[INFO] cloning repository https://github.com/fraserli/fecas [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fraserli/fecas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Ffecas", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Ffecas'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf03a52c0f3d2ccf048358c6f8b05bb9c19c58ac [INFO] checking fraserli/fecas against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffraserli%2Ffecas" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fraserli/fecas on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fraserli/fecas [INFO] finished tweaking git repo https://github.com/fraserli/fecas [INFO] tweaked toml for git repo https://github.com/fraserli/fecas written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fraserli/fecas 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52adf6be9bdad0381e9f99dbc174b8227bb0baedd3b6473bd2e6884998fe53a1 [INFO] running `Command { std: "docker" "start" "-a" "52adf6be9bdad0381e9f99dbc174b8227bb0baedd3b6473bd2e6884998fe53a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52adf6be9bdad0381e9f99dbc174b8227bb0baedd3b6473bd2e6884998fe53a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52adf6be9bdad0381e9f99dbc174b8227bb0baedd3b6473bd2e6884998fe53a1", kill_on_drop: false }` [INFO] [stdout] 52adf6be9bdad0381e9f99dbc174b8227bb0baedd3b6473bd2e6884998fe53a1 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42dc108cd232b1e351ac1a11c3e075ba32a912668d3aeb9b1f5d423b258250a0 [INFO] running `Command { std: "docker" "start" "-a" "42dc108cd232b1e351ac1a11c3e075ba32a912668d3aeb9b1f5d423b258250a0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking fraction v0.11.0 [INFO] [stderr] Checking fecas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(let_chains, once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(let_chains, once_cell)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/parser.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | fn eat(&mut self, ttype: TokenType) -> Result { [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] 50 | fn eat(&mut self, ttype: TokenType) -> Result> { [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:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | fn try_eat(&mut self, ttype: TokenType) -> Option { [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] 68 | fn try_eat(&mut self, ttype: TokenType) -> Option> { [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:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | fn eat(&mut self, ttype: TokenType) -> Result { [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] 50 | fn eat(&mut self, ttype: TokenType) -> Result> { [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:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | fn try_eat(&mut self, ttype: TokenType) -> Option { [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] 68 | fn try_eat(&mut self, ttype: TokenType) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s [INFO] running `Command { std: "docker" "inspect" "42dc108cd232b1e351ac1a11c3e075ba32a912668d3aeb9b1f5d423b258250a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42dc108cd232b1e351ac1a11c3e075ba32a912668d3aeb9b1f5d423b258250a0", kill_on_drop: false }` [INFO] [stdout] 42dc108cd232b1e351ac1a11c3e075ba32a912668d3aeb9b1f5d423b258250a0