[INFO] cloning repository https://github.com/todesking/lisp.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/todesking/lisp.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftodesking%2Flisp.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftodesking%2Flisp.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ddd3a170082ae306fc608ed0811ec3ba4249eb9 [INFO] checking todesking/lisp.rs against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftodesking%2Flisp.rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/todesking/lisp.rs [INFO] finished tweaking git repo https://github.com/todesking/lisp.rs [INFO] tweaked toml for git repo https://github.com/todesking/lisp.rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/todesking/lisp.rs on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/todesking/lisp.rs 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 188ea8cf944fd5858c722f81552fd18fb92e8d7941d0420a3bde57b79d385956 [INFO] running `Command { std: "docker" "start" "-a" "188ea8cf944fd5858c722f81552fd18fb92e8d7941d0420a3bde57b79d385956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "188ea8cf944fd5858c722f81552fd18fb92e8d7941d0420a3bde57b79d385956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "188ea8cf944fd5858c722f81552fd18fb92e8d7941d0420a3bde57b79d385956", kill_on_drop: false }` [INFO] [stdout] 188ea8cf944fd5858c722f81552fd18fb92e8d7941d0420a3bde57b79d385956 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ebc8924c4a0a2a0dfc2b5d2bda93b076843f5bb7afd9761f21e6e56a9e48d3b [INFO] running `Command { std: "docker" "start" "-a" "3ebc8924c4a0a2a0dfc2b5d2bda93b076843f5bb7afd9761f21e6e56a9e48d3b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.59 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.2.0 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Checking lisprs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/global_env.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/value.rs:474:26 [INFO] [stdout] | [INFO] [stdout] 474 | for r in rest_name { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 474 - for r in rest_name { [INFO] [stdout] 474 + while let Some(r) = rest_name { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 474 - for r in rest_name { [INFO] [stdout] 474 + if let Some(r) = rest_name { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/value.rs:490:26 [INFO] [stdout] | [INFO] [stdout] 490 | for r in &lambda_def.rest_name { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 490 - for r in &lambda_def.rest_name { [INFO] [stdout] 490 + while let Some(r) = &lambda_def.rest_name { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 490 - for r in &lambda_def.rest_name { [INFO] [stdout] 490 + if let Some(r) = &lambda_def.rest_name { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/global_env.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read_only(&self) -> ReadOnly { [INFO] [stdout] | ^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read_only(&self) -> ReadOnly<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | fn parse_str(s: &str) -> ParseResult { [INFO] [stdout] | ^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 147 | fn parse_str(s: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:186:17 [INFO] [stdout] | [INFO] [stdout] 186 | fn parse_num(s: &str) -> ParseResult { [INFO] [stdout] | ^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 186 | fn parse_num(s: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/static_env.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(global: &GlobalEnv) -> StaticEnv { [INFO] [stdout] | ^^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(global: &GlobalEnv) -> StaticEnv<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/static_env.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | global: &GlobalEnv, [INFO] [stdout] | ^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | current_module: Option, [INFO] [stdout] 52 | ) -> StaticEnv { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> StaticEnv<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/global_env.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/value.rs:474:26 [INFO] [stdout] | [INFO] [stdout] 474 | for r in rest_name { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 474 - for r in rest_name { [INFO] [stdout] 474 + while let Some(r) = rest_name { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 474 - for r in rest_name { [INFO] [stdout] 474 + if let Some(r) = rest_name { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/value.rs:490:26 [INFO] [stdout] | [INFO] [stdout] 490 | for r in &lambda_def.rest_name { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 490 - for r in &lambda_def.rest_name { [INFO] [stdout] 490 + while let Some(r) = &lambda_def.rest_name { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 490 - for r in &lambda_def.rest_name { [INFO] [stdout] 490 + if let Some(r) = &lambda_def.rest_name { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/global_env.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read_only(&self) -> ReadOnly { [INFO] [stdout] | ^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read_only(&self) -> ReadOnly<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | fn parse_str(s: &str) -> ParseResult { [INFO] [stdout] | ^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 147 | fn parse_str(s: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:186:17 [INFO] [stdout] | [INFO] [stdout] 186 | fn parse_num(s: &str) -> ParseResult { [INFO] [stdout] | ^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 186 | fn parse_num(s: &str) -> ParseResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/static_env.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(global: &GlobalEnv) -> StaticEnv { [INFO] [stdout] | ^^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(global: &GlobalEnv) -> StaticEnv<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/static_env.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | global: &GlobalEnv, [INFO] [stdout] | ^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | current_module: Option, [INFO] [stdout] 52 | ) -> StaticEnv { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> StaticEnv<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "3ebc8924c4a0a2a0dfc2b5d2bda93b076843f5bb7afd9761f21e6e56a9e48d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ebc8924c4a0a2a0dfc2b5d2bda93b076843f5bb7afd9761f21e6e56a9e48d3b", kill_on_drop: false }` [INFO] [stdout] 3ebc8924c4a0a2a0dfc2b5d2bda93b076843f5bb7afd9761f21e6e56a9e48d3b