[INFO] cloning repository https://github.com/deryilz/basic-hm-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deryilz/basic-hm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderyilz%2Fbasic-hm-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderyilz%2Fbasic-hm-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9435c1b881034fc63b0dd5c0134f43613d383ebb [INFO] checking deryilz/basic-hm-rust against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderyilz%2Fbasic-hm-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/deryilz/basic-hm-rust [INFO] finished tweaking git repo https://github.com/deryilz/basic-hm-rust [INFO] tweaked toml for git repo https://github.com/deryilz/basic-hm-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/deryilz/basic-hm-rust on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/deryilz/basic-hm-rust 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c06e180df32dcb6fb3bc7d12657be5f06ea3474283b752416b00f4c5f2c0ec36 [INFO] running `Command { std: "docker" "start" "-a" "c06e180df32dcb6fb3bc7d12657be5f06ea3474283b752416b00f4c5f2c0ec36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c06e180df32dcb6fb3bc7d12657be5f06ea3474283b752416b00f4c5f2c0ec36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c06e180df32dcb6fb3bc7d12657be5f06ea3474283b752416b00f4c5f2c0ec36", kill_on_drop: false }` [INFO] [stdout] c06e180df32dcb6fb3bc7d12657be5f06ea3474283b752416b00f4c5f2c0ec36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a02e2409c0abf81ee8edef5257e422f1410f45a8f844b2a7a19702268bdcb6a [INFO] running `Command { std: "docker" "start" "-a" "7a02e2409c0abf81ee8edef5257e422f1410f45a8f844b2a7a19702268bdcb6a", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking toy-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | IntLiteral(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 - IntLiteral(i32), [INFO] [stdout] 4 + IntLiteral(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `BoolLiteral` and `Let` are never constructed [INFO] [stdout] --> src/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Node { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 4 | IntLiteral(i32), [INFO] [stdout] 5 | BoolLiteral(bool), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | Let(String, Box, Box), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `bool`, `set`, and `to_string` are never used [INFO] [stdout] --> src/structs.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn bool(b: bool) -> Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn set(name: &str, value: Node, rest: Node) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/structs.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | IntLiteral(i32), [INFO] [stdout] | ---------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 - IntLiteral(i32), [INFO] [stdout] 4 + IntLiteral(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `BoolLiteral` and `Let` are never constructed [INFO] [stdout] --> src/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum Node { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 4 | IntLiteral(i32), [INFO] [stdout] 5 | BoolLiteral(bool), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | Let(String, Box, Box), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `bool`, `set`, and `to_string` are never used [INFO] [stdout] --> src/structs.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn bool(b: bool) -> Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn set(name: &str, value: Node, rest: Node) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "7a02e2409c0abf81ee8edef5257e422f1410f45a8f844b2a7a19702268bdcb6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a02e2409c0abf81ee8edef5257e422f1410f45a8f844b2a7a19702268bdcb6a", kill_on_drop: false }` [INFO] [stdout] 7a02e2409c0abf81ee8edef5257e422f1410f45a8f844b2a7a19702268bdcb6a