[INFO] cloning repository https://github.com/ggvm-org/ggvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggvm-org/ggvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a0523d215d7ab508a1565c352309d422d6b906a
[INFO] testing ggvm-org/ggvm against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ggvm-org/ggvm on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ggvm-org/ggvm
[INFO] finished tweaking git repo https://github.com/ggvm-org/ggvm
[INFO] tweaked toml for git repo https://github.com/ggvm-org/ggvm written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/ggvm-org/ggvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c874a384de6909925e546862dee3429bfaf5f7e4120932bfc1347c3b5cacb5
[INFO] running `Command { std: "docker" "start" "-a" "f6c874a384de6909925e546862dee3429bfaf5f7e4120932bfc1347c3b5cacb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c874a384de6909925e546862dee3429bfaf5f7e4120932bfc1347c3b5cacb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c874a384de6909925e546862dee3429bfaf5f7e4120932bfc1347c3b5cacb5", kill_on_drop: false }`
[INFO] [stdout] f6c874a384de6909925e546862dee3429bfaf5f7e4120932bfc1347c3b5cacb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475fe5ccbb605584483801311004ec649f8dbe7763aeda136fdbfd02401ce5fa
[INFO] running `Command { std: "docker" "start" "-a" "475fe5ccbb605584483801311004ec649f8dbe7763aeda136fdbfd02401ce5fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling plan9_asm v0.1.5
[INFO] [stderr]    Compiling go_ast v0.1.0 (/opt/rustwide/workdir/go_ast)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> go_ast/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(s: String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_main`
[INFO] [stdout]   --> go_ast/src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new_main() -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> go_ast/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `math_rand`
[INFO] [stdout]   --> go_ast/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn math_rand() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> go_ast/src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(name: String, ret_type: Type, wrap: &'static str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> compiler/src/link/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let offset = func.stmts.iter().fold(0, |mut offset, stmt| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |         &Statement::Local(op, b) => h.extend(analyze_operand(&op)),
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         &Instruction::Ret(typ, op) => h.extend(analyze_operand(&op)),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `go_asm`
[INFO] [stdout]  --> compiler/src/link/mod.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stdout]   |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_go_asm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stacksize`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) stacksize: 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: `env`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) env: Environment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(stacksize: usize, env: Environment, func: Func) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goroutine_prologue`
[INFO] [stdout]  --> compiler/src/go_assembly/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new_goroutine_prologue() -> Self {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goroutine_epilogue`
[INFO] [stdout]   --> compiler/src/go_assembly/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new_goroutine_epilogue() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `link`
[INFO] [stdout]  --> compiler/src/link/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> compiler/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     args: Vec<Arg>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret_type`
[INFO] [stdout]   --> compiler/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ret_type: Typ,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ggvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "475fe5ccbb605584483801311004ec649f8dbe7763aeda136fdbfd02401ce5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475fe5ccbb605584483801311004ec649f8dbe7763aeda136fdbfd02401ce5fa", kill_on_drop: false }`
[INFO] [stdout] 475fe5ccbb605584483801311004ec649f8dbe7763aeda136fdbfd02401ce5fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c704fe843b052dd91cf4532c940894cd843f66f0f772a291e0bdb2af7525b0cc
[INFO] running `Command { std: "docker" "start" "-a" "c704fe843b052dd91cf4532c940894cd843f66f0f772a291e0bdb2af7525b0cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> go_ast/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(s: String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_main`
[INFO] [stdout]   --> go_ast/src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new_main() -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> go_ast/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `math_rand`
[INFO] [stdout]   --> go_ast/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn math_rand() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> go_ast/src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new(name: String, ret_type: Type, wrap: &'static str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> compiler/src/link/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let offset = func.stmts.iter().fold(0, |mut offset, stmt| {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:79:31
[INFO] [stdout]    |
[INFO] [stdout] 79 |         &Statement::Local(op, b) => h.extend(analyze_operand(&op)),
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         &Instruction::Ret(typ, op) => h.extend(analyze_operand(&op)),
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typ`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> compiler/src/codegen/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `go_asm`
[INFO] [stdout]  --> compiler/src/link/mod.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stdout]   |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_go_asm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stacksize`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub(crate) stacksize: 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: `env`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) env: Environment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> compiler/src/analyze/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(stacksize: usize, env: Environment, func: Func) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goroutine_prologue`
[INFO] [stdout]  --> compiler/src/go_assembly/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new_goroutine_prologue() -> Self {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goroutine_epilogue`
[INFO] [stdout]   --> compiler/src/go_assembly/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new_goroutine_epilogue() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `link`
[INFO] [stdout]  --> compiler/src/link/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> compiler/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     args: Vec<Arg>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret_type`
[INFO] [stdout]   --> compiler/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     ret_type: Typ,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling insta v1.12.0
[INFO] [stderr]    Compiling ggvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "c704fe843b052dd91cf4532c940894cd843f66f0f772a291e0bdb2af7525b0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c704fe843b052dd91cf4532c940894cd843f66f0f772a291e0bdb2af7525b0cc", kill_on_drop: false }`
[INFO] [stdout] c704fe843b052dd91cf4532c940894cd843f66f0f772a291e0bdb2af7525b0cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ee62f759abe655b4190a23645d6c75485bc12cb77d9703363f76dfc0e683cf9
[INFO] running `Command { std: "docker" "start" "-a" "2ee62f759abe655b4190a23645d6c75485bc12cb77d9703363f76dfc0e683cf9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> go_ast/src/lib.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn new(s: String) -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_main`
[INFO] [stderr]   --> go_ast/src/lib.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new_main() -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> go_ast/src/lib.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(s: String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `math_rand`
[INFO] [stderr]   --> go_ast/src/lib.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn math_rand() -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> go_ast/src/lib.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(name: String, ret_type: Type, wrap: &'static str) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `go_ast` (lib) generated 5 warnings
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> compiler/src/link/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let offset = func.stmts.iter().fold(0, |mut offset, stmt| {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:79:31
[INFO] [stderr]    |
[INFO] [stderr] 79 |         &Statement::Local(op, b) => h.extend(analyze_operand(&op)),
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         &Instruction::Ret(typ, op) => h.extend(analyze_operand(&op)),
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stderr]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inst`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 |         Statement::Local(op, inst) => unimplemented!(),
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Instruction::Add(typ, a, b) => unimplemented!(),
[INFO] [stderr]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_typ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> compiler/src/codegen/mod.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Instruction::Ret(typ, a) => vec![directive!(RET)],
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `go_asm`
[INFO] [stderr]  --> compiler/src/link/mod.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stderr]   |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_go_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stacksize`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) stacksize: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `env`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) env: Environment,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> compiler/src/analyze/mod.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn new(stacksize: usize, env: Environment, func: Func) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_goroutine_prologue`
[INFO] [stderr]  --> compiler/src/go_assembly/mod.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn new_goroutine_prologue() -> Self {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_goroutine_epilogue`
[INFO] [stderr]   --> compiler/src/go_assembly/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new_goroutine_epilogue() -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `link`
[INFO] [stderr]  --> compiler/src/link/mod.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(super) fn link(go_asm: GoAssembly) {
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]   --> compiler/src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     args: Vec<Arg>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ret_type`
[INFO] [stderr]   --> compiler/src/lib.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ret_type: Typ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `compiler` (lib) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ggvm-04f8e857bfe39391)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ee62f759abe655b4190a23645d6c75485bc12cb77d9703363f76dfc0e683cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee62f759abe655b4190a23645d6c75485bc12cb77d9703363f76dfc0e683cf9", kill_on_drop: false }`
[INFO] [stdout] 2ee62f759abe655b4190a23645d6c75485bc12cb77d9703363f76dfc0e683cf9