[INFO] cloning repository https://github.com/MinkowskiMetric/my_rust_lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinkowskiMetric/my_rust_lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3496e2dde413a430903bee4bf9a8f278877700e9 [INFO] checking MinkowskiMetric/my_rust_lox against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinkowskiMetric%2Fmy_rust_lox" "/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/MinkowskiMetric/my_rust_lox [INFO] finished tweaking git repo https://github.com/MinkowskiMetric/my_rust_lox [INFO] tweaked toml for git repo https://github.com/MinkowskiMetric/my_rust_lox written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MinkowskiMetric/my_rust_lox on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MinkowskiMetric/my_rust_lox 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-width v0.1.9 [INFO] [stderr] Downloaded owned_chars v0.3.2 [INFO] [stderr] Downloaded delegate-attr v0.2.9 [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] [stderr] Downloaded anyhow v1.0.53 [INFO] [stderr] Downloaded libc v0.2.117 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0513650d5904312d9d57cde4c52fa6e7b813b3bfa0ad70619527fd7c3bfe637 [INFO] running `Command { std: "docker" "start" "-a" "a0513650d5904312d9d57cde4c52fa6e7b813b3bfa0ad70619527fd7c3bfe637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0513650d5904312d9d57cde4c52fa6e7b813b3bfa0ad70619527fd7c3bfe637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0513650d5904312d9d57cde4c52fa6e7b813b3bfa0ad70619527fd7c3bfe637", kill_on_drop: false }` [INFO] [stdout] a0513650d5904312d9d57cde4c52fa6e7b813b3bfa0ad70619527fd7c3bfe637 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf8c2e5aed03d9851626581061a535ab08e6136997096ad6f406f1fbba80c931 [INFO] running `Command { std: "docker" "start" "-a" "bf8c2e5aed03d9851626581061a535ab08e6136997096ad6f406f1fbba80c931", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling delegate-attr v0.2.9 [INFO] [stderr] Checking owned_chars v0.3.2 [INFO] [stderr] Checking my-rox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lexer/tokenizer.rs:337:30 [INFO] [stdout] | [INFO] [stdout] 337 | Ok(TokenReader::new(code.into_chars(), Rc::new(path.into()), 1)) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `into_chars(...)` to keep using the current method [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars` [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(string_into_chars)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lexer/tokenizer.rs:337:30 [INFO] [stdout] | [INFO] [stdout] 337 | Ok(TokenReader::new(code.into_chars(), Rc::new(path.into()), 1)) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: call with fully qualified syntax `into_chars(...)` to keep using the current method [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `String::into_chars` [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(string_into_chars)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.02s [INFO] running `Command { std: "docker" "inspect" "bf8c2e5aed03d9851626581061a535ab08e6136997096ad6f406f1fbba80c931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf8c2e5aed03d9851626581061a535ab08e6136997096ad6f406f1fbba80c931", kill_on_drop: false }` [INFO] [stdout] bf8c2e5aed03d9851626581061a535ab08e6136997096ad6f406f1fbba80c931