreg`
[INFO] [stdout]    --> src/main.rs:705:12
[INFO] [stdout]     |
[INFO] [stdout] 705 |         fn physreg_for_absreg(&self, absreg: RegisterNumber) -> X86Reg {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_codegen`
[INFO] [stdout]    --> src/main.rs:708:12
[INFO] [stdout]     |
[INFO] [stdout] 708 |         fn do_codegen(&mut self, prog: &StackishProgram<HigherLevelOps>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gadget_locs`
[INFO] [stdout]    --> src/main.rs:698:9
[INFO] [stdout]     |
[INFO] [stdout] 698 |         gadget_locs: BTreeMap<&'gadgets [u8], Vec<usize>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `regalloc`
[INFO] [stdout]    --> src/main.rs:699:9
[INFO] [stdout]     |
[INFO] [stdout] 699 |         regalloc: BTreeMap<RegisterNumber, X86Reg>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gadget_available`
[INFO] [stdout]    --> src/main.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 |         fn gadget_available(&self, gadget: GadgetKind) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `physreg_for_absreg`
[INFO] [stdout]    --> src/main.rs:705:12
[INFO] [stdout]     |
[INFO] [stdout] 705 |         fn physreg_for_absreg(&self, absreg: RegisterNumber) -> X86Reg {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_codegen`
[INFO] [stdout]    --> src/main.rs:708:12
[INFO] [stdout]     |
[INFO] [stdout] 708 |         fn do_codegen(&mut self, prog: &StackishProgram<HigherLevelOps>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.75s
[INFO] running `Command { std: "docker" "inspect" "3b32e4f9fe7526907279726c38fde49b044d13d8e2cbe45213f166162f1a0dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b32e4f9fe7526907279726c38fde49b044d13d8e2cbe45213f166162f1a0dd6", kill_on_drop: false }`
[INFO] [stdout] 3b32e4f9fe7526907279726c38fde49b044d13d8e2cbe45213f166162f1a0dd6