[INFO] cloning repository https://github.com/dlurton/compiler_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlurton/compiler_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca3ad9ebc249ad43f0b067f7a4562788e0024ee1 [INFO] checking dlurton/compiler_in_rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlurton%2Fcompiler_in_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dlurton/compiler_in_rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dlurton/compiler_in_rust [INFO] finished tweaking git repo https://github.com/dlurton/compiler_in_rust [INFO] tweaked toml for git repo https://github.com/dlurton/compiler_in_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dlurton/compiler_in_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 665a10573727ab7e484312b3f6803ce0e8d017a4b8c516c09fbe28ac1dd0a6de [INFO] running `Command { std: "docker" "start" "-a" "665a10573727ab7e484312b3f6803ce0e8d017a4b8c516c09fbe28ac1dd0a6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "665a10573727ab7e484312b3f6803ce0e8d017a4b8c516c09fbe28ac1dd0a6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "665a10573727ab7e484312b3f6803ce0e8d017a4b8c516c09fbe28ac1dd0a6de", kill_on_drop: false }` [INFO] [stdout] 665a10573727ab7e484312b3f6803ce0e8d017a4b8c516c09fbe28ac1dd0a6de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c27e70c5670eeac8b2c47943165bfe1a0e0c9e6feac4caf1f6453dedc5e09d8b [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" "c27e70c5670eeac8b2c47943165bfe1a0e0c9e6feac4caf1f6453dedc5e09d8b", kill_on_drop: false }` [INFO] [stderr] Checking compiler_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/passes/mod.rs:33:69 [INFO] [stdout] | [INFO] [stdout] 33 | ...d>(expr: &Expr, node_handler: &Fn(&Expr) -> Option>>) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Expr) -> Option>>` [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/passes/mod.rs:33:69 [INFO] [stdout] | [INFO] [stdout] 33 | ...d>(expr: &Expr, node_handler: &Fn(&Expr) -> Option>>) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Expr) -> Option>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains unused formatting placeholders [INFO] [stdout] --> src/env.rs:52:105 [INFO] [stdout] | [INFO] [stdout] 52 | ... Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("Index {:?} referenced by name '{:?} was inval... [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing arguments [INFO] [stdout] | [INFO] [stdout] 52 | Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("Index {:?} referenced by name '{:?} was invalid", ...))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 52 | Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("{}", "Index {:?} referenced by name '{:?} was invalid"))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains unused formatting placeholders [INFO] [stdout] --> src/env.rs:52:105 [INFO] [stdout] | [INFO] [stdout] 52 | ... Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("Index {:?} referenced by name '{:?} was inval... [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing arguments [INFO] [stdout] | [INFO] [stdout] 52 | Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("Index {:?} referenced by name '{:?} was invalid", ...))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 52 | Some(field) => Some(self.values.get(field.ordinal as usize).unwrap_or_else(|| panic!("{}", "Index {:?} referenced by name '{:?} was invalid"))) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "c27e70c5670eeac8b2c47943165bfe1a0e0c9e6feac4caf1f6453dedc5e09d8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c27e70c5670eeac8b2c47943165bfe1a0e0c9e6feac4caf1f6453dedc5e09d8b", kill_on_drop: false }` [INFO] [stdout] c27e70c5670eeac8b2c47943165bfe1a0e0c9e6feac4caf1f6453dedc5e09d8b