[INFO] cloning repository https://github.com/cannero/monkey_interpreter_compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cannero/monkey_interpreter_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cdae8be83281df0607fbaa79ab73ce86f6066d4f [INFO] checking cannero/monkey_interpreter_compiler against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcannero%2Fmonkey_interpreter_compiler" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cannero/monkey_interpreter_compiler [INFO] finished tweaking git repo https://github.com/cannero/monkey_interpreter_compiler [INFO] tweaked toml for git repo https://github.com/cannero/monkey_interpreter_compiler written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cannero/monkey_interpreter_compiler on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cannero/monkey_interpreter_compiler 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4acf0ab88edc17cb045ebd842484644547b3a2adf8f0c2aa7fccb641e1df8f6 [INFO] running `Command { std: "docker" "start" "-a" "e4acf0ab88edc17cb045ebd842484644547b3a2adf8f0c2aa7fccb641e1df8f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4acf0ab88edc17cb045ebd842484644547b3a2adf8f0c2aa7fccb641e1df8f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4acf0ab88edc17cb045ebd842484644547b3a2adf8f0c2aa7fccb641e1df8f6", kill_on_drop: false }` [INFO] [stdout] e4acf0ab88edc17cb045ebd842484644547b3a2adf8f0c2aa7fccb641e1df8f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fce06c57cf3d880ba776fbc2316880c9c9569abf58653ff1d3eba30bb020251 [INFO] running `Command { std: "docker" "start" "-a" "4fce06c57cf3d880ba776fbc2316880c9c9569abf58653ff1d3eba30bb020251", kill_on_drop: false }` [INFO] [stderr] Checking libinterpreter v0.1.0 (/opt/rustwide/workdir/libinterpreter) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> libinterpreter/src/lexer.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &str) -> Lexer { [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] 15 | pub fn new(input: &str) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking repl v0.1.0 (/opt/rustwide/workdir/repl) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> libinterpreter/src/lexer.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(input: &str) -> Lexer { [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] 15 | pub fn new(input: &str) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> libinterpreter/src/parser.rs:544:45 [INFO] [stdout] | [INFO] [stdout] 544 | assert!(parser.errors().len() == 2, parser.errors().join(";")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 544 | assert!(parser.errors().len() == 2, "{}", parser.errors().join(";")); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "4fce06c57cf3d880ba776fbc2316880c9c9569abf58653ff1d3eba30bb020251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fce06c57cf3d880ba776fbc2316880c9c9569abf58653ff1d3eba30bb020251", kill_on_drop: false }` [INFO] [stdout] 4fce06c57cf3d880ba776fbc2316880c9c9569abf58653ff1d3eba30bb020251