[INFO] fetching crate sabi 0.1.0... [INFO] checking sabi-0.1.0 against beta for pr-78714 [INFO] extracting crate sabi 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate sabi 0.1.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate sabi 0.1.0 [INFO] finished tweaking crates.io crate sabi 0.1.0 [INFO] tweaked toml for crates.io crate sabi 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f768cad5d7ad9dcc200130adb2f275a1bf42d8a08f70262462a3c6e51c939e8d [INFO] running `Command { std: "docker" "start" "-a" "f768cad5d7ad9dcc200130adb2f275a1bf42d8a08f70262462a3c6e51c939e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f768cad5d7ad9dcc200130adb2f275a1bf42d8a08f70262462a3c6e51c939e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f768cad5d7ad9dcc200130adb2f275a1bf42d8a08f70262462a3c6e51c939e8d", kill_on_drop: false }` [INFO] [stdout] f768cad5d7ad9dcc200130adb2f275a1bf42d8a08f70262462a3c6e51c939e8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c137713952614253b055621017125ee1631741a6543a983b432e0893e4e1a35e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c137713952614253b055621017125ee1631741a6543a983b432e0893e4e1a35e", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking sabi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Stream`, `many1`, `many`, `one_of` [INFO] [stdout] --> src/parser/bytecode.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | choice, eof, many, many1, one_of, optional, r#try, token, ParseError, Parser, [INFO] [stdout] | ^^^^ ^^^^^ ^^^^^^ [INFO] [stdout] 4 | RangeStream, Stream, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | output: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm.rs:114:28 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn new(output: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:3:49 [INFO] [stdout] | [INFO] [stdout] 3 | choice, eof, many, many1, one_of, optional, r#try, token, ParseError, Parser, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | label: optional(r#try(word().skip(single(':')))), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:52:23 [INFO] [stdout] | [INFO] [stdout] 52 | arg: optional(r#try(argument)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stream`, `many1`, `many`, `one_of` [INFO] [stdout] --> src/parser/bytecode.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | choice, eof, many, many1, one_of, optional, r#try, token, ParseError, Parser, [INFO] [stdout] | ^^^^ ^^^^^ ^^^^^^ [INFO] [stdout] 4 | RangeStream, Stream, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | output: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vm.rs:114:28 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn new(output: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:3:49 [INFO] [stdout] | [INFO] [stdout] 3 | choice, eof, many, many1, one_of, optional, r#try, token, ParseError, Parser, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | label: optional(r#try(word().skip(single(':')))), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `combine::r#try`: try is a reserved keyword in Rust 2018. Use attempt instead. [INFO] [stdout] --> src/parser/bytecode.rs:52:23 [INFO] [stdout] | [INFO] [stdout] 52 | arg: optional(r#try(argument)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser/bytecode.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn new(label: Option<&'a str>, instr: &'a str, arg: Option>) -> 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: `peek` [INFO] [stdout] --> src/vm.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn peek(&self) -> isize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | writeln!(f, "code:"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | write!(f, "{:04x}: {:?}", i, op); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | write!(f, " {:?}", num); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | write!(f, " <"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | writeln!(f, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | writeln!(f, "code_ptr: {:04x}", self.code_ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:292:17 [INFO] [stdout] | [INFO] [stdout] 292 | writeln!(self.output, "{}", val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/vm.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn peek(&self) -> isize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | writeln!(f, "code:"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | write!(f, "{:04x}: {:?}", i, op); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | write!(f, " {:?}", num); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | write!(f, " <"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | writeln!(f, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | writeln!(f, "code_ptr: {:04x}", self.code_ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:292:17 [INFO] [stdout] | [INFO] [stdout] 292 | writeln!(self.output, "{}", val); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:347:21 [INFO] [stdout] | [INFO] [stdout] 347 | io::stdin().read_line(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.55s [INFO] running `Command { std: "docker" "inspect" "c137713952614253b055621017125ee1631741a6543a983b432e0893e4e1a35e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c137713952614253b055621017125ee1631741a6543a983b432e0893e4e1a35e", kill_on_drop: false }` [INFO] [stdout] c137713952614253b055621017125ee1631741a6543a983b432e0893e4e1a35e