[INFO] cloning repository https://github.com/kondziu/FML [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kondziu/FML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkondziu%2FFML", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkondziu%2FFML'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50869fbdab646a4cc5cecd0c45a83b0502dbeba6 [INFO] checking kondziu/FML against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkondziu%2FFML" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kondziu/FML [INFO] finished tweaking git repo https://github.com/kondziu/FML [INFO] tweaked toml for git repo https://github.com/kondziu/FML written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kondziu/FML on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kondziu/FML 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ff680a4405e9bb866919b06f922a62cf01d6c4b8da4c869274cf351ab4b1a48 [INFO] running `Command { std: "docker" "start" "-a" "6ff680a4405e9bb866919b06f922a62cf01d6c4b8da4c869274cf351ab4b1a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ff680a4405e9bb866919b06f922a62cf01d6c4b8da4c869274cf351ab4b1a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ff680a4405e9bb866919b06f922a62cf01d6c4b8da4c869274cf351ab4b1a48", kill_on_drop: false }` [INFO] [stdout] 6ff680a4405e9bb866919b06f922a62cf01d6c4b8da4c869274cf351ab4b1a48 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b7d03de4363e9bd60d5ecde095331539a632702b68574eb2f4900e13946cfb7 [INFO] running `Command { std: "docker" "start" "-a" "4b7d03de4363e9bd60d5ecde095331539a632702b68574eb2f4900e13946cfb7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling thread_local v1.1.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling lexpr-macros v0.2.1 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking lexpr v0.2.6 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Checking lalrpop-util v0.18.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking serde-lexpr v0.1.2 [INFO] [stderr] Checking serde_yaml v0.8.16 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.18.1 [INFO] [stderr] Compiling fml v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `compile` is never used [INFO] [stdout] --> src/bytecode/compiler.rs:227:8 [INFO] [stdout] | [INFO] [stdout] 225 | pub trait Compiled { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 226 | fn compile_into(&self, program: &mut ProgramGenerator, active_buffer: &mut Code, global_environment:... [INFO] [stdout] 227 | fn compile(&self, global_environment: &mut Environment, current_frame: &mut Frame) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `PrettyPrint` is never used [INFO] [stdout] --> src/bytecode/debug.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait PrettyPrint: UglyPrint { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `PrettyPrintWithContext` is never used [INFO] [stdout] --> src/bytecode/debug.rs:22:11 [INFO] [stdout] | [INFO] [stdout] 22 | pub trait PrettyPrintWithContext: UglyPrintWithContext { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `UglyPrint` is never used [INFO] [stdout] --> src/bytecode/debug.rs:46:11 [INFO] [stdout] | [INFO] [stdout] 46 | pub trait UglyPrint { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `UglyPrintWithContext` is never used [INFO] [stdout] --> src/bytecode/debug.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | pub trait UglyPrintWithContext { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/bytecode/program.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 129 | impl ConstantPool { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 157 | pub fn iter(&self) -> impl Iterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/bytecode/program.rs:860:34 [INFO] [stdout] | [INFO] [stdout] 860 | impl Size { pub fn value(&self) -> u16 { self.0 } } [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | method in this implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/bytecode/program.rs:861:34 [INFO] [stdout] | [INFO] [stdout] 861 | impl Arity { pub fn value(&self) -> u8 { self.0 } } [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | method in this implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value_u32` is never used [INFO] [stdout] --> src/bytecode/program.rs:872:12 [INFO] [stdout] | [INFO] [stdout] 863 | impl Address { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 872 | pub fn value_u32(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Pairable` is never used [INFO] [stdout] --> src/bytecode/helpers.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Pairable where T: Copy + Default { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PairIterator` is never constructed [INFO] [stdout] --> src/bytecode/helpers.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct PairIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MapResult` is never used [INFO] [stdout] --> src/bytecode/helpers.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | pub trait MapResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bytecode/heap.rs:180:53 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn iter<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | -- ^^^^^^^^ -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 180 | pub fn iter<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pretty_print_no_first_line_indent` is never used [INFO] [stdout] --> src/bytecode/debug.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait PrettyPrint: UglyPrint { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn pretty_print_no_first_line_indent(&self, sink: &mut W, indent: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pretty_print`, `pretty_print_indent`, and `pretty_print_no_indent` are never used [INFO] [stdout] --> src/bytecode/debug.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub trait PrettyPrintWithContext: UglyPrintWithContext { [INFO] [stdout] | ---------------------- methods in this trait [INFO] [stdout] 23 | fn pretty_print(&self, sink: &mut W, code: &Code) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn pretty_print_indent(&self, sink: &mut W, code: &Code, indent: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn pretty_print_no_indent(&self, sink: &mut W, code: &Code) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Pairable` is never used [INFO] [stdout] --> src/bytecode/helpers.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Pairable where T: Copy + Default { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PairIterator` is never constructed [INFO] [stdout] --> src/bytecode/helpers.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct PairIterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MapResult` is never used [INFO] [stdout] --> src/bytecode/helpers.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | pub trait MapResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/bytecode/heap.rs:180:53 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn iter<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | -- ^^^^^^^^ -- the same lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 180 | pub fn iter<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.69s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9` [INFO] running `Command { std: "docker" "inspect" "4b7d03de4363e9bd60d5ecde095331539a632702b68574eb2f4900e13946cfb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b7d03de4363e9bd60d5ecde095331539a632702b68574eb2f4900e13946cfb7", kill_on_drop: false }` [INFO] [stdout] 4b7d03de4363e9bd60d5ecde095331539a632702b68574eb2f4900e13946cfb7